glutathione system selenium is part of the peroxidase enzyme family: Discoveries and mechanism Selenium as an Antioxidant: Roles – and PQQ Hallelujah Diet Glutathione Promoter /

Topical concentrations reported in studies and commercial formulations vary, with published and commercial use spanning a broad range (typically 0.1% to 5%), applied once or twice daily to the skin or scalp [2]

DOI: 10.1038/s41467-017-00931-8 Kriebs, A., Jordan, S.D., Soto, E., Henriksson, E., Sandate, C.R., Vaughan, M.E., Chan, A.B., Duglan, D., Papp, S.J., Huber, A.L., Afetian, M.E., Yu, R.T., Zhao, X., Downes, M., Evans, R.M., Lamia, K.A

10.1111/j.1469-7580.2008.00998.x 153 LiX.LeoB

H Tr H Min Dch Hot ng n nh Glutathione ng vai tr quan trng trong vic duy tr hot ng ca cc t bo min dch, bao gm t bo lympho T v t bo NK (Natural Killer)

This fits the science: BPC-157 uses signaling pathways that stop responding once they reach a certain level