is astaxanthin better than glutathione Astaxanthin: rejuvenate your skin with this antioxidant active ingredient Which is Better for Skin:

What gets lost in that conversation is the patient

Some medical providers prescribe it to support gut health and intestinal repair (BPC-157 is the primary peptide responsible for those effects.) The rest of the stack (TB-500, Thymosin Alpha-1, and GHK-Cu) can enhance or complement BPC-157s gut-healing benefits, but their roles are secondary.

Supporting the repair of the gut lining, reducing systemic inflammation

[link] Hooshmand MJ, Sontag CJ, Uchida N, Tamaki S, Anderson AJ, Cummings BJ., "Analysis of host-mediated repair mechanisms after human CNS-stem cell transplantation for spinal cord injury: correlation of engraftment with recovery", PLoS One (2009)