Reported side effects are typically mild and transient: BPC-157: Nausea (rare), mild fatigue in the first week, minor injection site redness TB-500: Mild lethargy during the loading phase, transient head rush immediately after injection, injection site discomfort Combined stack: No documented synergistic toxicity in preclinical or clinical observational data The more significant risks relate to sourcing and administration rather than the peptides themselves
However, its metabolism places a significant burden on the livers detoxification and antioxidant systems , particularly through depletion of glutathione
Geng, H
Zhu W, Cheng KK, Vanhoutte PM, Lam KS, Xu A
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