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Niacin

Supports normal growth, development*

How much do I need?

The current recommended daily intake (RDI) for niacin is:

  • Infants, 6 months: 2 mg
  • Infants, 7 months to 1 year: 4 mg
  • Children, 1 to 3 years: 6 mg
  • Children, 4 to 8 years: 8 mg
  • Children, 9 to 13 years: 12 mg
  • Men, 14 to 18 years: 16 mg
  • Women, 14 to 18 years: 14 mg
  • Men, 19 years and older: 16 mg
  • Women, 19 years and older: 14 mg
  • Pregnant women: 18 mg
  • Breastfeeding women: 17 mg

Why we include it

Niacin is an important vitamin that your body uses for development and to help your cells function. It’s one of the B-complex vitamins and is also known as vitamin B3.

We include niacin in many of our SmartyPants supplements to support normal growth and development, energy production and the formation of tissue in your body.*

Your body can make niacin from tryptophan, an amino acid found in some foods, especially those high in protein.

While niacin deficiency is rare, some people can have trouble getting enough of this important vitamin into their diet. We include it in to help fill those nutritional gaps.

Where can I get it?

  • Tuna – 4 oz., 25.03 mg
  • Chicken – 4 oz., 15.55 mg
  • Turkey – 4 oz., 13.32 mg
  • Salmon – 4 oz., 9.02 mg
  • Beef – 1 cup, 1.95 mg
  • Tomatoes – 1 cup, 1.07 mg
  • Peanuts – 3.20 oz., 4.76 mg
  • Sweet Potato – 1 cup, 2.97 mg
  • Carrots – 1 cup, 1.20 mg
  • Asparagus – 1 cup, 1.95 mg
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+ View References - Hide References
  1. AIM-HIGH Investigators. The role of niacin in raising high-density lipoprotein cholesterol to reduce cardiovascular events in patients with atherosclerotic cardiovascular disease and optimally treated low-density lipoprotein cholesterol Rationale and study design. The Atherothrombosis Intervention in Metabolic syndrome with low HDL/high triglycerides: Impact on Global Health outcomes (AIM-HIGH). Am Heart J. 2011 Mar;161(3):471-477.e2.
  2. Brown BG, Zhao XQ, Chalt A, et al. Simvastatin and niacin, antioxidant vitamins, or the combination for the prevention of coronary disease. N Engl J Med. 2001;345(22):1583-1592.
  3. Guyton JR. Niacin in cardiovascular prevention: mechanisms, efficacy, and safety. Curr Opin Lipidol. 2007 Aug;18(4):415-420.
  4. Zhang XM, Jing YP, Jia MY, Zhang L. Negative transcriptional regulation of inflammatory genes by group B3 vitamin nicotinamide. Mol Biol Rep. 2012;39(12):1036-1071.
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