Side-by-side comparison of mechanisms, dosing, interactions, and stacking potential.
| BPC-157 | Humanin | |
|---|---|---|
| Category | Peptides | Peptides |
| Standard Dose | Research indicates 250-500 mcg administered 1-2 times daily via subcutaneous injection near the site of injury. | Research indicates dosing remains experimental. Animal studies use 1-10 mcg/day equivalents. Human protocols are not established. |
| Timing | Administer on an empty stomach or near the injury site. No strict meal timing required, though fasted state may improve absorption for oral dosing. | No established timing protocol. Morning dosing suggested for neuroprotective applications. |
| Cycle Duration | Typical cycles range from 4-12 weeks depending on the injury being addressed. | Experimental — no established cycle lengths. |
| Evidence Level | animal_plus_anecdotal | animal_plus_anecdotal |
BPC-157 is a 15-amino acid peptide derived from human gastric juice that promotes angiogenesis via dual VEGFR2-dependent (PI3K-Akt-eNOS) and VEGF-independent (Src-Caveolin-1-eNOS) nitric oxide pathways. It upregulates growth hormone receptor expression, modulates the FAK-paxillin pathway for cell migration, and counteracts damage to the nitric oxide system. Additionally, it enhances tendon fibroblast growth, promotes reticulin and collagen formation, and accelerates wound healing by mediating the NO system's protective functions.
Research indicates 250-500 mcg administered 1-2 times daily via subcutaneous injection near the site of injury.
Administer on an empty stomach or near the injury site. No strict meal timing required, though fasted state may improve absorption for oral dosing.
Typical cycles range from 4-12 weeks depending on the injury being addressed.
Humanin is a 24-amino acid mitochondrial-derived peptide encoded by the 16S rRNA gene of mitochondrial DNA. It binds IGFBP-3 with high affinity (via Phe-6), interfering with IGFBP-3 binding to importin-beta and suppressing IGFBP-3-mediated apoptosis. It also inhibits the pro-apoptotic protein Bax (Bcl-2 family), preventing mitochondrial outer membrane permeabilization and intrinsic apoptosis. Humanin and IGFBP-3 synergistically protect neurons from amyloid-beta-induced apoptosis, and it activates the STAT3 and ERK1/2 pathways for cytoprotection.
Research indicates dosing remains experimental. Animal studies use 1-10 mcg/day equivalents. Human protocols are not established.
No established timing protocol. Morning dosing suggested for neuroprotective applications.
Experimental — no established cycle lengths.
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