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A study performed in mice supplemented nutritionally with 400 mg/kg/day of synthetic NR showed an increase in NAD + levels in muscle and liver tissue (Cant et al., 2012)

Furthermore, the ATP and ADP levels in the hippocampus were quantified using the ATP assay kit (Cat #MB-6913A, Enzyme Biotech, China) and ADP assay kit (Cat #MB-6956A, Enzyme Biotech, China)

Journal of Cosmetic Dermatology 4(3):159-165. [doi.org]

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Concentration of 4-6% is better for helping with acne and balancing the sebum production A stable derivative of vitamin C