which is better for skin collagen or glutathione Glutathione vs Collagen: Which is

Not for human or veterinary use, not for diagnostic or therapeutic use, and not for consumption

however, causality has not been established (2,3,5)

And I like it to be at the least under 10, ideally under six

This origin has a profound practical consequence: unlike nearly all other research peptides, the BPC-157 peptide is resistant to hydrolysis and enzymatic degradation in gastric conditions

Unlike other antioxidants that come from food, glutathione is not found directly in food but is produced by the body especially in the liver and must be reassembled starting from cysteine, glycine and glutamine as the final product of the sulphation process