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IMMUNE SUPPORT SUPPLEMENT: Our glutathione supplement for men and women helps support normal immune function by maintaining healthy glutathione levels, which naturally decline with age and stress

Neopterin (NEO), a marker of cell-mediated immunity, and biopterin (BIO), an oxidation product of tetrahydrobiopterin (BH4), belong to the group of pteridines ( The pathways of tryptophan (TRP) catabolism and pteridine metabolism have been extensively studied in relation to regression, primarily in depressed adults

Glutathione is one of the primary molecules the body uses to neutralize hydrogen peroxide

DOI: 10.1016/S0140-6736(23)01163-7 Garvey WT, Blher M, Kandler K, Kroese M, Rubino DM, Kushner RF, et al

Aging individuals: Natural DSIP levels decline with age