Salacia oblonga is an herb commonly used in traditional Ayurvedic medicine to treat diabetes and obesity. Researchers fed 66 people with type 2 diabetes test meals on three separate occasions. Study participants were given a high-carbohydrate liquid meal or the liquid meal plus Salacia oblonga (S. oblonga) at a dosage of either 240 milligrams (mg) or 480 mg.
Result: Compared with the control meal alone, the 240-mg dose of S. oblonga lowered blood sugar by 14%...and the 480-mg dose lowered it by 22%. The amount of insulin, a hormone that regulates blood sugar, produced in response to the meal was reduced by 14% and 19%, respectively (high insulin contributes to inflammation in the body). These reductions were especially impressive given the high-carb meal (carbs raise blood sugar and insulin).
This herb prevents carbohydrates from being broken down in the digestive tract, allowing less glucose into the bloodstream-and resulting in lower blood glucose and insulin levels. Studies have shown it to be safe, and side effects are uncommon. People who have mild-to-moderate elevation in glucose levels, as well as those with diabetes, should talk to their doctors about S. oblonga.
Note: Three of the study authors are employed by Abbott Laboratories, which funded the research. However, two other studies with humans also have shown the benefits of S. oblonga.
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