Should I Take Polyphenol Supplements?

They have numerous health benefits that may offer protection from the development of cancers, cardiovascular disease, osteoporosis, and diabetes. It's best to consume polyphenols through foods naturally containing them, instead of through artificially made supplements, which may come with more side effects.

Are polyphenol supplements effective?

Two recent reviews link polyphenol supplements to lower blood pressure and LDL (bad) cholesterol levels, as well as higher HDL (good) cholesterol ( 14 , 15 ). Another review found a 45% lower risk of death from heart disease in those with higher enterolactone levels, which are a marker of lignan intake.

Are too many polyphenols bad for you?

Some harmful effects have been reported from polyphenol intake. Adverse outcomes have been documented from polyphenolic botanical extracts in beverages, especially for individuals with degenerative disease, high blood pressure, thyroid disease, epilepsy, or heart disease (46).