I agree beenthere, and cancer patients cannot take a lot of other things too. Arginine should also be used with caution or not taken at all by diabetics or people who are easily prone to the herpes virus. But for people who don’t have these health problems arginine is great, especially for PEers.
stiff4ever, a good multivitamin won’t have 500mg vitamin C as far as I know (mainly only a few high potency ones have got that much), but multivitamins usually contain other vitamins and nutrients with antioxidant properties so yes taking a good multivitamin would be enough
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