Best Peptide Stack for Muscle Growth

10x more potent IGF-1 variant with very short half-life. Inject directly into target muscle for localized growth before it clears.

Long-lasting growth hormone booster. The DAC modification keeps it active for days, producing steady GH elevation for muscle growth, fat loss, and recovery.

Stronger GH release than GHRP-6, with more moderate appetite increase. Raises both GH and IGF-1, though it can slightly bump cortisol and prolactin.

Modified IGF-1 with extended half-life. Can create new muscle cells (not just enlarge existing ones), making it one of the most potent muscle-building peptides.

Blocks myostatin — the protein that caps muscle growth. May allow muscles to grow beyond typical limits, though human data is very limited.

Pre-mixed Ipamorelin + CJC-1295 combo. Works through complementary pathways for strong, clean GH release. The gold standard starter stack for GH optimization.

Long-lasting growth factor released when muscles are damaged during exercise. Activates dormant muscle stem cells for repair and growth. Best used post-training.

Shorter-acting GH booster that releases growth hormone in natural pulses. Clears faster without DAC, so it's usually paired with another GH peptide for stronger effect.

One of the cleanest GH boosters. Stimulates growth hormone release without affecting cortisol or prolactin, meaning fewer side effects than other GH peptides.