Despite serious safety concerns, periwinkle is used for “brain health” (increasing blood circulation in the brain, supporting brainmetabolism, increasing mental productivity, preventing memory and concentration problems and feebleness, improving memory and thinking ability, and preventing early aging of brain cells).
Periwinkle is also used for treating diarrhea, vaginal discharge, throat ailments, tonsillitis, chest pain, high blood pressure, sore throat, intestinal pain and swelling (inflammation), toothache, and water retention (edema). It is also used for promoting wound healing, improving the way the immune system defends the body, and for “blood-purification.”
A chemical in periwinkle called vincamine can be converted in the laboratory to the compound vinpocetine, which is marketed as a dietary supplement.
How does it work?
Periwinkle can lower blood pressure. It can also help reduce swelling (inflammation) and have a drying (astringent) effect on the tissues.
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