Vitamin B12
Vitamin B12, Natural
- Products
- 2
Upper Intake Level · NIH Office of Dietary Supplements
No UL
Tolerable Upper Intake Level (adults, NIH ODS): No UL established (low toxicity).
NIH ODS Health Professional fact sheet →Authorized claims — 3 effects per authority
What this ingredient does
Function claims officially authorized by EFSA NDA Panel, FDA, or NIH ODS. Each card links to the source opinion + the claim ID in the EU/US regulatory register.
↑ Supports / contributes to
↑
Normal energy-yielding metabolism
↑
Normal formation of red blood cells + hemoglobin
LOINC 789-8· lab-measurable
↓ Reduces
Label dose distribution · 2 labeled products
Min
6 mcg
Typical
6 mcg
Max
6 mcg
Other forms of Vitamin B12
5 sibling forms
Distinct chemical forms sharing the same parent nutrient. Different UNIIs, different bioavailability, different effects — never collapsed.
Top brands carrying Vitamin B12, Natural
15 brands rolled up
Products containing Vitamin B12, Natural