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VITAMINS

Niacin (amide)

Niacinamide is a non-flushing form of vitamin B3 that supports energy metabolism and healthy skin.

Also known as: vitamin B3, nicotinic acid, niacinamide, nicotinamide, no-flush niacin

At a glance

Form
Niacinamide
Category
Vitamins
In an apiece formula
30 mg a day (you can change it)
Recommended intake
14 mg (women), 16 mg (men)
Upper limit
35 mg a day from supplements and fortified foods
Studied for
Energy & vitality, Skin health*
Reference
NIH ODS: Niacin fact sheet

Who should be careful

Always check with your doctor or pharmacist before adding a supplement if you take medication, are pregnant or nursing, or have a health condition. Stay under the upper limit from all sources combined, including multivitamins.

Other forms of niacin

Compare every form of niacin

Questions

How much niacin a day?

apiece formulas usually include 30 mg a day. The recommended intake for adults is 14 mg (women), 16 mg (men). Upper limit: 35 mg a day from supplements and fortified foods.

What is niacin used for?

Niacinamide is a non-flushing form of vitamin B3 that supports energy metabolism and healthy skin. In apiece it is part of formulas for Energy & vitality, Skin health.*

Who should be careful with niacin?

Most adults can take it at the usual amount, but check with your doctor or pharmacist if you take medication, are pregnant or nursing, or have a health condition.

Can I get niacin in a personalized supplement?

Yes. apiece builds one daily blend around your goals and, if you have them, your lab results. Niacin can be part of it at the amount listed, with every ingredient shown and never more than 10 capsules a day.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This page is general information, not medical advice. Check with your doctor or pharmacist before starting a supplement, especially if you take medication, are pregnant or nursing, or have a health condition. Updated 2026-10-21.