A member asked:

Besides from magnesium, calcium and probiotics supplement . . .what other vitamins are best to take before bed time to boost our immune system.thanks!

A doctor has provided 1 answer
Dr. John Chiu answered

Specializes in Allergy and Immunology

The only vitamin which appears to have some immune regulatory effect is vitamin D3. About 70% of the US population are deficient or insufficient . Most people likely need 2000 u /day as maintenance although the requirement varies greatly.

Answered Oct 22, 2016

3.1k views

Thank

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