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Supplementation with L-cysteine has been shown to not only increase glutathione levels, but to also upregulate the expression of vitamin D binding proteins, receptors, and enzymes that results in increased vitamin D levels

Its utility shines brightest in studies specifically centered on reducing adipose tissue and improving body composition

This does not mean the retraction proves dihexa is ineffective it means the central evidence for how it supposedly works has been withdrawn from the scientific record

The glutathione metabolism connection is also significant, as this antioxidant helps optimize various metabolic processes that affect energy production and nutrient utilization

(183), showing a similar association in studies from Europe and the United States