Research Comparison

CJC-1295 vs Tesamorelin

CJC-1295 is a long-acting growth hormone-releasing hormone (GHRH) analog that functions as a potent stimulator of the GH/IGF-1 axis. Evidence from our corpus suggests its efficacy in achieving sustained hormonal elevation, with preclinical studies demonstrating its ability to restore normal growth in GHRH-deficient models. Tesamorelin, also a GHRH analog, has shown efficacy in managing HIV-associated lipodystrophy by improving body composition, specifically reducing visceral fat and hepatic fat. Studies also suggest Tesamorelin may improve neurocognitive function in HIV patients with abdominal obesity. Both peptides are subject to anti-doping scrutiny due to their potential as performance-enhancing drugs.

3 head-to-head · 25 on CJC-1295 · 36 on Tesamorelin · synthesis via gemini-2.5-flash

At a glance

  CJC-1295 Tesamorelin
Drug class ghrh analog ghrh analog
Studies in corpus 25 36
Highest evidence tier rct meta analysis
Evidence tier mix in vitro · 6 preclinical animal · 2 rct · 2 other · 13 review · 1 case report · 1 other · 11 cohort · 2 rct · 12 preclinical animal · 2 review · 3 meta analysis · 1 in vitro · 2
Studies with explicit sample size 0 1
Head-to-head studies in corpus 3

Head-to-head studies

Studies in our corpus that mention both CJC-1295 and Tesamorelin — the gold-standard direct comparison evidence.

Where they differ

No direct head-to-head trials in our corpus. Indirect comparison only. While both CJC-1295 and Tesamorelin are GHRH analogs, their primary clinical applications, based on the studies indexed here, appear to diverge. CJC-1295 is highlighted for its long-acting properties and its ability to provide sustained elevation of GH/IGF-1, with preclinical studies showing its potential for treating growth hormone deficiency. One study on CJC-1295 for HIV-associated visceral obesity was terminated early, leaving its efficacy in that specific indication unconfirmed. Tesamorelin, on the other hand, has more robust evidence in our corpus specifically for the treatment of HIV-associated lipodystrophy, demonstrating improvements in body composition, visceral fat reduction, and potential neurocognitive benefits. Reviews in our corpus indicate that both peptides, along with others, currently lack robust human orthopaedic evidence for routine use. Detection methods for both peptides as prohibited substances in sports are also a focus of research.

Synthesized from corpus by gemini-2.5-flash · 2026-05-22 · Not a substitute for direct clinical advice.

Top studies per peptide

Vendor data

Looking for vendor-level purity, endotoxin, and HPLC data on CJC-1295 or Tesamorelin? TitrateLab tracks Certificate-of-Analysis records from the major peptide labs (Janoshik, BCC, Auxlabs) alongside the research above. Cross-reference vendor batches against the studies on this page.

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