It works by blocking oestrogen receptors in breast cancer cells, preventing oestrogen from activating the cancer cells to grow further
Louis DN, Perry A, Wesseling P, Brat DJ, Cree IA, Figarella-Branger D, et al
1 2 3 "B Vitamins in the nervous system: Current knowledge of the biochemical modes of action and synergies of thiamine, pyridoxine, and cobalamin"
Studies have demonstrated that 4% niacinamide can significantly reduce melasma severity ( Navarrete-Sols et al., Dermatology Research and Practice, 2011 ), improve moisture retention, and enhance overall texture ( Boo, 2021 )
The latter is superior to the oral route since glutathione passes directly into systemic circulation resulting in a much higher rate of absorption compared to that achieved by oral intake
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