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Vitamin D3

Other

Vitamin D3

Fat-soluble vitamin involved in calcium homeostasis and bone metabolism. Commonly used as a dietary supplement to prevent or treat vitamin D deficiency.

Mineral or nutrientUpdated Feb 13, 2026
Health score+2.0
-5Good5

Water guidelines

Legal limit
Not specified
Health guideline
100 mcg

Food and supplement guidelines

Legal limit
Not specified
Health guideline
Not specified

Risks

Hypercalcemia and associated toxicity at excessive doses, potential interactions with certain medications

Benefits

Supports calcium absorption, bone health, and immune function

References

Waters containing Vitamin D3

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