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Reducing oxidative stress is important for hair because high free radical activity upregulates the enzyme that converts testosterone to DHT locally, amplifying follicle damage beyond what circulating DHT alone would cause

In a study in animals deficient in vitamin D3, supplementing with vitamin D3 and cysteine (a GSH precursor) restored glutathione levels, increased the bioavailability of vitamin D3, and lowered inflammation.29 Researchers noted that the vitamin D supplements widely consumed by the public are unlikely to be successful unless the GSH status is also corrected.29 In other words, only taking vitamin D isnt enough

This is achieved, in part, by modulating the expression of pro-angiogenic factors such as Vascular Endothelial Growth Factor (VEGF) and Fibroblast Growth Factor 2 (FGF-2)

These are simple to use and provide a form of glutathione thats easily absorbed by the body