Dietary Reference Intakes for niacin

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For Indians (as nicotinic acid)

Group	Particulars	Body weight (kg)	***RDA (mg/day)
Infants	0-6 months	5.4	710 mcg/kg of body weight
	6-12 months	8.6	650 mcg/kg of body weight
Children	1-3 years	12.2	8
	4-6 years	19.0	11
	7-9 years	26.9	13
Boys	10-12 years	35.4	15
	13-15 years	47.8	16
	16-18 years	57.1	17
Girls	10-12 years	31.5	13
	13-15 years	46.7	14
	16-18 years	49.9	14
Man	Sedentary work	60	16
	Moderate work	60	18
	Heavy work	60	21
Woman	Sedentary work	50	12
	Moderate work	50	14
	Heavy work	50	16
	Pregnant	50	+2
	Lactation-0-6 months	50	+4
	Lactation-6-12 months	50	+3

For U.S. residents

Age	RDA (mg/day)
Infants
0-6 months	2*
7-12 months	4*
Children
1-3 years	6
4-8 years	8
Males
9-13 years	12
14-18 years	16
19-30 years	16
31-50 years	16
51-70 years	16
> 70 years	16
Females
9-13 years	12
14-18 years	14
19-30 years	14
31-50 years	14
51-70 years	14
> 70 years	14
Pregnancy	18
Lactation	17

*AI (adequate intake) values., preformed niacin not NE **As niacin equivalents.1 mg niacin=60 mg tryptophan. ***R.D.A (Recommended Dietary Allowance)