Injectable Protocol (Systemic + Gut) For users who want systemic delivery alongside gut-targeted action: Loading Phase (Weeks 1 to 4): BPC-157: 250 to 500 mcg per day, subcutaneous injection (abdomen) KPV: 200 to 500 mcg per day, subcutaneous injection (abdomen) Maintenance Phase (Weeks 5 to 8): BPC-157: 250 mcg per day KPV: 200 to 300 mcg per day Extended Stack Options For enhanced regenerative effect beyond gut health, some practitioners add: TB-500: 2 to 2.5 mg twice weekly adds systemic cell migration and tissue remodeling for broader recovery GHK-Cu: 1 to 2 mg per day subcutaneous adds collagen production support and wound healing acceleration Timing and Administration Notes For oral gut-focused use, some users dose BPC-157 in the morning and KPV in the evening to maintain continuous coverage throughout the day
IGF-1 LR3 Best for: muscle hyperplasia and lean-mass gain in bodybuilding-oriented peptide research IGF-1 LR3 is a synthetic, long-acting analog of insulin-like growth factor 1 (IGF-1), the peptide hormone that mediates most of growth hormone's tissue-building effects
doi: 10.1186/1471-2172-13-2 52 BakheetSAAnsariMANadeemAAttiaSMAlhoshaniARGulGet al
By stimulating these receptors, retatrutide can reduce appetite and increase feelings of fullness after eating, helping you consume fewer calories
Theres no clear winnermost claims of superiority are anecdotal
