protein.
Is Niacin Deficiency Common?
Severe niacin deficiency causes a condition known as pellagra and is relatively uncommon where people have access to adequate nutrition.
Deficiency can occur in particular circumstances involving severe malnutrition, malabsorption, certain medical disorders, or other nutritional problems.
Someone experiencing leg symptoms or suspected circulation problems should therefore not assume that inadequate vitamin B3 is responsible.
Getting enough vitamin B3 from food is usually straightforward; the greater concern begins when nutritional amounts are replaced by high-dose supplements marketed as a shortcut for better circulation.
High-Dose Niacin Is Different From Dietary Niacin
The amount of niacin obtained
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