Vitamin D
Vitamin D, Natural
- Products
- 1
Upper Intake Level · NIH Office of Dietary Supplements
100 mcg
Tolerable Upper Intake Level (adults, NIH ODS): 100 mcg (4,000 IU)/day.
NIH ODS Health Professional fact sheet →Authorized claims — 4 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
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Calcium absorption
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Maintenance of normal bones
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Normal immune system function
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Normal muscle function
Label dose distribution · 1 labeled products
Min
180 mcg
Typical
180 mcg
Max
180 mcg
Highest labeled dose exceeds the NIH ODS adult UL of 100 mcg (1.8×).
Other forms of Vitamin D
8 sibling forms
Distinct chemical forms sharing the same parent nutrient. Different UNIIs, different bioavailability, different effects — never collapsed.
Top brands carrying Vitamin D, Natural
15 brands rolled up
Products containing Vitamin D, Natural