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Niacinamide (B3) helps mitochondria (the powerhouse of the cell) function more efficiently and prevent metabolic fatigue associated with calorie restriction
Serious side effects are less common but may include pancreatitis, gallbladder problems, kidney problems related to dehydration, allergic reactions, severe stomach problems, low blood sugar in people with type 2 diabetes, vision changes, and a possible risk of thyroid tumors
However, this timeline can vary based on individual factors and usage patterns
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