Niacinamide Dosage

Usual Adult Dose for Niacin Deficiency

US Recommended Daily Allowance (RDA):

• The Food and Nutrition Board defines 1 Niacin Equivalent (NE) as 1 mg niacin or 60 mg of tryptophan (which can be converted to niacin in the body).

Male: 16 mg NE
Female: 14 mg NE
Tolerable Upper Intake Level (UL) (all genders): 35 NE

500 mg tablets: 1 tablet daily

Usual Pediatric Dose for Niacin Deficiency

US Recommended Daily Allowance (RDA):

• The Food and Nutrition Board defines 1 Niacin Equivalent (NE) as 1 mg niacin or 60 mg of tryptophan (which can be converted to niacin in the body).

0 to 6 months: 2 mg Niacin Equivalents (NE)
7 to 12 months: 4 mg NE
1 to 3 years: 6 mg NE
4 to 8 years: 8 mg NE
9 to 13 years: 12 mg NE
14 to 18 years, male: 16 mg NE
14 to 18 years, female: 14 mg NE

Tolerable Upper Intake Level (UL):
0 to 12 months: not established
1 to 3 years: 10 mg NE
4 to 8 years: 15 mg NE
9 to 13 years: 20 mg NE
14 to 18 years (all genders): 30 mg NE

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available

Dose Adjustments

US Recommended Daily Allowance (RDA):

• The Food and Nutrition Board defines 1 Niacin Equivalent (NE) as 1 mg niacin or 60 mg of tryptophan (which can be converted to niacin in the body).

Pregnancy, 14 years and older: 18 mg NE
Lactation, 14 years and older: 17 mg NE

Tolerable Upper Intake Level (UL):
Pregnancy or lactation,14 to 18 years: 30 mg NE
Pregnancy or lactation, 19 and older: 35 NE

Precautions

CONTRAINDICATIONS: Hypersensitivity to the active ingredient

Consult WARNINGS section for additional precautions.

Dialysis

Data not available

Other Comments

Patient advice:

• Flushing can be reduced by taking with food, slowly increasing dose, or developing tolerance.

See also:

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer