1 doctor weighed in:
Are immunity-boosting products helpful?
1 doctor weighed in

Dr. David Shulan
Internal Medicine - Allergy & Immunology
In brief: 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".

In brief: 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".
Dr. David Shulan
Dr. David Shulan
Thank
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