8/20/2026
Vital Signs

A simple supplement could help the immune system fight cancer and viruses

Filed by Dr. Iris Vale
A simple supplement could help the immune system fight cancer and viruses
Low arginine levels may allow cancer cells and viruses to slip past the immune system by reducing production of a crucial cellular warning protein. In mice, arginine-rich diets led to fewer colon tumors and milder viral infections, suggesting a simple supplement could have powerful therapeutic potential.
D
Dr. Iris Vale
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A simple supplement could help the immune system fight cancer and viruses — Vital Signs