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Topical glutathione can help improve skin brightness and evenness, but its effectiveness for significant skin lightening is limited compared to oral or injectable forms

B3 (niacin) Niacin : plays a rolein cellular signaling, metabolism, and DNA production and repair

A meta-analysis of nine randomised trials in 591 women with PCOS found significant reductions in HOMA-IR, total cholesterol, and triglycerides, with no clear effect on luteinising hormone, total testosterone, or sex hormone binding globulin

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