A: It is a short chain of amino acids (a peptide) studied for effects on inflammation control and tissue repair processes, based on a fragment associated with gastric juice
Prevent anaemia
If someone has more of the inactive, or oxidized, form of glutathione (GSSG), then it tells me we need to help the body convert the oxidized glutathione into reduced glutathione, which could be done with supplements like milk thistle, selenium, alpha lipoic acid, B vitamins, and taurine
the State Key Laboratory of Drug Research (SKLDR-2023-TT-04 to HEX)
Tendons are notoriously slow to heal because they barely have a blood supply, so it was striking when researchers cut a rat's Achilles tendon clean through, gave it BPC-157, and described a full recovery "the reestablishment of full tendon integrity." Again, in a rat [5]
There's no notable contact-allergy signal for topical glutathione in the literature but patch-testing before first use is still sensible for those with sensitive skin