One vitamin that opens blood vessels and improves circulation
One Vitamin That “Opens Blood Vessels” — What’s the Truth? The vitamin most often associated with blood-vessel widening is vitamin B3 (niacin). Nicotinic acid, a form of niacin, can cause vasodilation and flushing, which makes the skin feel warm or look red. But that doesn’t mean taking niacin is a good way to “improve circulation.” …









