Potential Side Effects Water retention (GH-related peptides) Joint stiffness or tingling (GH-related peptides) Lethargy (in some sensitive users) Increased appetite (MK-677 in particular) Injection site irritation (rare with proper technique) Legal Disclaimer Peptides such as BPC-157, TB500, and various growth hormone secretagogues are not approved by the FDA for general performance or cosmetic use
Combo versus GHK-Cu GHK-Cu (copper tripeptide) is oriented toward cutaneous wound healing and cosmetics, with a strong axis on dermal collagen synthesis and anti-glycation
Men may suffer testicular atrophy (shrinking), infertility, and gynecomastia (male breast growth), while women can develop masculine features not to mention mood swings (roid rage), acne, and hair loss
With more NAD+ available, a chain of energy-sensing switches (SIRT1, PGC-1) turns on, prompting cells to build more mitochondria and burn more fat for fuel
doi: 10.1038/s41419-023-05716-0 54 LiXTangSWangHLiX