Just Ask Terry

Terry is happy to provide his opinion on diet and nutrition, supplements and lifestyle choices. This information is for educational purposes only. It is not meant to replace the advice of your physician and is not to be considered medical advice, diagnosis or treatment. Should you have any concerns please contact your physician directly.

Q. Dear Terry, “I have heard mixed reviews on a black pepper extract called piperine, and it is in the multivitamin I take every day. Should I switch multivitamins?” —Lena B., Bangor, ME A. Dear Lena, Just for your information, black pepper used as a spice in cooking and flavoring is fine. However, the extract of black pepper, called piperine, can have some negative effects. Piperine is touted for its ability to help substances absorb, which it does. However, once you are taking a substantial dosage, it can have a significant effect on proper liver metabolism. It adversely interacts with a great many prescription medications, including anti-seizure, blood pressure, heart, and cancer drugs. It also can increase the absorption of toxins from the food you eat by its effects in the liver. You should be concerned about using piperine daily as it is certainly not always a health promoting ingredient, and I would avoid it when possible. With so many very good multivitamin and mineral formulas on the market, I would encourage you to choose one that does not include this ingredient. Healthy Regards! Terry . . . Naturally