Email Archive

New Testing Standards at Southern Aminos

Score 0.828 · Account tjphuhs@gmail.com · 3/30/2026, 3:53:11 PM

New Testing Standards at Southern Aminos from derekpruski@substack.com on 2026-03-30T19:53:11.000Z View this post on the web at https://derekpruski.substack.com/p/new-testing-standards-at-southern Most vendors send one vial to a lab and call it a day. Southern Aminos is now running full testing across 10 vials per batch — and closing in on a 6.5/7 score on the PeptidePrice.store testing standard. That’s not a small thing. Here’s exactly what that means for your research. What Does “Full Peptide

New Testing Standards at Southern Aminos

Score 0.789 · Account tjphuhs@gmail.com · 3/30/2026, 3:53:11 PM

New Testing Standards at Southern Aminos from derekpruski@substack.com on 2026-03-30T19:53:11.000Z Reaction) for sterility testing. PCR is a molecular method that detects the DNA or RNA of bacteria, fungi, and other contaminants directly, without waiting for them to grow in a culture. It’s a different methodology than the culture-based approach and operates on a faster timeline. Worth noting: PCR-based sterility is not currently a recognized compendial standard in the way USP 71 is — meaning it

Introducing Modern Aminos Batch Testing & QR Verification 🧾

Score 0.706 · Account tjphuhs@gmail.com · 3/30/2026, 1:24:31 AM

Introducing Modern Aminos Batch Testing & QR Verification 🧾 from cs@modernaminos.com on 2026-03-30T05:24:31.000Z 96 Introducing Modern Aminos Batch Testing & QR Verification 🧾 Every vial now links to its unique COA — full transparency for your research. ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏

Peptidology Just Upgraded Their Testing Standard and Their Discount

Score 0.663 · Account tjphuhs@gmail.com · 4/8/2026, 12:15:30 PM

Peptidology Just Upgraded Their Testing Standard and Their Discount from derekpruski@substack.com on 2026-04-08T16:15:30.000Z that can identify contamination faster than traditional incubation. Running sterility at two independent labs, something no one else in the space is doing right now. The upgrade from 4 to 15 samples at Eagle is the biggest single jump in the new standard — 15 vials across two labs means a much higher level of confidence in the result. Most vendors in this space run a puri

Why Researchers Trust Modern Aminos 🧪

Score 0.652 · Account tjphuhs@gmail.com · 2/14/2026, 12:46:49 AM

Why Researchers Trust Modern Aminos 🧪 from cs@modernaminos.com on 2026-02-14T05:46:49.000Z 96 Why Researchers Trust Modern Aminos 🧪 Third-party tested. Lightning fast shipping. Real people ready to help — 24/7. ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏

What’s new on peptideprice: payment filters and sterility testing tiers

Score 0.637 · Account tjphuhs@gmail.com · 5/10/2026, 6:08:49 PM

What’s new on peptideprice: payment filters and sterility testing tiers from derekpruski@substack.com on 2026-05-10T22:08:49.000Z — USP 71. This is the gold standard. Two-week growth test. Worth a full point in the testing score. Sterility (PCR / rapid) — DNA-based, hours instead of weeks. Newer technology, but still a real sterility check. Worth half a point. Bioburden (5 Day) — USP 61. This is not a sterility test. It counts microbes but doesn’t prove sterility. Worth half a point. The filters

Modified Aminos New Products — Including the KPV Nasal Spray You’ve Been Asking For

Score 0.630 · Account tjphuhs@gmail.com · 3/25/2026, 9:43:26 AM

Modified Aminos New Products — Including the KPV Nasal Spray You’ve Been Asking For from derekpruski@substack.com on 2026-03-25T13:43:26.000Z them. What makes this lab notable for nasal sprays is that they can test for net content in the bottle — not just identity and purity, but actual measured dose. The COA for the KPV spray shows 10.31mg in the bottle against a 10mg spec. That’s confirmed via HPLC with identity verified by retention time concordance against a certified reference standard (USP

Peptidology Just Upgraded Their Testing Standard and Their Discount

Score 0.630 · Account tjphuhs@gmail.com · 4/8/2026, 12:15:30 PM

Peptidology Just Upgraded Their Testing Standard and Their Discount from derekpruski@substack.com on 2026-04-08T16:15:30.000Z View this post on the web at https://derekpruski.substack.com/p/peptidology-just-upgraded-their-testing Peptidology Just Upgraded Their Testing Standard + 25% Off Sale Got a message with some details worth sharing. Peptidology has a large inventory, and it’s worth being transparent about where things stand — some products in their catalog currently only have 2x sterility

Peptidology Just Upgraded Their Testing Standard and Their Discount

Score 0.627 · Account tjphuhs@gmail.com · 4/8/2026, 12:15:30 PM

Peptidology Just Upgraded Their Testing Standard and Their Discount from derekpruski@substack.com on 2026-04-08T16:15:30.000Z is a test a lot of vendors skip entirely. ICP-MS Heavy Metals ICP-MS (Inductively Coupled Plasma Mass Spectrometry) screens for toxic heavy metals: lead, arsenic, cadmium, mercury, and chromium. These can enter a product through the raw materials used in synthesis or through manufacturing equipment. You won’t taste or see them, and they won’t show up on a purity test — wh

Fwd: Modified Aminos New Products — Including the KPV Nasal Spray You’ve Been Asking For

Score 0.625 · Account tjphuhs@gmail.com · 3/25/2026, 9:47:24 AM

Fwd: Modified Aminos New Products — Including the KPV Nasal Spray You’ve Been Asking For from tjphuhs@gmail.com on 2026-03-25T13:47:24.000Z ---------- Forwarded message ---------- From: Derek from Peptide Price <derekpruski@substack.com> Date: Mar 25, 2026 at 9:43 AM -0400 To: tjphuhs@gmail.com Subject: Modified Aminos New Products — Including the KPV Nasal Spray You’ve Been Asking For > Modified Aminos just launched a full lineup of new products, and the one I was most excited about — and that

Fwd: Modified Aminos New Products — Including the KPV Nasal Spray You’ve Been Asking For

Score 0.614 · Account tjphuhs@gmail.com · 3/25/2026, 9:47:24 AM

Fwd: Modified Aminos New Products — Including the KPV Nasal Spray You’ve Been Asking For from tjphuhs@gmail.com on 2026-03-25T13:47:24.000Z Link: https://modifiedaminos.shop/product/semax-spray-40mg-per-bottle/?ref=derek > > Semax/Selank Spray — 10mg/10mg (new size) > > • > Single: $77.99 > • > Two-Pack: $149.99 > • > Trio: $219.99 > • > Link: https://modifiedaminos.shop/product/semax-selank-spray-20/?ref=derek > > TB-500 Spray — 30mg > > • > Single: $138.99 > • > Two-Pack: $269.99 > • > Trio: $

GLPs Are Back at Modern Aminos — Here’s Why

Score 0.613 · Account tjphuhs@gmail.com · 1/27/2026, 11:03:52 AM

GLPs Are Back at Modern Aminos — Here’s Why from cs@modernaminos.com on 2026-01-27T16:03:52.000Z Transparency first. Here’s why GLPs were removed, and why they’re now available again. This email was sent to you as HTML-only. To view it, please visit: https://glh.soundestlink.com/ce/v/68732f567657959f48cbbc66/6978e1a0a338842ab0915008 ************************** Make sure you keep getting our latest offers and add cs@modernaminos.com to your address book. Unsubscribe https://glh.soundestlink.com/co

Fwd: Modified Aminos New Products — Including the KPV Nasal Spray You’ve Been Asking For

Score 0.613 · Account tjphuhs@gmail.com · 3/25/2026, 9:47:24 AM

Fwd: Modified Aminos New Products — Including the KPV Nasal Spray You’ve Been Asking For from tjphuhs@gmail.com on 2026-03-25T13:47:24.000Z I took the community feedback seriously. A lot of you wanted higher-concentration nasal sprays for research. Shout out to Flawless and Glow for paving the way on this — Modified Aminos has followed suit. > Upgrade to paid > Here’s everything that just dropped: > 5-Amino-1MQ Capsules — 50mg, 60 caps > > • > Single: $129.99 > • > Two-Pack: $249.99 > • > Trio:

Introducing Peptidology: Testing Taken To A New Level

Score 0.607 · Account tjphuhs@gmail.com · 3/24/2026, 11:15:15 AM

Introducing Peptidology: Testing Taken To A New Level from derekpruski@substack.com on 2026-03-24T15:15:15.000Z View this post on the web at https://derekpruski.substack.com/p/introducing-peptidology-testing-taken Without question the best-tested company I’ve come across in this space — and one of the first to do it at this level. Peptidology takes a different approach to the research space. Their goal is to do the maximum amount of testing possible to ensure their products are the highest quali

Now Arriving: 7 New Biomarkers

Score 0.606 · Account tjphuhs@gmail.com · 4/22/2026, 4:24:57 PM

Now Arriving: 7 New Biomarkers from hello@rythmhealth.com on 2026-04-22T20:24:57.000Z Hi Timothy, =C2=A0 Seven new biomarkers just joined your Rythm panel:=C2=A0=C2=A0 - Hematocrit =E2=80=93 Red Blood Cell % - Hemoglobin =E2=80=93 Oxygen Delivery - Vitamin B12 =E2=80=93 Cellular Energy - Fructosamine =E2=80=93 Avg Blood Glucose - Uric Acid =E2=80=93 Metabolic Waste - ALP =E2=80=93 Bone & Liver Health - GGT =E2=80=93 Liver Stress Early access begins today at no additional cost. Our=C2=A0[industry

New lab partner: BTLabs now available for private testing

Score 0.603 · Account tjphuhs@gmail.com · 2/12/2026, 11:34:43 PM

New lab partner: BTLabs now available for private testing from raph@finnrick.com on 2026-02-13T04:34:43.000Z Hi Pups Peps team, Just added BTLabs as a new private testing partner on Finnrick. They bring something unique to the table: filler quantification by weighing vial contents. This means you can now get precise measurements of peptide-to-filler ratios, not just purity percentages. Plus, I know turnaround speed matters: they deliver results in just 6 business days from arrival at our facilit

Re: Contact form submission

Score 0.602 · Account tjphuhs@gmail.com · 4/2/2026, 9:20:24 AM

Re: Contact form submission from admin@freedomdiagnostics.net on 2026-04-02T13:20:24.000Z Yes, we are able to test NAD and B12. Please let me know if you have any other questions. On Thu, Apr 2, 2026 at 8:49 AM <tjphuhs@gmail.com> wrote: > Can you test vitamins, ie NAD and B12 or is it just peptides? > On Feb 7, 2026 at 8:34 PM -0500, Freedom Diagnostics < > admin@freedomdiagnostics.net>, wrote: > > Thank you for reaching out. We would be happy to assist you. > > Our turnaround time is 24-48 hou

Re: peptide_testing - Sample Submission

Score 0.602 · Account tjphuhs@gmail.com · 2/13/2026, 6:07:10 PM

Re: peptide_testing - Sample Submission from contact@bioregen.com on 2026-02-13T23:07:10.000Z Hi TJ, hank you for reaching out to BioRegen regarding testing services. We’re happy to assist with the testing of the sample. Please find the attached shipping form, which we kindly ask you to include with the samples you send. Our shipping address is listed at the bottom of the form for your convenience. You can also send your submission here: Sample Submission Link<https://reports.bioregen.com/sendsa

Research Radar Ep. 1: Payments, Peptides & Proper Testing

Score 0.601 · Account tjphuhs@gmail.com · 4/3/2026, 10:19:48 AM

Research Radar Ep. 1: Payments, Peptides & Proper Testing from derekpruski@substack.com on 2026-04-03T14:19:48.000Z View this post on the web at https://derekpruski.substack.com/p/research-radar-ep-1-payments-peptides Topic 1: Payment processing in the research space One of the most persistent behind-the-scenes headaches for research companies right now is payment processing. Vendors have been cycling through as many as seven different processors trying to find one that’s both reliable and will

Fwd: Past, Present, and Future: How to Verify a Clean Manufacturing Process

Score 0.601 · Account tjphuhs@gmail.com · 3/26/2026, 1:28:59 PM

Fwd: Past, Present, and Future: How to Verify a Clean Manufacturing Process from tjphuhs@gmail.com on 2026-03-26T17:28:59.000Z 71 > In plain English: “Can we confirm there are absolutely zero viable microorganisms present?” > USP 71 is the sterility test — it goes a step further than USP 61 by attempting to confirm the complete absence of viable microorganisms. This is the standard applied to products intended for injectable research and is used for injectable research compounds, biologics, and

Fwd: Past, Present, and Future: How to Verify a Clean Manufacturing Process

Score 0.601 · Account oc.tjphuhs@gmail.com · 3/26/2026, 1:28:59 PM

Fwd: Past, Present, and Future: How to Verify a Clean Manufacturing Process from tjphuhs@gmail.com on 2026-03-26T17:28:59.000Z 71 > In plain English: “Can we confirm there are absolutely zero viable microorganisms present?” > USP 71 is the sterility test — it goes a step further than USP 61 by attempting to confirm the complete absence of viable microorganisms. This is the standard applied to products intended for injectable research and is used for injectable research compounds, biologics, and

Fwd: Past, Present, and Future: How to Verify a Clean Manufacturing Process

Score 0.599 · Account tjphuhs@gmail.com · 3/26/2026, 1:28:59 PM

Fwd: Past, Present, and Future: How to Verify a Clean Manufacturing Process from tjphuhs@gmail.com on 2026-03-26T17:28:59.000Z is still very undefined. Every company is going to have a different risk tolerance and operate accordingly. Some will opt for USP 71 and accept that tradeoff. Others will stick with USP 61 on the advice of legal counsel. Neither position is inherently wrong — it’s a business decision made in a space where the rules aren’t fully written yet. > What’s worth knowing: the co

Fwd: Past, Present, and Future: How to Verify a Clean Manufacturing Process

Score 0.599 · Account oc.tjphuhs@gmail.com · 3/26/2026, 1:28:59 PM

Fwd: Past, Present, and Future: How to Verify a Clean Manufacturing Process from tjphuhs@gmail.com on 2026-03-26T17:28:59.000Z is still very undefined. Every company is going to have a different risk tolerance and operate accordingly. Some will opt for USP 71 and accept that tradeoff. Others will stick with USP 61 on the advice of legal counsel. Neither position is inherently wrong — it’s a business decision made in a space where the rules aren’t fully written yet. > What’s worth knowing: the co

What’s new on peptideprice: payment filters and sterility testing tiers

Score 0.597 · Account tjphuhs@gmail.com · 5/10/2026, 6:08:49 PM

What’s new on peptideprice: payment filters and sterility testing tiers from derekpruski@substack.com on 2026-05-10T22:08:49.000Z View this post on the web at https://derekpruski.substack.com/p/whats-new-on-peptideprice-payment A weekend of updates to make vendor comparison faster and more accurate. Spent this weekend pushing a round of updates to peptideprice.store [ https://substack.com/redirect/f76f57e4-54d0-49b1-9ca5-4e6208a623c9?j=eyJ1IjoiNGl3b2U2In0.sVDxRtmZ85v8kfdamY0krRXGMy3p768BWtuZifRB

Past, Present, and Future: How to Verify a Clean Manufacturing Process

Score 0.596 · Account tjphuhs@gmail.com · 3/26/2026, 12:51:37 PM

Past, Present, and Future: How to Verify a Clean Manufacturing Process from derekpruski@substack.com on 2026-03-26T16:51:37.000Z manufacturing byproducts, USP 61 looks at living organisms that could be introduced during filling, storage, or handling. This is the forward-looking test. A product can be clean at the time of manufacture and still pick up contamination later. USP 61 is the standard microbial quality test used broadly across non-sterile pharmaceutical products and is what most researc