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Gail B. Post wrote: > Somewhere I recall reading about a problem for PD with too much of some > vitamins, but cannot recall. I believe it was B vitamins Dear Gail, People taking levodopa (Dopar) alone are advised to limit use of vitamin B6 to less than 5 mg per day, as B6 interferes with the drug. However, the levodopa/carbidopa combination (Sinemet, Sinemet CR) does not have this prohibition; carbidopa blocks the effects of B6 on levodopa. I agree with your caution regarding moderation in use of vitamin/mineral supplements. Best, Kathrynne -- Kathrynne Holden, MS, RD Editor-in-Chief, "Spotlight on Food--nutrition news for people 60-plus" Tel: 970-493-6532 Fax: 970-493-6538 http://www.fortnet.org/~fivstar You may wish to contact: Better Business Bureau of the Mountain States, < [log in to unmask]> for further information.