A member asked:

Are immunity-boosting products helpful?

A doctor has provided 1 answer
Dr. David Shulan answered

Specializes in Allergy and Immunology

Usually not: If you have adequate nutrition, supplements rarely help. Zinc with a common cold may help if started early in the infection to shorten the infection. There is a distinct lack of evidence to support most "immunity boosters".

Answered 10/4/2013

5.8k views

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