Delivered-To: tjphuhs@gmail.com Received: by 2002:a5d:649e:0:b0:439:fcfb:30e with SMTP id o30csp2461190wri; Wed, 8 Apr 2026 12:54:11 -0700 (PDT) X-Received: by 2002:a05:620a:2905:b0:8d7:a2b3:3aa3 with SMTP id af79cd13be357-8d7a2b33c2cmr1971463985a.60.1775678051568; Wed, 08 Apr 2026 12:54:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1775678051; cv=none; d=google.com; s=arc-20240605; b=iKATkfxxXvj7MB1TWwovCQN0iAxUPU3sTe9IdcO9s3x+51huWRWwEcmVUPIMGfTzf5 2J8Sjo/fQwpni2tBoREda1cePm0MpjAgET3LfAACDFzfZ2HSoYaPd6OLgiFYhHLmhNw3 u+k5rOscaCmTmyF/V2R9pclYDPccsm+D7K1KsvW/XrFSCw04PlMEDFnJPxGdAMxnTpC/ TR21gTbwy8RSkAxD2xiinCLESwX1JUC+ucqodxKhP9VUz7pOzD4Y/hlulySwcjAVMgFt uRxN6+9YMIWolUBI0D90LKVKk0VdGrzBLMUHeQCrsXKpCmFuY1GTJ5HbNYSk6J8+iSmt fovA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=list-unsubscribe-post:list-unsubscribe:list-post:list-id :list-archive:list-url:list-owner:reply-to:in-reply-to:references :sender:feedback-id:date:message-id:to:from:subject:mime-version :dkim-signature:dkim-signature; bh=AJ6x/+5fm1AuMORBugP+28Cd+obUzSq1pBXijkRI+Z4=; fh=9zP21OW67FFZD2VV42mGudo540Qp4aalMWxJB5kMYug=; b=EhS6XLiam0pityWxvtSNhzjIdytS5Cyz8UoI1S4HbrUNqVOhcKAF+wVN7wXacB67nf reqSNTxNdXzYEn6HcLlSFPjbp54i3kVnn/kh7OF+eZYiQhONNg4vvRqRo4L+zBo8u7Sx CRFOmh0TRMkgIKxlEJ3DQjzl7x17sm+n/7cxKV4RPdaAF/k+j8G1n8KbxaBcAim7X0K9 0lyCBEqh5T59c5ZHjPS59Kcemx+5H9xa7IpQcaafzll8hcsp+PRe2KwC3LaRsSqTJ170 9TlHOem/NVQkCGc4DkqTcWpuvosciEY7HSv/tDymVNjfj8khptGpF4vqXdL0qWMGgEK/ 7nug==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@mg-d1.substack.com header.s=k1 header.b=AbatM8Ma; dkim=pass header.i=@mailgun.org header.s=mg header.b=rplhnROr; spf=pass (google.com: domain of bounce+30b528.39b08c6-tjphuhs=gmail.com@mg-d1.substack.com designates 159.112.244.53 as permitted sender) smtp.mailfrom="bounce+30b528.39b08c6-tjphuhs=gmail.com@mg-d1.substack.com"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=substack.com Return-Path: Received: from v553.v5375b7fa.use4.send.mailgun.net (v553.v5375b7fa.use4.send.mailgun.net. [159.112.244.53]) by mx.google.com with UTF8SMTPS id af79cd13be357-8d2a94fc897si2232586185a.371.2026.04.08.12.54.11 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 08 Apr 2026 12:54:11 -0700 (PDT) Received-SPF: pass (google.com: domain of bounce+30b528.39b08c6-tjphuhs=gmail.com@mg-d1.substack.com designates 159.112.244.53 as permitted sender) client-ip=159.112.244.53; Authentication-Results: mx.google.com; dkim=pass header.i=@mg-d1.substack.com header.s=k1 header.b=AbatM8Ma; dkim=pass header.i=@mailgun.org header.s=mg header.b=rplhnROr; spf=pass (google.com: domain of bounce+30b528.39b08c6-tjphuhs=gmail.com@mg-d1.substack.com designates 159.112.244.53 as permitted sender) smtp.mailfrom="bounce+30b528.39b08c6-tjphuhs=gmail.com@mg-d1.substack.com"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=substack.com DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg-d1.substack.com; q=dns/txt; s=k1; t=1775678051; x=1775685251; h=List-Unsubscribe-Post: List-Unsubscribe: List-Post: List-Id: List-Archive: List-Owner: Reply-To: In-Reply-To: References: Sender: Sender: Date: Message-Id: To: To: From: From: Subject: Subject: Content-Type: Mime-Version: X-Feedback-Id; bh=AJ6x/+5fm1AuMORBugP+28Cd+obUzSq1pBXijkRI+Z4=; b=AbatM8Ma7VCm/lh9NBETi/8WZe9qNeiJd4LGaCSCmZeQDAsIkUWcgsg2YMOInzGyNIOjqr1iaJA/zz1ixgL31OMX3b9E657qQISRsJ5ZD16bz3rtJvGqX0xzqO0m2KMxVjmChPpd1Hc+8jEjG/vnM7L9nieV+H8pbt3UbRtVc74= DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mailgun.org; q=dns/txt; s=mg; t=1775678051; x=1775685251; h=List-Unsubscribe-Post: List-Unsubscribe: List-Post: List-Id: List-Archive: List-Owner: Reply-To: In-Reply-To: References: Sender: Sender: Date: Message-Id: To: To: From: From: Subject: Subject: Content-Type: Mime-Version: X-Feedback-Id; bh=AJ6x/+5fm1AuMORBugP+28Cd+obUzSq1pBXijkRI+Z4=; b=rplhnROrApV0t49QI13mspDCpvju5DL/lWWtI92S9oDGoGG/16XyiM94PFe5rDoPqgRVvGu6+I2rFj8jiuO+VF45CAHRuNtQ6R6TCWM/2haV2fokoUtwjoACTFwt3/bsrYsEagX2ik4Drf0zxeG/Axlp1dKHvRfxow0JAG/l69c= X-Mailgun-Sid: WyIxMWU0ZSIsInRqcGh1aHNAZ21haWwuY29tIiwiMzliMDhjNiJd X-Feedback-Id: postmaster@mg-d1.substack.com:post:614a1297c57bbbe25fa40e08:mailgun Received: by 9c93b0d258cec83b84c18c407e9fbd2b3a47b252955fd3ebb60af13587bf737f with HTTP id 69d6b263b35d0202af3fa413; Wed, 08 Apr 2026 19:54:11 GMT X-Mailgun-Sending-Ip: 159.112.244.53 Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="0a57aac37691146febd2c400853e85ab6377f6f0bd999e8f1538d0ccb366" Subject: Adamax & Adalank: Two Upgrades, Two Very Different Reasons From: Derek from Peptide Price To: tjphuhs@gmail.com X-Mailgun-Tag: post X-Mailgun-Track-Clicks: false Message-Id: <20260408195402.3.4ee016e0034f6982@mg-d1.substack.com> Date: Wed, 8 Apr 2026 19:54:02 +0000 Feedback-Id: post-193615294:cat-post:pub-3365367:substack Sender: Derek from Peptide Price References: In-Reply-To: Reply-To: Derek from Peptide Price List-Owner: List-Url: List-Archive: List-Id: List-Post: List-Unsubscribe: List-Unsubscribe-Post: List-Unsubscribe=One-Click X-Mailgun-Variables: {"category": "post", "email_generated_at": "1775678050938", "is_freemail": "true", "post_audience": "everyone", "post_id": "193615294", "post_type": "newsletter", "pub_community_enabled": "true", "publication_id": "3365367", "subdomain": "derekpruski", "user_id": "273622398"} --0a57aac37691146febd2c400853e85ab6377f6f0bd999e8f1538d0ccb366 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable View this post on the web at https://derekpruski.substack.com/p/adamax-and-= adalank-two-upgrades-two For research purposes only. Not for human consumption. Adamax and Adalank are often mentioned in the same breath because they=E2= =80=99re both =E2=80=9Cnext-gen=E2=80=9D derivatives =E2=80=94 one built fr= om Semax, one from Selank. But the way each was upgraded is completely diff= erent, and that difference matters for understanding what each one actually= does in research. Adamax is a structural shift. Adalank is a durability improvement. Those ar= e not the same thing. Adalank First =E2=80=94 Because It=E2=80=99s the Simpler Case Adalank is the N-Acetyl Amidate form of Selank. The modifications made to i= t =E2=80=94 an acetyl group on one end, an amidate group on the other =E2= =80=94 are purely about stability. They protect the peptide from enzymatic = degradation, extending how long it remains active before being cleared. Standard Selank has a very short half-life =E2=80=94 meaning it gets broken= down and cleared from circulation rapidly, limiting how long it can engage= its target pathways. Adalank=E2=80=99s structural modifications address th= is directly, without changing anything about the mechanism itself. Same rec= eptor targets, same effect profile =E2=80=94 longer active duration. So when looking at Adalank=E2=80=99s research profile, you=E2=80=99re looki= ng at Selank=E2=80=99s research profile delivered more consistently: Anxiety reduction without sedation or dependence =E2=80=94 through modulati= on of GABA-A receptors (GABA is the brain=E2=80=99s primary calming neurotr= ansmitter; modulation here means influencing how those receptors respond ra= ther than directly activating them), producing anxiolytic effects comparabl= e to benzodiazepines in clinical research without the associated side effec= t burden Stress hormone regulation =E2=80=94 normalization of cortisol under psychol= ogical stress conditions, modulating the HPA axis (the hormonal communicati= on loop between the brain and adrenal glands that governs the stress respon= se) rather than suppressing it entirely Mood stabilization =E2=80=94 serotonin system modulation producing a steadi= er emotional baseline without blunting or euphoria BDNF upregulation =E2=80=94 rapid elevation of Brain-Derived Neurotrophic F= actor (a protein that acts as a growth and maintenance signal for neurons) = in the hippocampus, supporting neuronal survival, synaptic connectivity (th= e strength of connections between brain cells), and cognitive adaptability Enkephalin preservation =E2=80=94 inhibition of the enzymes that break down= enkephalins (naturally occurring peptides the brain produces to regulate m= ood and stress), extending their active window Immune system support =E2=80=94 retained from Selank=E2=80=99s origins as a= tuftsin analog (tuftsin is a naturally occurring immune peptide), includin= g cytokine regulation (cytokines are signaling proteins that coordinate imm= une responses) and broader immune system modulation The upgrade Adalank represents is pharmacokinetic =E2=80=94 meaning it chan= ges how the compound is handled and how long it remains active in circulati= on, not what it does once it reaches its target. Adamax =E2=80=94 A Different Kind of Upgrade Entirely Adamax starts from the Semax backbone, but the addition of an adamantane gr= oup at the C-terminus (the tail end of the peptide chain) doesn=E2=80=99t o= nly improve how the compound is handled in circulation =E2=80=94 it shifts = the receptor activity profile. This is the critical distinction from Adalan= k. Adalank arrives at the same destination as Selank, just more reliably. Adam= ax arrives somewhere Semax doesn=E2=80=99t fully go. The shift is toward the dopaminergic system =E2=80=94 the pathway most asso= ciated with motivation, drive, and goal-directed behavior. Semax influences= dopamine as part of a broader, more balanced cognitive profile. Adamax res= earch points more specifically toward that dopaminergic signal, and the pat= tern in community research reflects it =E2=80=94 the most consistent observ= ations are motivational and task-oriented rather than the calm, broad cogni= tive support Semax is known for. What that translates to in research: Motivation and task initiation =E2=80=94 increased goal-directed behavior i= n research subjects, characterized as purposeful drive rather than stimulan= t-like activation Sustained attention =E2=80=94 through concurrent dopaminergic and cholinerg= ic pathway engagement (acetylcholine is the neurotransmitter most tied to a= ttention and information processing), supporting demanding cognitive work o= ver extended periods Hippocampal neurogenesis =E2=80=94 research interest in new neuron generati= on in the hippocampus, the region most central to learning and memory conso= lidation; a structural benefit that accumulates over a research cycle rathe= r than producing immediate acute effects Neuroprotection =E2=80=94 antioxidant and anti-inflammatory activity in neu= ral tissue, inherited from the Semax lineage Enhanced CNS penetration =E2=80=94 the adamantane modification increases fa= t-solubility (lipophilicity), which matters because the blood-brain barrier= =E2=80=94 the selective filter between the bloodstream and the brain =E2= =80=94 allows fat-soluble compounds to pass through more readily; more of t= he compound reaches the brain, at higher concentrations, compared to standa= rd Semax variants; resistance to enzymatic breakdown is also substantially = improved The upgrade Adamax represents is pharmacodynamic =E2=80=94 meaning the stru= ctural change alters what the compound actually does at the receptor level,= not only how it is handled in circulation. Why the Distinction Matters Adalank is Selank with an extended half-life. Researchers familiar with Sel= ank=E2=80=99s profile should find Adalank=E2=80=99s effects recognizable = =E2=80=94 the difference is duration and consistency of coverage, not chara= cter. Adamax is not Semax with an extended half-life. It is a compound with a mea= ningfully different emphasis =E2=80=94 more dopaminergic, more motivational= , and less broadly cognitive than Semax. Researchers approaching Adamax exp= ecting a familiar Semax experience, just longer-lasting, will find the prof= ile is distinct. That difference is also what makes the two compounds complementary in resea= rch. Adamax engages the motivation and drive pathway. Adalank modulates the= stress and anxiety response. They address different systems, which is exac= tly why the combination produces an effect profile neither achieves indepen= dently =E2=80=94 driven and goal-oriented, without the anxiety or edge that= dopaminergic activation can sometimes bring on its own. All information in this post is for educational and research purposes only.= These compounds are not approved for human consumption. Always consult a q= ualified healthcare professional. Unsubscribe https://substack.com/redirect/2/eyJlIjoiaHR0cHM6Ly9kZXJla3BydXN= raS5zdWJzdGFjay5jb20vYWN0aW9uL2Rpc2FibGVfZW1haWw_dG9rZW49ZXlKMWMyVnlYMmxrSW= pveU56TTJNakl6T1Rnc0luQnZjM1JmYVdRaU9qRTVNell4TlRJNU5Dd2lhV0YwSWpveE56YzFOa= mM0TURVd0xDSmxlSEFpT2pFNE1EY3lNVFF3TlRBc0ltbHpjeUk2SW5CMVlpMHpNelkxTXpZM0lp= d2ljM1ZpSWpvaVpHbHpZV0pzWlY5bGJXRnBiQ0o5LmV1akV5TlN0endpdmJtM2hMZ19oYTVvdVd= uZGNRWEkwbjZmb3RQMFVkWFEiLCJwIjoxOTM2MTUyOTQsInMiOjMzNjUzNjcsImYiOnRydWUsIn= UiOjI3MzYyMjM5OCwiaWF0IjoxNzc1Njc4MDUwLCJleHAiOjIwOTEyNTQwNTAsImlzcyI6InB1Y= i0wIiwic3ViIjoibGluay1yZWRpcmVjdCJ9.dIj-4nNbs50rPjHjmyCuCIHbZlrGZB8974H8Rp0= d1Cw? --0a57aac37691146febd2c400853e85ab6377f6f0bd999e8f1538d0ccb366 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable = Adamax & Adalank: Two Upgrades, Two Very Different Reasons @media (max-width: 1024px) { .typography .pullquote-align-left, .typography.editor .pullquote-align-left, .typography .pullquote-align-right, .typography.editor .pullquote-align-right, .typography .pullquote-align-wide, .typography.editor .pullquote-align-wide, .typography .pullquote-align-center, .typography.editor .pullquote-align-center { float: none; margin: 0 auto; width: 100%; max-width: 100%; } } @media all and (-ms-high-contrast: none), (-ms-high-contrast: active) { .typography .markup table.image-wrapper img, .typography.editor .markup table.image-wrapper img, .typography .markup table.kindle-wrapper img, .typography.editor .markup table.kindle-wrapper img { max-width: 550px; } } @media (min-width: 1024px) { .typography:not(:has(#toc)) .captioned-image-container figure:has(> a.ima= ge2-offset-left), .typography.editor:not(:has(#toc)) .captioned-image-container figure:has(= > a.image2-offset-left) { margin-left: var(--image-offset-margin); } .typography:not(:has(#toc)) .captioned-image-container figure:has(> a.ima= ge2-offset-right), .typography.editor:not(:has(#toc)) .captioned-image-container figure:has(= > a.image2-offset-right) { margin-right: var(--image-offset-margin); } } @media (min-width: 1300px) { .typography .captioned-image-container figure:has(> a.image2-offset-left)= , .typography.editor .captioned-image-container figure:has(> a.image2-offse= t-left) { margin-left: var(--image-offset-margin); } .typography .captioned-image-container figure:has(> a.image2-offset-right= ), .typography.editor .captioned-image-container figure:has(> a.image2-offse= t-right) { margin-right: var(--image-offset-margin); } } @media (max-width: 1024px) { .typography, .typography.editor { /* Disable offset on mobile/tablet */ } .typography .captioned-image-container figure:has(> a.image2-align-left), .typography.editor .captioned-image-container figure:has(> a.image2-align= -left), .typography .captioned-image-container figure:has(> a.image2-align-right)= , .typography.editor .captioned-image-container figure:has(> a.image2-align= -right) { float: none; margin: 1em auto; max-width: 100%; width: auto; padding: 0; } .typography .captioned-image-container figure:has(> a.image2-align-left.t= hefp), .typography.editor .captioned-image-container figure:has(> a.image2-align= -left.thefp), .typography .captioned-image-container figure:has(> a.image2-align-right.= thefp), .typography.editor .captioned-image-container figure:has(> a.image2-align= -right.thefp) { margin: 1em auto; } .typography .captioned-image-container figure:has(> a.image2-offset-left)= , .typography.editor .captioned-image-container figure:has(> a.image2-offse= t-left), .typography .captioned-image-container figure:has(> a.image2-offset-right= ), .typography.editor .captioned-image-container figure:has(> a.image2-offse= t-right) { margin: 1em auto; } .typography .captioned-image-container figure:has(> a.image2-align-left) = =2Eimage2-inset, .typography.editor .captioned-image-container figure:has(> a.image2-align= -left) .image2-inset, .typography .captioned-image-container figure:has(> a.image2-align-right)= .image2-inset, .typography.editor .captioned-image-container figure:has(> a.image2-align= -right) .image2-inset { display: block; justify-content: initial; } } @media (max-width: 768px) { .typography .markup div.sponsorship-campaign-embed, .typography.editor .markup div.sponsorship-campaign-embed { margin-top: 24px; margin-bottom: 24px; } .typography .markup div.sponsorship-campaign-embed:first-child, .typography.editor .markup div.sponsorship-campaign-embed:first-child { margin-top: 0px; } } @media screen and (max-width: 650px) { .typography .markup div.youtube-overlay, .typography.editor .markup div.youtube-overlay, .typography .markup div.vimeo-overlay, .typography.editor .markup div.vimeo-overlay { display: none !important; } } @media screen and (max-width: 370px) { .typography .markup div.tiktok-wrap, .typography.editor .markup div.tiktok-wrap { width: calc(95vw - 32px); height: calc((95vw - 32px - 2px) / 0.485714); } } @media screen and (max-width: 650px) { .typography .markup div.embedded-publication-wrap .embedded-publication.s= how-subscribe, .typography.editor .markup div.embedded-publication-wrap .embedded-public= ation.show-subscribe { padding: 24px; } } @media screen and (max-width: 650px) { .typography .markup div.subscription-widget-wrap .subscription-widget.sho= w-subscribe, .typography.editor .markup div.subscription-widget-wrap .subscription-wid= get.show-subscribe, .typography .markup div.subscription-widget-wrap-editor .subscription-wid= get.show-subscribe, .typography.editor .markup div.subscription-widget-wrap-editor .subscript= ion-widget.show-subscribe, .typography .markup div.captioned-button-wrap .subscription-widget.show-s= ubscribe, .typography.editor .markup div.captioned-button-wrap .subscription-widget= =2Eshow-subscribe { padding: 0px 24px; } } @media screen and (max-width: 650px) { .typography .markup div.subscription-widget-wrap .subscription-widget.sho= w-subscribe .subscription-widget-subscribe .button, .typography.editor .markup div.subscription-widget-wrap .subscription-wid= get.show-subscribe .subscription-widget-subscribe .button, .typography .markup div.subscription-widget-wrap-editor .subscription-wid= get.show-subscribe .subscription-widget-subscribe .button, .typography.editor .markup div.subscription-widget-wrap-editor .subscript= ion-widget.show-subscribe .subscription-widget-subscribe .button, .typography .markup div.captioned-button-wrap .subscription-widget.show-s= ubscribe .subscription-widget-subscribe .button, .typography.editor .markup div.captioned-button-wrap .subscription-widget= =2Eshow-subscribe .subscription-widget-subscribe .button { padding: 10px 12px; min-width: 110px; } } @media (max-width: 650px) { .typography .markup .twitter-embed, .typography.editor .markup .twitter-embed, .typography .markup .tweet, .typography.editor .markup .tweet { padding: 12px; } } @media (max-width: 650px) { .typography .markup .twitter-embed .tweet-text, .typography.editor .markup .twitter-embed .tweet-text, .typography .markup .tweet .tweet-text, .typography.editor .markup .tweet .tweet-text { font-size: 14px; line-height: 20px; } } @media (max-width: 650px) { .typography .markup .twitter-embed .tweet-photos-container.two, .typography.editor .markup .twitter-embed .tweet-photos-container.two, .typography .markup .tweet .tweet-photos-container.two, .typography.editor .markup .tweet .tweet-photos-container.two, .typography .markup .twitter-embed .tweet-photos-container.three, .typography.editor .markup .twitter-embed .tweet-photos-container.three, .typography .markup .tweet .tweet-photos-container.three, .typography.editor .markup .tweet .tweet-photos-container.three, .typography .markup .twitter-embed .tweet-photos-container.four, .typography.editor .markup .twitter-embed .tweet-photos-container.four, .typography .markup .tweet .tweet-photos-container.four, .typography.editor .markup .tweet .tweet-photos-container.four { height: 200px; } } @media (max-width: 650px) { .typography .markup .twitter-embed a.expanded-link .expanded-link-img, .typography.editor .markup .twitter-embed a.expanded-link .expanded-link-= img, .typography .markup .tweet a.expanded-link .expanded-link-img, .typography.editor .markup .tweet a.expanded-link .expanded-link-img { max-height: 180px; } } @media (max-width: 650px) { .typography .markup .twitter-embed a.expanded-link .expanded-link-descrip= tion, .typography.editor .markup .twitter-embed a.expanded-link .expanded-link-= description, .typography .markup .tweet a.expanded-link .expanded-link-description, .typography.editor .markup .tweet a.expanded-link .expanded-link-descript= ion { display: none; } } @media screen and (max-width: 650px) { .typography .markup .apple-podcast-container, .typography.editor .markup .apple-podcast-container { width: unset; } } @media (max-width: 420px) { .typography .markup .install-substack-app-embed img.install-substack-app-= embed-img, .typography.editor .markup .install-substack-app-embed img.install-substa= ck-app-embed-img { margin: 0 auto 16px auto; } } @media (max-width: 420px) { .typography .markup .install-substack-app-embed .install-substack-app-emb= ed-text, .typography.editor .markup .install-substack-app-embed .install-substack-= app-embed-text { margin: 0 0 12px 0; max-width: 100%; width: auto; text-align: center; } } @media (max-width: 420px) { .typography .markup .install-substack-app-embed .install-substack-app-emb= ed-link, .typography.editor .markup .install-substack-app-embed .install-substack-= app-embed-link { display: flex; justify-content: center; } } @media screen and (min-width: 481px) { .share-button-container { height: 38px; } } @media screen and (min-width: 481px) { .share-button-container a.comment { height: 38px; line-height: 38px; padding-right: 10px; } } @media screen and (max-width: 480px) { .share-button-container .separator { display: block; margin: 0; height: 8px; border-left: none; } } @media screen and (max-width: 480px) { .share-button-container a.share.first img { padding-left: 0; } } @media screen and (min-width: 481px) { .share-button-container a.mobile { display: none !important; } } @media screen and (min-width: 541px) { .settings-add-pub-modal-wrapper .container .add-recommending-pub-modal-co= ntainer { padding: 36px; height: 680px; } } @media screen and (min-width: 541px) { .settings-add-pub-modal-wrapper .container .add-recommending-pub-modal-co= ntainer .footer { position: absolute; bottom: 36px; margin: 0px; } } @media screen and (max-width: 650px) { .header-anchor-parent { display: none; } } @media screen and (max-width: 768px) { .post { padding: 16px 0 0 0; } } @media screen and (max-width: 650px) { .post .post-header .post-label { margin-top: 8px; } } @media screen and (max-width: 650px) { .post .post-header .meta-author-wrap.alternative-meta .meta-right-column = =2Epost-meta { margin-top: 6px; } } @media screen and (max-width: 650px) { .post .footer-facepile-container { height: 64px; padding: 0 16px; display: flex; align-items: center; justify-content: flex-start; width: 100%; } } @media screen and (max-width: 650px) { .post .post-footer.use-separators { justify-content: center; } } @media screen and (max-width: 650px) { .post .post-footer.next-prev { height: 64px; justify-content: space-between; box-sizing: border-box; } } @media screen and (max-width: 650px) { .post-contributor-footer .post-contributor-bio-table { display: block; } .post-contributor-footer .post-contributor-bio-table-row { display: flex; flex-direction: row; } .post-contributor-footer .post-contributor-bio-userhead-cell, .post-contributor-footer .post-contributor-bio-body-cell { display: block; } .post-contributor-footer .post-contributor-bio-body-cell { flex-grow: 1; } .post-contributor-footer .post-contributor-bio-body-table { display: block; } .post-contributor-footer .post-contributor-bio-body-table-row { display: block; } .post-contributor-footer .post-contributor-bio-copy-cell, .post-contributor-footer .post-contributor-bio-controls-cell { display: block; } .post-contributor-footer .post-contributor-bio-copy-cell { margin: 0 0 16px 0; } .post-contributor-footer .post-contributor-bio-controls-cell { width: auto; } .post-contributor-footer .post-contributor-bio-controls { margin: auto; } .post-contributor-footer .post-contributor-bio-controls .button.primary { width: 100%; } .post-contributor-footer .post-contributor-bio-text { font-size: 14px; } } @media screen and (min-width: 768px) { .post-silhouette { padding: 32px 0; } } @media screen and (max-width: 650px) { .post-silhouette .post-silhouette-title { margin-top: 10.44225025px; height: 120px; } } @media screen and (max-width: 650px) { .post-silhouette .post-silhouette-meta { width: 75%; } } @media screen and (max-width: 650px) { .post-silhouette .post-silhouette-meta.with-byline-image { margin: 20px 0; } } @media screen and (max-width: 650px) { .use-theme-bg .post-meta.alternative-meta .post-meta-item, .post-meta.alternative-meta .post-meta-item { padding-right: 16px; } } @media screen and (max-width: 370px) { .use-theme-bg .post-meta.alternative-meta .post-meta-item, .post-meta.alternative-meta .post-meta-item { font-size: 14px; } } @media screen and (max-width: 650px) { .use-theme-bg .post-meta.alternative-meta .post-meta-item.guest-author-pu= blication, .post-meta.alternative-meta .post-meta-item.guest-author-publication { display: none; } } @media screen and (max-width: 370px) { .post-meta .post-meta-item .post-meta-button { height: 36px !important; /* important to override in-line height style on emails */ } .post-meta .post-meta-item .post-meta-button .meta-button-label { display: none; } .post-meta .post-meta-item .post-meta-button > svg { margin-right: 0; } } @media screen and (max-width: 370px) { .post-meta .post-meta-item { font-size: 12px; } } @media screen and (max-width: 650px) { .post .floating-subscribe-button { bottom: 20px; right: 20px; } } @media (max-width: 1024px) { body .pullquote-align-left, body .pullquote-align-right, body .pullquote-align-wide, body .pullquote-align-center { float: none; margin: 0 auto; width: 100%; max-width: 100%; } } @media all and (-ms-high-contrast: none), (-ms-high-contrast: active) { body .markup table.image-wrapper img, body .markup table.kindle-wrapper img { max-width: 550px; } } @media (min-width: 1024px) { body:not(:has(#toc)) .captioned-image-container figure:has(> a.image2-off= set-left) { margin-left: var(--image-offset-margin); } body:not(:has(#toc)) .captioned-image-container figure:has(> a.image2-off= set-right) { margin-right: var(--image-offset-margin); } } @media (min-width: 1300px) { body .captioned-image-container figure:has(> a.image2-offset-left) { margin-left: var(--image-offset-margin); } body .captioned-image-container figure:has(> a.image2-offset-right) { margin-right: var(--image-offset-margin); } } @media (max-width: 1024px) { body { /* Disable offset on mobile/tablet */ } body .captioned-image-container figure:has(> a.image2-align-left), body .captioned-image-container figure:has(> a.image2-align-right) { float: none; margin: 1em auto; max-width: 100%; width: auto; padding: 0; } body .captioned-image-container figure:has(> a.image2-align-left.thefp), body .captioned-image-container figure:has(> a.image2-align-right.thefp) = { margin: 1em auto; } body .captioned-image-container figure:has(> a.image2-offset-left), body .captioned-image-container figure:has(> a.image2-offset-right) { margin: 1em auto; } body .captioned-image-container figure:has(> a.image2-align-left) .image2= -inset, body .captioned-image-container figure:has(> a.image2-align-right) .image= 2-inset { display: block; justify-content: initial; } } @media (max-width: 768px) { body .markup div.sponsorship-campaign-embed { margin-top: 24px; margin-bottom: 24px; } body .markup div.sponsorship-campaign-embed:first-child { margin-top: 0px; } } @media screen and (max-width: 650px) { body .markup div.youtube-overlay, body .markup div.vimeo-overlay { display: none !important; } } @media screen and (max-width: 370px) { body .markup div.tiktok-wrap { width: calc(95vw - 32px); height: calc((95vw - 32px - 2px) / 0.485714); } } @media screen and (max-width: 650px) { body .markup div.embedded-publication-wrap .embedded-publication.show-sub= scribe { padding: 24px; } } @media screen and (max-width: 650px) { body .markup div.subscription-widget-wrap .subscription-widget.show-subsc= ribe, body .markup div.subscription-widget-wrap-editor .subscription-widget.sho= w-subscribe, body .markup div.captioned-button-wrap .subscription-widget.show-subscrib= e { padding: 0px 24px; } } @media screen and (max-width: 650px) { body .markup div.subscription-widget-wrap .subscription-widget.show-subsc= ribe .subscription-widget-subscribe .button, body .markup div.subscription-widget-wrap-editor .subscription-widget.sho= w-subscribe .subscription-widget-subscribe .button, body .markup div.captioned-button-wrap .subscription-widget.show-subscrib= e .subscription-widget-subscribe .button { padding: 10px 12px; min-width: 110px; } } @media (max-width: 650px) { body .markup .twitter-embed, body .markup .tweet { padding: 12px; } } @media (max-width: 650px) { body .markup .twitter-embed .tweet-text, body .markup .tweet .tweet-text { font-size: 14px; line-height: 20px; } } @media (max-width: 650px) { body .markup .twitter-embed .tweet-photos-container.two, body .markup .tweet .tweet-photos-container.two, body .markup .twitter-embed .tweet-photos-container.three, body .markup .tweet .tweet-photos-container.three, body .markup .twitter-embed .tweet-photos-container.four, body .markup .tweet .tweet-photos-container.four { height: 200px; } } @media (max-width: 650px) { body .markup .twitter-embed a.expanded-link .expanded-link-img, body .markup .tweet a.expanded-link .expanded-link-img { max-height: 180px; } } @media (max-width: 650px) { body .markup .twitter-embed a.expanded-link .expanded-link-description, body .markup .tweet a.expanded-link .expanded-link-description { display: none; } } @media screen and (max-width: 650px) { body .markup .apple-podcast-container { width: unset; } } @media (max-width: 420px) { body .markup .install-substack-app-embed img.install-substack-app-embed-i= mg { margin: 0 auto 16px auto; } } @media (max-width: 420px) { body .markup .install-substack-app-embed .install-substack-app-embed-text= { margin: 0 0 12px 0; max-width: 100%; width: auto; text-align: center; } } @media (max-width: 420px) { body .markup .install-substack-app-embed .install-substack-app-embed-link= { display: flex; justify-content: center; } } @media screen and (min-width: 500px) { body .header a.logo { width: 42px; height: 42px; border-radius: 12px; } } @media screen and (max-width: 420px) { body .subscription-receipt table:first-of-type .subscription-amount .subs= cription-discount { width: 72px !important; } } @media screen and (min-width: 481px) { body .share-button-container { height: auto; } } @media screen and (max-width: 480px) { body .share-button-container .separator { display: block !important; margin: 0 !important; height: 8px !important; border-left: none !important; } } @media screen and (max-width: 650px) { .digest .item .post-meta-item.audience { display: none; } } @media screen and (min-width: 500px) { .digest-publication .logo img { width: 42px; height: 42px; border-radius: 8px; } } @media screen and (max-width: 650px) { .comments-page .container .comment-list .collapsed-reply { margin-left: calc(10 + 32px - 24px); } } @media screen and (max-width: 650px) { .comment > .comment-list { padding-left: 24px; } } @media screen and (max-width: 650px) { .finish-magic-login-modal .modal-content .container { padding: 24px 0; } } @media (max-width: 650px) { .reader2-text-b3 { line-height: 24px; } } @media screen and (max-width: 650px) { .reader2-text-h4 { line-height: 24px; } } @media screen and (min-width: 541px) { .user-profile-modal { padding-left: 12px; padding-right: 12px; } } @media screen and (max-width: 650px) { .subscribe-widget form.form .sideBySideWrap button.rightButton { padding: 10px 12px; } } @media screen and (min-width: 541px) { .pub-icon:hover .logo-hover, .feed-item-icon:hover .logo-hover { display: block; } } @media screen and (max-width: 650px) { .post-ufi.single-full-width-button .post-ufi-button-wrapper { width: 100%; padding: 16px; } .post-ufi.single-full-width-button .post-ufi-button-wrapper:empty { display: none; } .post-ufi.single-full-width-button .post-ufi-button { width: 100%; justify-content: center; } } @media screen and (max-width: 768px) { .file-embed-wrapper { padding: 0; } } @media screen and (max-width: 768px) { .file-embed-wrapper-editor { padding: 0; } } @media screen and (max-width: 768px) { .file-embed-wrapper-editor:active { padding: 0; } } @media only screen and (max-width: 650px) { .file-embed-button.wide, .file-embed-error-button.wide { display: none; } } @media only screen and (min-width: 630px) { .file-embed-button.narrow, .file-embed-error-button.narrow { display: none; } } @media screen and (min-width: 541px) { .audio-player-wrapper .audio-player { min-width: 500px; } } @media screen and (max-width: 650px) { .audio-player-wrapper .audio-player .audio-player-progress { border-left-width: 16px; border-right-width: 16px; } } @media screen and (max-width: 650px) { .audio-player-wrapper .audio-player .audio-player-progress .audio-player-= progress-bar .audio-player-progress-bar-popup { top: -54px; } } @media screen and (max-width: 650px) { .audio-player-wrapper-fancy .audio-player .audio-player-progress { border-left-width: 16px; border-right-width: 16px; } } @media screen and (max-width: 650px) { .audio-player-wrapper-fancy .audio-player .audio-player-progress .audio-p= layer-progress-bar .audio-player-progress-bar-popup { top: -54px; } } @media (min-width: 250px) { .audio-player-wrapper-fancy .audio-player { padding: 32px; } .audio-player-wrapper-fancy .audio-player .btn-group { display: flex; } .audio-player-wrapper-fancy .audio-player .btn-group .button:last-of-type= { display: block; } } @media (min-width: 300px) { .audio-player-wrapper-fancy .audio-player .btn-group { display: block; } .audio-player-wrapper-fancy .audio-player .btn-group .button:first-of-typ= e { display: block; } } @media (min-width: 350px) { .audio-player-wrapper-fancy .audio-player .audio-player-substack-logo { display: block; } .audio-player-wrapper-fancy .audio-player .audio-player-title { margin-top: 16px; } .audio-player-wrapper-fancy .audio-player .audio-player-hero-image-contai= ner { padding-top: 15%; width: 15%; display: block; } .audio-player-wrapper-fancy .audio-player .btn-group .button:first-of-typ= e { display: block; } .audio-player-wrapper-fancy .audio-player .audio-player-substack-logo { display: block; } } @media (min-width: 350px) { .audio-player-wrapper-fancy .audio-player .audio-player-hero-image-contai= ner { padding-top: 25%; width: 25%; display: block; } .audio-player-wrapper-fancy .audio-player .btn-group { display: flex; } .audio-player-wrapper-fancy .audio-player .btn-group .button:first-of-typ= e { display: block; } } @media (min-width: 400px) { .audio-player-wrapper-fancy .audio-player .audio-player-hero-image-contai= ner { padding-top: 40%; width: 40%; } } @media (max-width: 400px) { .audio-player-wrapper-fancy .audio-player .btn-group { margin-top: 12px; } .audio-player-wrapper-fancy .audio-player .btn-group .button { font-size: 13px; padding: 6px 12px; height: auto; margin-top: 10px; } } @media (min-width: 600px) { .audio-player-wrapper-fancy .audio-player .audio-player-hero-image-contai= ner { padding-top: 55%; width: 55%; } } @media (max-width: 650px) { .poll-editor-modal { min-width: calc(100% - 20px); } } @media (max-width: 750px) { .poll-embed .poll-anchor-target .poll-anchor-copy-button { left: 8px; top: 45px; } } @media not all and (min-resolution: 0.001dpcm) { @supports (-webkit-appearance: none) { p a:not(.primary.button), .post p:not(.button-wrapper) a:not(.primary.button), .footnote a.footnote-anchor:not(.primary.button), .thread-head .markup p:not(.button-wrapper) a:not(.primary.button) { color: #ff6719; text-decoration: none; } p a:not(.primary.button):hover, .post p:not(.button-wrapper) a:not(.primary.button):hover, .footnote a.footnote-anchor:not(.primary.button):hover, .thread-head .markup p:not(.button-wrapper) a:not(.primary.button):hove= r { text-decoration: underline; } } }3D""
For research purposes only.
͏     ­͏ &nb= sp;   ­͏     ­͏     ­&= #847;     ­͏     ­͏    = ; ­͏     ­͏     ­͏ &nbs= p;   ­͏     ­͏     ­&#= 847;     ­͏     ­͏    = ­͏     ­͏     ­͏  = ;   ­͏     ­͏     ­= 47;     ­͏     ­͏     = ­͏     ­͏     ­͏  =   ­͏     ­͏     ­T= 7;     ­͏     ­͏     &= #173;͏     ­͏     ­͏   =   ­͏     ­͏     ­͏= ;     ­͏     ­͏     &#= 173;͏     ­͏     ­͏   &= #8199; ­͏     ­͏     ­͏=     ­͏     ­͏     = 73;͏     ­͏     ­͏   &#= 8199; ­͏     ­͏     ­͏ =     ­͏     ­͏     = 3;͏     ­͏     ­͏   = 199; ­͏     ­͏     ­͏ &= nbsp;   ­͏     ­͏     ­= ;͏     ­͏     ­͏   Q= 99; ­͏     ­͏     ­͏ &n= bsp;   ­͏     ­͏     ­= ͏     ­͏     ­͏   ̳= 9; ­͏     ­͏     ­͏ &nb= sp;   ­͏     ­͏     ­&= #847;     ­͏     ­͏    = ; ­͏     ­͏     ­͏ &nbs= p;   ­͏     ­͏     ­&#= 847;     ­͏     ­͏    = ­͏     ­͏     ­͏  = ;   ­͏     ­͏     ­= 47;     ­͏     ­͏     = ­͏     ­͏     ­͏  =   ­͏     ­͏     ­T= 7;     ­͏     ­͏     &= #173;͏     ­͏     ­͏   =   ­͏     ­͏     ­͏= ;     ­͏     ­͏     &#= 173;͏     ­͏     ­͏   &= #8199; ­͏     ­͏     ­͏=     ­͏     ­͏     = 73;͏     ­͏     ­͏   &#= 8199; ­͏     ­͏     ­͏ =     ­͏     ­͏     = 3;͏     ­͏     ­͏   = 199; ­͏     ­͏     ­͏ &= nbsp;   ­͏     ­͏     ­= ;͏     ­͏     ­͏   Q= 99; ­͏     ­͏     ­͏ &n= bsp;   ­͏     ­͏     ­= ͏     ­͏     ­͏   ̳= 9; ­͏     ­͏     ­͏ &nb= sp;   ­͏     ­͏     ­&= #847;     ­͏     ­͏    = ; ­͏     ­͏     ­͏ &nbs= p;   ­͏     ­͏     ­&#= 847;     ­͏     ­͏    = ­͏     ­͏     ­͏  = ;   ­͏     ­͏     ­= 47;     ­͏     ­͏     = ­͏     ­͏     ­͏  =   ­͏     ­͏     ­T= 7;     ­͏     ­͏     &= #173;͏     ­͏     ­͏   =   ­͏     ­͏     ­͏= ;     ­͏     ­͏     &#= 173;͏     ­͏     ­͏   &= #8199; ­͏     ­͏     ­͏=     ­͏     ­͏     = 73;͏     ­͏     ­͏   &#= 8199; ­
<= tr>
=
Forwarded this email? Subscribe here for more

Adamax & Adalank: Two Upgrades, Two Very Different Reasons

<= table class=3D"post-meta" role=3D"presentation" width=3D"100%" border=3D"0"= cellspacing=3D"0" cellpadding=3D"0" style=3D"margin: 1em 0;height: 20px;al= ign-items: center;">
Derek
=
<= tbody>
 
<= td style=3D"vertical-align:middle;">
3D""
3D""
3D""
3D""
R= EAD IN APP3D""
 

For research purposes only. Not for human consumption.

<= p style=3D"margin: 0 0 20px 0;color: rgb(54,55,55);line-height: 26px;font-s= ize: 16px;">Adamax and Adalank are often mentioned in the same breath becau= se they’re both “next-gen” derivatives — one built = from Semax, one from Selank. But the way each was upgraded is completely di= fferent, and that difference matters for understanding what each one actual= ly does in research.

Adamax is a structural shift. Adalank = is a durability improvement. Those are not the same thing.

3D""
Upgrade to pa= id
=

Adalank First — Because It̵= 7;s the Simpler Case

Adalank is the N-Acetyl Amidate form = of Selank. The modifications made to it — an acetyl group on one end,= an amidate group on the other — are purely about stability. They pro= tect the peptide from enzymatic degradation, extending how long it remains = active before being cleared.

Standard Selank has a very sho= rt half-life — meaning it gets broken down and cleared from circulati= on rapidly, limiting how long it can engage its target pathways. Adalank= 217;s structural modifications address this directly, without changing anyt= hing about the mechanism itself. Same receptor targets, same effect profile= — longer active duration.

So when looking at Adalank= ’s research profile, you’re looking at Selank’s research = profile delivered more consistently:

  • Anxiety redu= ction without sedation or dependence — through modulat= ion of GABA-A receptors (GABA is the brain’s primary calming neurotra= nsmitter; modulation here means influencing how those receptors respond rat= her than directly activating them), producing anxiolytic effects comparable= to benzodiazepines in clinical research without the associated side effect= burden

  • Stress hormone regulation — normalization of cor= tisol under psychological stress conditions, modulating the HPA axis (the h= ormonal communication loop between the brain and adrenal glands that govern= s the stress response) rather than suppressing it entirely

    • <= li style=3D"margin: 8px 0 0 32px;mso-special-format: bullet;">

    Mood stabilization= — serotonin system modulation producing a steadier em= otional baseline without blunting or euphoria

  • BDNF upregulation — rapid elevation of Brain-Derived Neurotrophic Factor (a protein t= hat acts as a growth and maintenance signal for neurons) in the hippocampus= , supporting neuronal survival, synaptic connectivity (the strength of conn= ections between brain cells), and cognitive adaptability

    • Enkephalin preservat= ion — inhibition of the enzymes that break down enkeph= alins (naturally occurring peptides the brain produces to regulate mood and= stress), extending their active window

  • Immune system support = — retained from Selank’s origins as a tuftsin analog (tuftsin i= s a naturally occurring immune peptide), including cytokine regulation (cyt= okines are signaling proteins that coordinate immune responses) and broader= immune system modulation

The upgrade Adal= ank represents is pharmacokinetic — meaning it changes how the compou= nd is handled and how long it remains active in circulation, not what it do= es once it reaches its target.

Adamax — A Different K= ind of Upgrade Entirely

Adamax starts from the Semax backb= one, but the addition of an adamantane group at the C-terminus (the tail en= d of the peptide chain) doesn’t only improve how the compound is hand= led in circulation — it shifts the receptor activity profile. This is= the critical distinction from Adalank.

Adalank arrives at = the same destination as Selank, just more reliably. Adamax arrives somewher= e Semax doesn’t fully go.

The shift is toward the dop= aminergic system — the pathway most associated with motivation, drive= , and goal-directed behavior. Semax influences dopamine as part of a broade= r, more balanced cognitive profile. Adamax research points more specificall= y toward that dopaminergic signal, and the pattern in community research re= flects it — the most consistent observations are motivational and tas= k-oriented rather than the calm, broad cognitive support Semax is known for= =2E

What that translates to in research:

  • Motivation and task initiation — increased goal-= directed behavior in research subjects, characterized as purposeful drive r= ather than stimulant-like activation

  • Sustained attention ̵= 2; through concurrent dopaminergic and cholinergic pathway engagement (acet= ylcholine is the neurotransmitter most tied to attention and information pr= ocessing), supporting demanding cognitive work over extended periods=

  • Hippocam= pal neurogenesis — research interest in new neuron gen= eration in the hippocampus, the region most central to learning and memory = consolidation; a structural benefit that accumulates over a research cycle = rather than producing immediate acute effects

  • Neuroprotection = — antioxidant and anti-inflammatory activity in neural tissue, inheri= ted from the Semax lineage

  • Enhanced CNS penetration — th= e adamantane modification increases fat-solubility (lipophilicity), which m= atters because the blood-brain barrier — the selective filter between= the bloodstream and the brain — allows fat-soluble compounds to pass= through more readily; more of the compound reaches the brain, at higher co= ncentrations, compared to standard Semax variants; resistance to enzymatic = breakdown is also substantially improved

T= he upgrade Adamax represents is pharmacodynamic — meaning the structu= ral change alters what the compound actually does at the receptor level, no= t only how it is handled in circulation.

Why the Distinctio= n Matters

Adalank is Selank with an extended half-life. Re= searchers familiar with Selank’s profile should find Adalank’s = effects recognizable — the difference is duration and consistency of = coverage, not character.

Adamax is not Semax with an extend= ed half-life. It is a compound with a meaningfully different emphasis ̵= 2; more dopaminergic, more motivational, and less broadly cognitive than Se= max. Researchers approaching Adamax expecting a familiar Semax experience, = just longer-lasting, will find the profile is distinct.

Tha= t difference is also what makes the two compounds complementary in research= =2E Adamax engages the motivation and d= rive pathway. Adalank modulates the st= ress and anxiety response. They address different systems, which is exactly= why the combination produces an effect profile neither achieves independen= tly — driven and goal-oriented, without the anxiety or edge that dopa= minergic activation can sometimes bring on its own.

All i= nformation in this post is for educational and research purposes only. Thes= e compounds are not approved for human consumption. Always consult a qualif= ied healthcare professional.

Upgrade to paid
=

You're currently a free subscriber to Peptide Price. For the full experience, upgrade your subscription.

Upgrade to paid

=
 
=
=3D""S= hare
 
 
= =
3D""Like
3D""Comment
<= table role=3D"presentation" width=3D"auto" border=3D"0" cellspacing=3D"0" c= ellpadding=3D"0">
3D""Restack
=
 
© 2026 Derek Pruski
548 Market Street = PMB 72296, San Francisco, CA 94104
Unsubscribe

3D""3D"" --0a57aac37691146febd2c400853e85ab6377f6f0bd999e8f1538d0ccb366--