Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline

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Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline (1998)
Institute of Medicine (IOM)

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. "Summary." Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline. Washington, DC: The National Academies Press, 1998.

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DRI Dietary Reference Intakes: For Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline

Niacin (mg/d)	B₆ (mg/d)	Folate (µg/d)^a	B₁₂ (µg/d)
12	1.1	320	2.0
30.5	2.31	297	5.60
17.60–50.60	1.25–4.01	148–584	2.90–13.10
25.30	2.02	277	5.22
15.00–45.60	1.16–3.91	163–564	4.42–7.56
12	1.4	320	2.0
21.7	1.89	276	5.10
12.60–35.30	1.01–3.29	137–527	2.40–10.30
20.8	1.72	269	4.99
13.84–35.67	1.02–3.22	163–542	4.45–6.81
11	1.1	320	2.0
17.5	1.38	200	3.45
9.50–29.10	0.76–2.31	100–374	1.67–6.47
19.69	1.54	223	4.77
13.23–33.56	0.93–2.77	145–497	4.27–6.23
11	1.3	320	2.0
16.8	1.41	212	3.32
9.70–26.60	0.76–2.35	105–383	1.49–11.63
18.78	1.53	252	4.74
12.74–30.30	0.92–2.76	152–474	4.37–5.99
foods and supplements: 1 dietary folate equivalent = 1 µg food folate = 0.6 µg of folate from fortified food or as a supplement consumed with food = 0.5 µg of a supplement taken on an empty stomach. ^b SOURCE: Continuing Survey of Food Intakes by Individuals (CSFII) data on B vitamin intake from food, unpublished data, A.Carriquiry, Iowa State University, 1997. ^c SOURCE: Third National Health and Nutrition Examination Survey (NHANES III), 1988–1994, unpublished data on B vitamin intake from food, C.L.Johnson and J.D. Wright, National Center for Health Statistics, Centers for Disease Control and Prevention, 1997.