Skip to content
Recomp Lab

Building muscle and losing fat, on the evidence.

Evidence-first, no-hype answers on building muscle and losing fat: what the research on peptides, GLP-1s, training, and protein actually shows, and what it doesn't. How we verify

Featured

A lifter in a dark hooded sweatshirt, seen from behind with a loaded barbell across the shoulders in a squat rack in a dark gym, edged in orange light.

Muscle Growth

Growth hormone peptides for physique: what they do, and what the evidence shows

A straight, sourced read on growth hormone peptides for physique: what CJC-1295 and ipamorelin actually do, why the best evidence says growth hormone changes body composition without making you stronger, the side effects, what lifters report, and the better-studied levers for keeping muscle while you lean out.

Read the guide

Explore the evidence

Guides filed by the substance they cover and the goal they serve.

By substance

By goal

What the community is saying

All Community Insights

Automated, neutral summaries of public social-media discussion, focused on physique and body composition. Anecdotal reports, kept separate from our research coverage, not medical advice.

CJC-1295

5 themes from 17 public posts on X

Jul 13, 2026 to Jul 19, 2026

Read the CJC-1295 summary

  • What do people say about CJC-1295 for muscle recovery and physique gains?

    Users report faster recovery between training and physique changes when running CJC-1295, though these accounts are anecdotal and sometimes tied to large peptide stacks.

  • Do people stack CJC-1295 with Ipamorelin for growth hormone and body composition?

    Many users describe pairing CJC-1295 with Ipamorelin as a popular growth hormone stack aimed at recovery and body composition, though most discussion is promotional rather than detailed on results.

  • What side effects do people report from CJC-1295?

    Users report side effects from CJC-1295 including facial flushing, disrupted sleep, and bloodshot eyes, and some cite trial data noting adverse events in most participants.

Latest