Vitamin B3, also known as niacin, plays a vital role in expanding blood vessels, which enhances blood flow throughout the body, including the legs and feet. Niacin helps decrease bad cholesterol (LDL) and boost good cholesterol (HDL), which contributes to healthier arteries and better circulation. It also encourages the function of endothelial cells, which line the blood vessels and help control blood pressure and vessel dilation.
People with poor circulation often have narrowed or stiff blood vessels. By expanding these vessels, niacin allows blood to flow more freely, decreasing the risk of clots, swelling, and numbness in the lower extremities. Some patients even report a “niacin flush”—a temporary warming or tingling sensation—as blood flow increases, particularly in the limbs.
Other Helpful Vitamins
While Vitamin B3 is especially effective, other vitamins also encourage circulation:
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