The publication concluded that Supplementation with a combination of vitamin D and L-cysteine or glutathione precursor, rather than supplementation with vitamin D alone, is beneficial and helps achieve more successful vitamin D supplementation. Study Confirms Significant Effect of Vitamin D Level on Levels of Glutathione, GSSG, and Cysteine A study by Alvarez et al
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In HT, the vitamin D-induced prevention of dendritic cells- dependent T-cell activation and inflammatory cytokines production and the restoration of the anti-inflammatory state through a restoration of the Th17/Treg ratio has been claimed as one of the beneficial mechanisms (68, 69)