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Pterostilbene is a stilbenoid related to resveratrol chemically, found in small amounts in blueberries and grapes. But the most cost effective source is from the bark and heartwood of a tree in India and Sri Lanka.

Pterostilbene is famous as its great effort to improve human health, fight against the diseases of aging and so on. Many benefits can be proved as below. Pterostilbene for blood sugar and lipid metabolism and as Anti-Cancer Nutrient. Regarding the blood sugar and lipid metabolism, it can prevent elevated blood sugar and insulin resistance from a high fructose diet and can lower total cholesterol, triglycerides, and LDL- and VLDL-cholesterol in diet-induced hyperlipidemia.

With regards to anti-cancer effect, current study shows it can inhibit breast, prostate cancer, colon cancer, lung cancer, liver cancer and skin cancer. Pterostilbene is not known to be toxic to humans so far and can be found on darker grapes having the highest concentrations among the fruit.

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