8legs: Matthew badgett

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health17h ago

We Asked a Doctor If Vitamin D Can Really Support Your Immune System

Vitamin D can act as an immunomodulator, helping activate immune cells while balancing responses.
Higher vitamin D levels are linked to better infection outcomes in some studies, though results are mixed.
Safety first: protect against vitamin D toxicity by avoiding multiple supplements and checking levels.
Daily supplements are preferred over weekly mega-doses for consistency.
Typical supplement ranges span from 400 IU to 5,000 IU for several months to raise serum levels.
Authors advise consulting a physician to tailor vitamin D type and dosage per individual needs.
Vitamin D sources include fatty fish, egg yolks, cheese, and fortified foods.
The article cites CDC and NIH as sources for supporting information on immunity and vitamin D.
The report notes evidence is more correlational than causal and highlights need for individualized assessment.
The piece emphasizes winter-related vitamin D level drops due to reduced sunlight exposure.

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