Vitamin B12 — FDA Daily Value
The FDA Daily Value for Vitamin B12 is 2.4 mcg for adults and children 4 or more years of age — a Reference Daily Intake (RDI), a fixed target not tied to calories. It changes by population group; see the exact numbers below.
Population group
Daily Value
5% DV
20% DV
Adults & children 4+
2.4 mcg
0.12 mcg
0.48 mcg
Children 1–3 years
0.9 mcg
0.05 mcg
0.18 mcg
Pregnant & lactating
2.8 mcg
0.14 mcg
0.56 mcg
Infants 0–12 months
0.5 mcg
0.03 mcg
0.1 mcg
Source: the FDA Daily Values in 21 CFR 101.9 and the FDA's Nutrition Facts label guidance. Cross-check nutrient amounts against USDA FoodData Central.
Example
A serving with 1 mcg of vitamin b12 provides 1 ÷ 2.4 × 100 = 30% DV (High).
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For informational purposes only; verify against § 101.9(c)(8)(iv). · US Nutrition Label Rules v1.3.0 · CFR snapshot 2026-02-12