One vitamin that opens blood vessels and improves circulation
One Vitamin That Can Temporarily Widen Blood Vessels—But There’s a Catch You’ve probably heard that vitamin B3 (niacin) can “open blood vessels” and improve circulation. There’s a little truth behind the claim—but it’s easy to misunderstand. 🌿 What does niacin actually do? At sufficiently high doses, nicotinic acid, a form of niacin, can cause a …









