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Vitamin D

Vitamin D is a fat-soluble vitamin made in the skin from sunlight and also present in oily fish

Bone Health & Density

50

XP

Supports bone mineral density and reduces fracture risk, particularly when combined with calcium. 1, 2

Immune Resilience

30

XP

Supports immune function, with benefits primarily seen in individuals with low vitamin D status. 3, 4

Mood & Depression

30

XP

Improves mood slightly, particularly in individuals with vitamin D deficiency, with mixed evidence overall. 5, 6

XP combines how reliable the research is with how much difference it usually makes. Read more.

Reliable Impact

Limited Impact

Moderate Impact

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recommended products

Carefully selected from the world’s most trusted supplement brands

Thorne

Vitamin D-3 (5,000 IU)

Quality Score

4.9

 / 5

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Amazon
Thorne

NOW

Vitamin D-3 (5000 IU)

Quality Score

3.9

 / 5

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Available options

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Amazon
iHerb

Quality Score

Based on manufacturing standards, testing, certifications, and transparency. Read more.

Authority

Personalities who have claimed to use this supplement in the past

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Andrew Huberman

Neuroscientist

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Bryan Johnson

Entrepreneur

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Dave Asprey

Entrepreneur

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