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V. R. Peyton wrote: > Does anybody else have info on whether B vitamins are helpful or harmful to > PD patients? > Thanks, > Vicki Peyton Vicki, I think the confusion results from the possible drug interactions with Vit B-6. The PDR says that , " Vitamin B-6 in oral doses of 10mg-25mg may reverse the effects of levidopa by increasing the rate of aromatic amino acid decarboxylation. Carbidopa inhibits this action of Vit B-6." This means that if one is taking Sinemet one should not take more than a dose of about 25mg. of Vit B-6. Another source i have, "Prescription for Nutritional Healing" by James Balch, MD, suggests that for Parkinson's Disease one should take "up to 1000 mg/dy of Vit B-6 since---brain dopamine production depends upon Vit-6"(this assumes no Sinemet). And the 1140 page tome by Elson Haas, MD, "Staying Healthy with Nutrition", says that one can safely take 500 mg/day and one can take 1000 mg/day for a short period of time. So---you can make up your own rules. I would say that this means you can try 10-25 mg/day of Vit B-6 if you are on Sinemet and lets say 500 mg/day if you are not. ---Milo Milo V. Anderson, Ph.D. Box 417 Angwin, CA 94508 voice 707 965 2508 fax 707 965 3148 e-mail [log in to unmask]