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Absorption Kinetics of berberine and dihydroberberine and their impact on glycemia: a randomized, controlled, crossover pilot trial
High-dose supplements of vitamins C and E, low-dose multivitamins, and the risk of age-related cataract: a population-based prospective cohort study of men
J Neurosci 31 , 39043913, (2011)
Exposure to ultraviolet light can trigger melanocytes in the skin to produce melanin, leading to an increased amount of pigment in the skin and an overall darker complexion as well as the potential development of sun spots, dark spots, and melasma
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