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.

Further information

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

Medical Disclaimer