Q:

Which foods are highest in vitamin B3?

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Quick Answer

Tuna, chicken and turkey are among the foods highest in niacin, also known as B3, claims The World's Healthiest Foods. Tuna contains 156 percent of the daily recommended intake of niacin, while chicken and turkey contain 97 and 83 percent, respectively.

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Full Answer

Niacin is a blanket term for a family of compounds with vitamin B3 activity, explains The World's Healthiest Foods. Niacin is essential for converting dietary proteins, fats and carbohydrates into usable energy, as well as synthesizing starch stored in muscle and liver for eventual use as energy. The same enzymes involved in energy metabolism also quench free radicals, protecting the body against excessive tissue damage.

The Food and Nutrition Board recommends 14-18 milligrams of niacin per day for adults, reports Mayo Clinic. A four ounce serving of tuna contains 25.03 milligrams of niacin, while identical servings of chicken and turkey contain 15.55 and 13.32 milligrams, as listed by The World's Healthiest Foods. Other foods high in niacin include salmon, lamb and beef, with a four-ounce serving of each providing 9.02, 8.05 and 7.6 milligrams of niacin, respectively.

Niacin is also available as a general dietary supplement or, with the guidance of a health care professional, treatment for several medical conditions, according to Mayo Clinic.

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