A member asked:

On cfs & immunity: what rx drugs might help with high susceptibility to viruses? antiviral botanicals had modest results, but little energy level rise

A doctor has provided 1 answer
Dr. John Chiu answered

No miracle: Although studies have shown that those with low vitamin D3 level are more likely to contract viral respiratory disease. I am not aware of any botanical including echinacea having proven anti-viral activities.

Answered 5/7/2017

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