or weakness, wounds on the feet that heal slowly, significant changes in skin color, or persistent unexplained swelling.
A suddenly cold, pale, painful, or numb limb can indicate an acute interruption of blood flow and requires urgent medical attention.
Sudden chest pain, severe shortness of breath, facial drooping, one-sided weakness, or difficulty speaking also requires emergency medical care.
How Much Niacin Do Adults Need?
Niacin requirements are relatively modest compared with the doses sometimes found in high-strength supplements.
Recommended intake for most adults is approximately 16 milligrams of niacin equivalents per day for adult men and 14 milligrams per day
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