Gymnema Sylvestre Extract

The leaves of the plant are used to make the extract. Chewing the leaves suppresses the sensation of sweet. This effect is attributed to the presence of the eponymously named gymnemic acids. G. sylvestre has been used in herbal medicine as a treatment for diabetes for nearly two millennia.

This plant has been used in Ayurvedic medicines for the treatment of diabetes mellitus, eye diseases, snake bite and mycosis of toes. In Japan, Gymnema is currently widely used as health food in tea bags, tablets, beverages and confectioneries. Gymnema suppresses the sweet taste of sugar and inhibit glucose absorption. There are reports that gymnema leaf extracts reduce hyperglycemia in diabetic, rats, rabbits and humans and this glucose lowering effect may be mediated by increase in insulin secretion by direct action on the pancreatic β-cells.

Gymnema sylvestre is a herb which is native to the tropical forests of Southern and Central India and Sri Lanka. Despite the part used being the leaf, one common name of this species is miracle fruit.

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