Robuta

https://pubmed.ncbi.nlm.nih.gov/4069036/ Vitamin C: the nontoxic, nonrate-limited, antioxidant free radical scavenger The amount of oral ascorbic acid that a patient can tolerate without diarrhea, increases somewhat proportionately to the "toxicity" of his disease. Clinically,... vitamin cfree radicalnontoxiclimitedantioxidant