Best peptides for muscle and body composition
The most studied peptides for body composition and muscle, with what each is studied for, its evidence level and its full entry. An educational guide, without doses.
The most studied
| Peptide | Studied for | Evidence level |
|---|---|---|
| CJC-1295 | Body composition, recovery, GH signaling. | Limited human evidence |
| Ipamorelin | Recovery, body composition, sleep. | Limited human evidence |
| IGF-1 LR3 | Muscle growth, recovery. | Limited human evidence |
| MK-677 (Ibutamoren) | Recovery, appetite, sleep, composition. | Human trials available |
| Folistatina (FST) | Muscle development, composition. | Limited human evidence |
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What is the best peptide for body composition and muscle?
There is no single "best" for everyone: it depends on your starting point and goal. The most studied for body composition and muscle are CJC-1295, Ipamorelin, IGF-1 LR3. Compare their mechanism and evidence above, and settle your case with a professional.
Do these pages include doses?
No. This is educational content with references. Dose and protocol are defined by a professional based on your case.
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References
Every entry links to its record on PubMed, the US National Library of Medicine database. Open them and check. We would rather have a reader who verifies than one who takes our word for it.
- Prolonged stimulation of growth hormone (GH) and insulin-like growth factor I secretion by CJC-1295, a long-acting analog of GH-releasing hormone, in healthy adultshuman J Clin Endocrinol Metab · 2006 · PMID 16352683 →
- Pulsatile secretion of growth hormone (GH) persists during continuous stimulation by CJC-1295, a long-acting GH-releasing hormone analoghuman J Clin Endocrinol Metab · 2006 · PMID 17018654 →
- Pharmacokinetic-pharmacodynamic modeling of ipamorelin, a growth hormone releasing peptide, in human volunteershuman Pharm Res · 1999 · PMID 10496658 →
- Prospective, randomized, controlled, proof-of-concept study of the Ghrelin mimetic ipamorelin for the management of postoperative ileus in bowel resection patientshuman Int J Colorectal Dis · 2014 · PMID 25331030 →
- Detection of His-tagged Long-R3-IGF-I in a black market productpreclinical Growth Horm IGF Res · 2010 · PMID 20675162 →
- Biochemical markers of insulin-like growth factor-I misuse in athletes: the response of serum IGF-I, procollagen type III amino-terminal propeptide, and the GH-2000 score to the administration of rhIGF-I/rhIGF binding protein-3 complexhuman J Clin Endocrinol Metab · 2014 · PMID 24606087 →
- Effects of an oral ghrelin mimetic on body composition and clinical outcomes in healthy older adults: a randomized trialhuman Ann Intern Med · 2008 · PMID 18981485 →
- MK-677, an orally active growth hormone secretagogue, reverses diet-induced catabolismhuman J Clin Endocrinol Metab · 1998 · PMID 9467534 →
Educational content. It does not include doses, protocols or preparation: that is defined by a professional.