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The constituents help improve the strength and integrity of blood vessels and reduce damage to these vessels associated with diabetes and other diseases, such as atherosclerosis (calcium and fat deposits in arteries). Bilberry extracts also may reduce the tingling sensations in the extremities associated with diabetes. Bilberries help keep platelets from clumping together, which, in turn, thins the blood, prevents clotting, and improves circulation.Several studies have shown that bilberry extracts stimulate blood vessels to release a substance that helps dilate (expand) veins and arteries and improve circulation and wound healing of varicose ulcers.
Bilberry preparations may be of benefit in varicose vein disease and certain eye conditions, including diabetic retinopathy, cataracts, night blindness, and degeneration of the macula, the spot in the back of the eye that enables sharp focusing.
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