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Hibiscus leaf extract may kill melanoma cancer cells

The polyphenols present in hibiscus leaves may inhibit growth of and destroy melanoma cancer cells without damaging healthy human skin cells, scientists from Taiwan have found. Hibiscus leaf is a rich source of polyphenols which are thought to have hypolipidemic (lipid-lowering) and antioxidant effects.

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Dr. Sears Comments:

Dr. Barry Sears

Unfortunately, few polyphenols ever enter the body. Petri-dish experiments are interesting but not clinically relevant until you can demonstrate significant blood levels upon oral supplementation. Polyphenol extracts from the maqui berry are one of the few polyphenols that have high water solubility.

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