Aside from treating niacin deficiency, high doses of niacin — typically 500 milligrams or higher — have been used to treat high cholesterol. According to MedlinePlus, doses this high are typically sold as prescription products.

Mar 21, 2025 · Niacin is a B vitamin the body makes. The body uses niacin to turn food into energy. It helps keep the nervous system, digestive system, and skin healthy. People may take niacin, also called vitamin B-3, as part of a daily multivitamin. But most people get enough niacin from the food they eat. Foods rich in niacin include yeast, milk, meat, and ...

Mar 1, 2024 · Niacin is used to lower blood levels of "bad" cholesterol (low-density lipoprotein, or LDL) and triglycerides, and increase levels of "good" cholesterol (high-density lipoprotein, or HDL). Niaspan is used to lower the risk of a heart attack in people who have high cholesterol and who have a history of heart attacks.

May 22, 2024 · Vitamin B3 is also known as niacin. Having enough niacin in the body is important for general good health because your body uses it to turn food into energy. B3 is also essential for the health...

Nov 16, 2022 · Niacin is an essential form of vitamin B that your body needs for proper cell function. Some people take niacin for health reasons, including heart disease and Alzheimer's disease. However, research is limited, and insufficient evidence supports it for these uses.

Mar 13, 2018 · Prescription niacin is used to reduce the levels of cholesterol and triglycerides (fatty substances) in your blood, and decrease your risk of a heart attack. It works along with diet, exercise,...

Niacin is used with a proper diet and exercise program to help lower "bad" cholesterol and fats (LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood. It is generally used after...

Niacin is used with a proper diet and exercise program to help lower "bad" cholesterol and fats (LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood. It is generally used after...

Apr 1, 2025 · Adults—500 to 2000 milligrams (mg) one to three times a day. Children—Use and dose must be determined by your doctor. For oral dosage form (extended-release tablets): Adults and children older than 16 years of age—At first, 500 milligrams (mg) per day, taken at bedtime.

Nicotinic acid and nicotinamide are the two most common forms of niacin in supplements. Some niacin-only supplements contain 500 mg or more per serving, which is much higher than the RDA for this nutrient .