As for complement C4 (C4) and interferon- (IFN-), the two parameters showed no significant change
Relevance to unusual thiol pKa values in proteins of the thioredoxin family, J
Before you buy (recommended reading): Most bad experiences reported with peptides come down to dosing, handling, legality, or purity, not just the compounds themselves
This distinguishes BPC-157 from, for example, therapeutic testosterone (see our guide on BPC-157 and testosterone cypionate) or certain corticosteroids, which have established TUE pathways because they exist as licensed pharmaceutical products with documented medical applications and regulatory approval
Rare risks include copper sensitivity or toxicity with prolonged use which is why we monitor copper levels with periodic blood tests