Vitamin D2 may impair the more efficient virus-busting vitamin D3

Vitamin D2 Impacts on Vitamin D3

People taking vitamin D2 supplements may unintentionally lower their vitamin D3 levels, which is more efficient in fighting off viruses and bacteria.

Vitamin D3 is the type of vitamin D that the body naturally produces through sunlight exposure and utilizes most effectively to boost overall vitamin D levels.

Researchers examined data from controlled trials and found that taking vitamin D2 led to a reduction in vitamin D3 levels.

Author's summary: Vitamin D2 supplements may lower vitamin D3 levels.

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Diabetes.co.uk Diabetes.co.uk — 2025-10-15

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