Log in to your Fidelity Investments or NetBenefits accounts here. Log in to your Fidelity Investments or NetBenefits accounts here. This is a secure transaction.
When it's used as a treatment to increase your HDL cholesterol or correct a vitamin deficiency, niacin is sold in higher doses that are prescribed by your doctor. Prescription-strength niacin includes such drugs as Niacor and Niaspan. Niacin is also available as an over-the-counter supplement.
Nicotinic acid is a B vitamin that is available without a prescription as a vitamin supplement (niacin). The nicotinic acid form of niacin lowers cholesterol, but other forms of niacin do not. These other forms that do not lower cholesterol include nicotinamide and inositol nicotinate (also called no-flush niacin).Ask your doctor how much niacin you should take. You want to take a dose that will work.icotinic acid is used to lower cholesterol and triglycerides. Niacin may not be appropriate for some people who have: 1  Gout. 2  Active stomach ulcer. 3  Oversensitivity to niacin. 4  Glaucoma. 5  Type 2 diabetes and do not have their blood sugar levels controlled.