Body Recomposition

Lose Fat.
Build Muscle. At Once.

"You can't build muscle in a deficit" is mostly true for natural training without hormonal support. With the right peptide combination, you can genuinely do both — not through magic, but because GH peptides preserve lean mass while GLP-1s drive fat oxidation from a completely different pathway.

Why This Wasn't Possible Before GLP-1s

Traditional recomping required either a very small caloric deficit (so muscle loss was minimal) or a very small surplus (so fat gain was minimal). Either way, the pace was glacial — real body composition change took years.

GLP-1 receptor agonists change this because they drive fat loss through appetite suppression and metabolic mechanisms, not just caloric restriction. Your body isn't starving — it's just preferentially burning fat. That changes the muscle/fat trade-off completely.

Add GH peptides to maintain the anabolic signaling that would normally require a caloric surplus, and you have both processes running simultaneously. The results in clinical trials back this up — tirzepatide subjects maintained lean mass at rates far higher than predicted by the deficit alone.

The Three Mechanisms

Fat Loss Arm

Semaglutide / Tirzepatide / Retatrutide

GLP-1 receptor agonists suppress appetite and drive fat oxidation through multiple pathways: reduced caloric intake, slowed gastric emptying, improved insulin sensitivity, and direct hepatic fat oxidation (especially retatrutide via glucagon agonism). The fat loss is real and measurable — not water weight, not lean mass. Clinical trials consistently show 15–24% body weight reduction with the majority from fat tissue.

Muscle Preservation Arm

CJC-1295 / Ipamorelin + IGF-1 LR3

The primary risk during aggressive fat loss is lean mass loss. In caloric deficit, your body breaks down muscle tissue for fuel. CJC-1295/Ipamorelin maintains elevated GH signaling that preferentially drives fat oxidation and preserves muscle protein. IGF-1 LR3 further amplifies muscle protein synthesis and satellite cell recruitment — you're actively building while simultaneously losing fat. This is the mechanism that makes true recomp possible.

Metabolic Amplification

MOTS-c + SS-31

Mitochondrial peptides are the overlooked layer. MOTS-c activates AMPK, improving metabolic flexibility — your ability to switch between fuel sources. SS-31 targets mitochondrial function directly, increasing ATP output per session and reducing oxidative stress from the elevated training volume that recomp requires. Better mitochondria = more fat burned per hour, and better recovery between sessions.

The Recomp Stack

Core

Semaglutide or Tirzepatide

Titrated per standard GLP-1 protocol

Primary fat loss driver

CJC-1295 / Ipamorelin

100 mcg each, pre-sleep SC

Lean mass preservation + GH pulse
Advanced

IGF-1 LR3

40–100 mcg post-workout

Active muscle building during deficit

MOTS-c

10 mg SC, 3× weekly

Mitochondrial fat oxidation
Recovery

BPC-157

250 mcg daily SC

Joint and tissue protection during high volume

TB-500

2–5 mg SC twice weekly

Systemic injury prevention

What to Expect, Month by Month

Month 1

−3 to 5 lbs fat
Fat
Neutral to slight gain
Lean Mass

Establish GLP-1 baseline, begin CJC/Ipa sleep protocol. Body adjusts to the new appetite and hormonal environment. Don't rush the GLP-1 titration.

Month 2

−4 to 6 lbs fat
Fat
+1 to 2 lbs lean
Lean Mass

Full recomp effect becomes visible. The simultaneous fat loss and muscle preservation starts showing in measurements — scale might not move dramatically but body composition is shifting clearly.

Month 3

−4 to 6 lbs fat
Fat
+1 to 2 lbs lean
Lean Mass

Compound the results. Adjust GLP-1 dose if stalled. Add IGF-1 LR3 cycle if aggressive muscle building is the priority. Optimize training split for peptide timing.

Month 4–6

−3 to 5 lbs fat/month
Fat
Maintained + incremental gain
Lean Mass

Long-term protocol maintenance. Most users at this point have achieved the composition they were targeting and shift to lower maintenance doses of the GLP-1 while continuing the GH peptide stack.

Recomp Stack Peptides