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Rapid escalation increases side effect severity, particularly nausea and gastrointestinal distress
Promoting Healthy Skin, Hair, and Nails B12 is necessary for healthy skin, hair, and nails since it is necessary for cell renewal and reproduction
It inhibits NNMT (nicotinamide N-methyltransferase), an enzyme regulating metabolism, fat storage, and NAD+ consumption.[4][27][6] NNMT methylates nicotinamide, a NAD+ breakdown product, diverting it from recycling and reducing available NAD+
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