Return-Path: Received: from [192.168.1.82] ([97.106.1.95]) by smtp.gmail.com with ESMTPSA id a1e0cc1a2514c-95136971ff1sm3844483241.0.2026.03.21.10.06.42 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 21 Mar 2026 10:06:43 -0700 (PDT) Date: Sat, 21 Mar 2026 13:06:18 -0400 From: tjphuhs@gmail.com To: "=?utf-8?Q?oc.tjphuhs=40gmail.com?=" Message-ID: <035e38a9-4001-4563-a39b-38e5980cacd1@Spark> In-Reply-To: <20260321122420.3.3d75d9e37d583de7@mg-d0.substack.com> References: <20260321122420.3.3d75d9e37d583de7@mg-d0.substack.com> Subject: Fwd: MOTS-c & Morning Workout Timing =?utf-8?Q?=E2=80=94_?=A Beginner-Friendly Breakdown X-Readdle-Message-ID: 035e38a9-4001-4563-a39b-38e5980cacd1@Spark MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="69bed021_4dc12159_860" --69bed021_4dc12159_860 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline ---------- =46orwarded message ---------- =46rom: Derek from Peptide Price Date: Mar 21, 2026 at 8:24=E2=80=AFAM -0400 To: tjphuhs=40gmail.com Subject: MOTS-c & Morning Workout Timing =E2=80=94 A Beginner-=46riendly = Breakdown > Not medical advice, not personal advice. > =CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0= =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2= =AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2= =A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87= =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F= =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80= =87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD= =8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2= =80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD= =CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0= =E2=80=87 =C2=AD=CD=8F 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=C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0= =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2= =AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2= =A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87= =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F= =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80= =87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD= =8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2= =80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD= =CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0= =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2= =AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2= =A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87= =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F= =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80= =87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD= =8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2= =80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD= =CD=8F =C2=A0 =E2=80=87 =C2=AD=CD=8F =C2=A0 =E2=80=87 =C2=AD > =46orwarded this email=3F Subscribe here for more > MOTS-c & Morning Workout Timing =E2=80=94 A Beginner-=46riendly Breakdo= wn > Derek > Mar 21 > > READ IN APP > > Not medical advice, not personal advice. =46or educational purposes onl= y. All use cases discussed are strictly research use only. > If a researcher is using MOTS-c and also hitting the gym in the morning= , timing matters. Here=E2=80=99s why =E2=80=94 broken down in plain langu= age. > =46irst, What Is MOTS-c=3F > MOTS-c is a small peptide encoded in mitochondrial DNA, which makes it = unique among peptides. Most peptides are encoded in the cell=E2=80=99s nu= cleus. Mitochondria are the energy-producing organelles inside your cells= =E2=80=94 often called the =E2=80=9Cpowerhouse of the cell.=E2=80=9D MOT= S-c is essentially a signal that mitochondria send out to communicate wit= h the rest of the body about energy status. > In research, it has shown strong effects on metabolism, insulin sensiti= vity, fat utilization, and cellular energy regulation. > Two Pathways You Need to Understand > To understand why timing matters, a researcher needs to understand two = opposing biological pathways. Think of them like two switches in the body= that generally can=E2=80=99t both be fully on at the same time. > AMPK =E2=80=94 The Low =46uel Switch > AMPK stands for adenosine monophosphate-activated protein kinase. Just = think of it as the body=E2=80=99s low-energy alarm system. When cellular = energy is running low =E2=80=94 during fasting, cardio, or caloric restri= ction =E2=80=94 AMPK activates. Once on, it tells the body to: > > =E2=80=A2 > Burn fat for fuel > =E2=80=A2 > Improve how cells use glucose > =E2=80=A2 > Build new mitochondria > =E2=80=A2 > Conserve energy by slowing down expensive biological proces= ses =E2=80=94 including building new muscle tissue > > MOTS-c is a potent AMPK activator. That=E2=80=99s largely where its met= abolic benefits originate. > mTOR =E2=80=94 The Build and Grow Switch > mTOR stands for mechanistic target of rapamycin. Think of this as the b= ody=E2=80=99s anabolic =E2=80=94 or growth =E2=80=94 signal. When mTOR is= activated, the body ramps up muscle protein synthesis, drives hypertroph= y (muscle growth), and invests resources into repair and building. > Resistance training is one of the most powerful ways to stimulate mTOR.= Eating adequate protein and carbohydrates after training also helps keep= it elevated. > Why They Conflict > Here=E2=80=99s the key point: AMPK and mTOR are opposing signals. When = AMPK is highly active, it puts the brakes on mTOR. Biologically this make= s sense =E2=80=94 the body doesn=E2=80=99t want to be building expensive = new muscle tissue when it thinks it=E2=80=99s in an energy-deficient stat= e. These two pathways actively suppress each other, which is why administ= ering a potent AMPK activator right before resistance training creates a = potential conflict worth thinking about. > The Important Nuance > Before getting into scenarios, this needs to be stated clearly because = it gets misunderstood constantly. > Activating AMPK does not completely shut off mTOR. It does not eliminat= e muscle growth. > The relationship between these two pathways is nuanced =E2=80=94 it dep= ends on how strongly each is activated, the researcher=E2=80=99s nutritio= n status, training intensity, recovery, and a range of other factors. A r= esearch subject is not going to lose all their gains because MOTS-c was a= dministered before a workout. The effect is more of a partial dampening u= nder certain conditions, not a complete block. > There=E2=80=99s also a compelling wrinkle specific to MOTS-c: research = has shown it can suppress myostatin. Myostatin is a protein the body prod= uces that actively limits how much muscle can grow =E2=80=94 it functions= as a biological brake on muscle development. Lower myostatin means that = brake is loosened, which can support greater skeletal muscle growth poten= tial. > Whether this effect is enough to fully offset any mTOR dampening from A= MPK activation is still an open research question =E2=80=94 but it makes = the picture considerably more complex than simply writing off MOTS-c as c= ounterproductive to muscle growth. > Scenario 1 =E2=80=94 The Optimal Approach (If Schedule Allows) > This is the approach that theoretically extracts the most from both MOT= S-c and resistance training by keeping the two signals separated. > Step 1 =E2=80=94 Administer MOTS-c fasted, first thing in the morning. > Step 2 =E2=80=94 =46ollow with low-to-moderate intensity movement. A wa= lk, steady state cardio, a light bike ride. Not resistance training. In a= fasted state with low-intensity activity, AMPK is heavily biased and sub= strate availability is low =E2=80=94 the body is primed to respond to MOT= S-c=E2=80=99s metabolic signals. This is the environment where its effect= s on mitochondrial function, fat oxidation, glucose metabolism, and metab= olic flexibility are operating at full capacity with no interference. > Step 3 =E2=80=94 Remain in a fasted or semi-fasted state for roughly 2=E2= =80=934 hours. This gives the acute AMPK signaling window time to normali= ze. > Step 4 =E2=80=94 Break the fast with a solid meal. Protein, carbohydrat= es, adequate calories. This refuels glycogen stores, raises circulating a= mino acid availability, and shifts the hormonal environment toward anabol= ism. > Step 5 =E2=80=94 Train. With MOTS-c out of the acute signaling window a= nd the body adequately refueled, resistance training can potently stimula= te mTOR without meaningful AMPK interference. The anabolic response to tr= aining is uncompromised. > The end result is two clean, well-supported signaling environments =E2=80= =94 one optimized for metabolic and mitochondrial adaptation in the morni= ng, one optimized for muscle growth later in the day. Both get their mome= nt. > Scenario 2 =E2=80=94 Morning Administration Before Resistance Training > Not every researcher has the schedule flexibility for Scenario 1, and t= hat=E2=80=99s completely fine. > =46or a researcher who can only train in the morning: administer MOTS-c= , train, and don=E2=80=99t overthink it. > The mechanistic concern around AMPK and mTOR is real, but it is not cat= astrophic in a practical context. The research subject is still going to = produce a meaningful training stimulus, still going to drive muscle prote= in synthesis, and still going to see adaptation over time. The myostatin = suppression effect from MOTS-c also adds a layer that may partially compe= nsate for any attenuation of mTOR signaling. > Compared to Scenario 1, outcomes on the muscle growth side may be margi= nally less optimal =E2=80=94 but results are still being produced on both= fronts. This is not a failure mode. It is a practical, workable approach= for researchers whose schedules demand it. > The Simple Version > Maximum benefit: Administer MOTS-c fasted in the morning, do light card= io, eat a solid meal a few hours later, then train. > Constrained schedule: Administer MOTS-c and train in the morning anyway= . Still worth it. > =46or research use only, not for human consumption. This is not medical= advice or personal advice =E2=80=94 strictly educational. > I want to give a huge shoutout to Coach Cam because he provided a lot o= f different perspectives on this through his research as well. > Questions or thoughts=3F Drop them in the comments. > Upgrade to paid > You're currently a free subscriber to Peptide Price. =46or the full exp= erience, upgrade your subscription. > Upgrade to paid > > Share > > > Like > Comment > Restack > > =C2=A9 2026 Derek Pruski > 548 Market Street PMB 72296, San =46rancisco, CA 94104 > Unsubscribe --69bed021_4dc12159_860 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline
---------- =46orwarded message ----= ------
=46rom: Derek from Peptide Price <derekpruski=40substack.com>= ;
Date: Mar 21, 2026 at 8:24=E2=80=AFAM -0400
To: tjphuhs=40gmail.com
Subject: MOTS-c & Morning Workout Timing =E2=80=94 A Beginner-= =46riendly Breakdown

3D=22=22
Not medical advice, not personal advice.
=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23= 160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80= =87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD= =CD=8F &=23160; =E2=80=87 =C2=AD=CD=8F &=23160; =E2=80=87 =C2=AD
=46orwarded this email=3F Subscribe here for more

MOTS-c & Morning Workout Timing =E2=80=94 A Beginner-=46riendly Brea= kdown

Derek
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READ IN APP3D=
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Not medical advice, not personal adv= ice. =46or educational purposes only. All use cases discussed are strictl= y research use only.

If a researcher is using MOTS-c and also hitting the g= ym in the morning, timing matters. Here=E2=80=99s why =E2=80=94 broken do= wn in plain language.

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=46irst, What Is MOTS-c=3F

MOTS-c is a small peptide encoded in mitochondrial DNA= , which makes it unique among peptides. Most peptides are encoded in the = cell=E2=80=99s nucleus. Mitochondria are the energy-producing organelles = inside your cells =E2=80=94 often called the =E2=80=9Cpowerhouse of the c= ell.=E2=80=9D MOTS-c is essentially a signal that mitochondria send out t= o communicate with the rest of the body about energy status.

In research, it has shown strong effects on metabolism= , insulin sensitivity, fat utilization, and cellular energy regulation.

Two Pathways You Need to Underst= and

To understand why timing matters, a researcher needs t= o understand two opposing biological pathways. Think of them like two swi= tches in the body that generally can=E2=80=99t both be fully on at the sa= me time.

AMPK =E2=80=94 The Low =46uel Sw= itch

AMPK stands for adenosine monophosphate-activated prot= ein kinase. Just think of it as the body=E2=80=99s low-energy alarm syste= m. When cellular energy is running low =E2=80=94 during fasting, cardio, = or caloric restriction =E2=80=94 AMPK activates. Once on, it tells the bo= dy to:

  • Burn = fat for fuel

  • Impro= ve how cells use glucose

  • Build= new mitochondria

  • Conse= rve energy by slowing down expensive biological processes =E2=80=94 inclu= ding building new muscle tissue

MOTS-c is a potent AMPK activator. That=E2=80=99s larg= ely where its metabolic benefits originate.

mTOR =E2=80=94 The Build and Gro= w Switch

mTOR stands for mechanistic target of rapamycin. Think= of this as the body=E2=80=99s anabolic =E2=80=94 or growth =E2=80=94 sig= nal. When mTOR is activated, the body ramps up muscle protein synthesis, = drives hypertrophy (muscle growth), and invests resources into repair and= building.

Resistance training is one of the most powerful ways t= o stimulate mTOR. Eating adequate protein and carbohydrates after trainin= g also helps keep it elevated.

Why They Conflict

Here=E2=80=99s the key point: AMPK and mTOR are opposi= ng signals. When AMPK is highly active, it puts the brakes on mTOR. Biolo= gically this makes sense =E2=80=94 the body doesn=E2=80=99t want to be bu= ilding expensive new muscle tissue when it thinks it=E2=80=99s in an ener= gy-deficient state. These two pathways actively suppress each other, whic= h is why administering a potent AMPK activator right before resistance tr= aining creates a potential conflict worth thinking about.

The Important Nuance

Before getting into scenarios, this needs to be stated= clearly because it gets misunderstood constantly.

Activating AMPK does not completely shut off m= TOR. It does not eliminate muscle growth.

The relationship between these two pathways is nuanced= =E2=80=94 it depends on how strongly each is activated, the researcher=E2= =80=99s nutrition status, training intensity, recovery, and a range of ot= her factors. A research subject is not going to lose all their gains beca= use MOTS-c was administered before a workout. The effect is more of a par= tial dampening under certain conditions, not a complete block.

There=E2=80=99s also a compelling wrinkle specific to = MOTS-c: research has shown it can suppress myostatin. Myostatin is a prot= ein the body produces that actively limits how much muscle can grow =E2=80= =94 it functions as a biological brake on muscle development. Lower myost= atin means that brake is loosened, which can support greater skeletal mus= cle growth potential.

Whether this effect is enough to fully offset any mTOR= dampening from AMPK activation is still an open research question =E2=80= =94 but it makes the picture considerably more complex than simply writin= g off MOTS-c as counterproductive to muscle growth.

Scenario 1 =E2=80=94 The Optimal= Approach (If Schedule Allows)

This is the approach that theoretically extracts the m= ost from both MOTS-c and resistance training by keeping the two signals s= eparated.

Step 1 =E2=80=94 Administer MOT= S-c fasted, first thing in the morning.

Step 2 =E2=80=94 =46ollow with = low-to-moderate intensity movement. A walk, steady state cardio, a light = bike ride. Not resistance training. In a fasted state with low-intensity = activity, AMPK is heavily biased and substrate availability is low =E2=80= =94 the body is primed to respond to MOTS-c=E2=80=99s metabolic signals. = This is the environment where its effects on mitochondrial function, fat = oxidation, glucose metabolism, and metabolic flexibility are operating at= full capacity with no interference.

Step 3 =E2=80=94 Remain in a fa= sted or semi-fasted state for roughly 2=E2=80=934 hours. This gives the a= cute AMPK signaling window time to normalize.

Step 4 =E2=80=94 Break the fast= with a solid meal. Protein, carbohydrates, adequate calories. This refue= ls glycogen stores, raises circulating amino acid availability, and shift= s the hormonal environment toward anabolism.

Step 5 =E2=80=94 Train. With MO= TS-c out of the acute signaling window and the body adequately refueled, = resistance training can potently stimulate mTOR without meaningful AMPK i= nterference. The anabolic response to training is uncompromised.

The end result is two clean, well-supported signaling = environments =E2=80=94 one optimized for metabolic and mitochondrial adap= tation in the morning, one optimized for muscle growth later in the day. = Both get their moment.

Scenario 2 =E2=80=94 Morning Adm= inistration Before Resistance Training

Not every researcher has the schedule flexibility for = Scenario 1, and that=E2=80=99s completely fine.

=46or a researcher who can only train in the morning: = administer MOTS-c, train, and don=E2=80=99t overthink it.

The mechanistic concern around AMPK and mTOR is real, = but it is not catastrophic in a practical context. The research subject i= s still going to produce a meaningful training stimulus, still going to d= rive muscle protein synthesis, and still going to see adaptation over tim= e. The myostatin suppression effect from MOTS-c also adds a layer that ma= y partially compensate for any attenuation of mTOR signaling.

Compared to Scenario 1, outcomes on the muscle growth = side may be marginally less optimal =E2=80=94 but results are still being= produced on both fronts. This is not a failure mode. It is a practical, = workable approach for researchers whose schedules demand it.

The Simple Version

Maximum benefit: Administer MOT= S-c fasted in the morning, do light cardio, eat a solid meal a few hours = later, then train.

Constrained schedule: Administe= r MOTS-c and train in the morning anyway. Still worth it.

=46or research use only, not for human consumption= . This is not medical advice or personal advice =E2=80=94 strictly educat= ional.

I want to give a huge shoutout to Coach Cam because he= provided a lot of different perspectives on this through his research as= well.

Questions or thoughts=3F Drop them in the comments= .

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You're= currently a free subscriber to Peptide Price. =46or the full experience, upgrade your subscription.

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=C2=A9 2026 Derek Pruski
548 Market Street PMB 72296, San =46rancisco, CA 94104
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