supplements can cause significant side effects.
Understanding what vitamin B3 actually does—and where its benefits end—is especially important before considering supplements.
What Is Niacin (Vitamin B3)?
Niacin is a water-soluble B vitamin required for normal cellular function. The body uses it to produce compounds known as NAD and NADP, which participate in hundreds of biochemical reactions.
These processes are involved in converting food into usable energy, maintaining normal cellular metabolism, repairing DNA, and supporting numerous functions throughout the body.
Vitamin B3 occurs mainly in two forms used in foods and supplements: nicotinic acid and nicotinamide, also called niacinamide.
Although both
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