Table 1.
Overview of existing Tolerable Upper Intake Levels (ULs) for vitamin B6, in mg/day
| Population group | SCF (2000) | IOM (1998) | EVM (2003) | WHO/FAO (2004) | NHMRC (2006) |
|---|---|---|---|---|---|
| Infants | |||||
| 0–6 months | nd | nd | nd | nd | nd |
| 7–12 months | nd | nd | nd | nd | nd |
| Children and adolescents | |||||
| 1–3 years | 5 (b) | 30 (a) | nd | nd | 15 (a) |
| 4–6 years | 7 (b) | nd | nd | ||
| 4–8 years | 40 (a) | nd | nd | 20 (a) | |
| 7–10 years | 10 (b) | nd | nd | ||
| 9–13 years | 60 (a) | nd | nd | 30 (a) | |
| 11–14 years | 15 (b) | nd | nd | ||
| 14–18 years | 80 (a) , (c) | nd | nd | 40 (a) , (c) | |
| 15–17 years | 20 (b) | nd | nd | ||
| Adults | |||||
| ≥ 18 years | 25 (c) | 10 (d) | 100 | ||
| ≥ 19 years | 100 (c) | 50 (c) | |||
nd: not defined; EVM: UK Expert Group on Vitamins and Minerals; IOM: Institute of Medicine; NHMRC: National Health and Medical Research Council; Australia and New Zealand; SCF: Scientific Committee on Food; WHO/FAO: World Health Organization/Food and Agriculture Organization.
(a)
Extrapolated from the UL for adults on a body size basis and growth considerations (for NHMRC only).
(b)
Extrapolated from the UL for adults on a body weight basis.
(c)
Including pregnant and lactating women.
(d)
0.17 mg/kg bw per day supplemental pyridoxine equivalent to 10 mg/day for a 60‐kg adult.