Niacin what is the recommended dose

A prescription for this medication is refillable. You should not need a new prescription for this medication to be refilled. Your doctor will write the number of refills authorized on your prescription. This monitoring may be done using three tests:. This can reduce your risk of flushing reddening and warming of your face. There are other drugs available to treat your condition. Some may be better suited for you than others. Talk to your doctor about other drug options that may work for you.

Disclaimer: Healthline has made every effort to make certain that all information is factually correct, comprehensive, and up-to-date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or other healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects.

The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses. High doses of niacin can cause niacin flush, which appears as red skin that may itch or burn. Vitamin D has numerous health benefits, but it's tricky to know which supplement to choose.

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Health Conditions Discover Plan Connect. Niacin, Oral Tablet. Prescription niacin is available as a generic drug and as brand-name drugs. Brand names: Niacor, Niaspan. Niacor comes as an oral tablet, and Niaspan comes as an oral extended-release tablet. Generic niacin comes in both forms. 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, and weight loss. Important warnings. What is niacin? Niacin side effects. Click here to find out more about vitamin B-3 deficiency.

In the past, some people have combined vitamin B-3 with statin use as a treatment to control cholesterol. However, research into this has produced mixed results, and some people have had adverse effects. For this reason, the American College of Cardiology and the American Heart Association do not recommend using this treatment.

The amount of vitamin B-3 found in food does not cause side effects. However, taking high doses of vitamin B-3 as a supplement can result in adverse effects.

On this basis, those who eat a well-balanced diet will tend to consume enough niacin in their food. Vitamin B supplements are available to purchase online , but people should check first with a doctor to make sure they are safe to take. The following foods are good sources of vitamin B Foods that are high in tryptophan are good sources of niacin.

The body needs tryptophan to make protein, but if there is extra, it can convert it to niacin. In countries where corn and rice are the main sources of nutrition , pellagra is still a public health problem. Corn and rice have low levels of vitamin B. In , the U. Public Health Service asked Dr. Joseph Goldberger to go to the South of the country to investigate and deal with pellagra.

Rates of pellagra were much higher in the southern states than in the north. Goldberger inspected prisons, psychiatric hospitals, and orphanages. He found that pellagra rates among the children, prisoners, and patients were considerably higher than rates among the staff, and he concluded that pellagra was not an infection, but that it was probably related to diet.

In , scientists confirmed the niacin connection. Niacin can both prevent and cure pellagra. Now, pellagra is rare in the U. Vitamin E oil is thought to have benefits for a wide range of skin and nail conditions, including treating dry skin, preventing skin cancer, treating…. A severe niacin deficiency has been associated with cognitive decline such as memory loss and dementia.

Niacin is believed to protect brain cells from stress and injury. It is not yet clear though if smaller variations in dietary niacin intake can negatively affect brain function. Niacin is available as a supplement in the form of nicotinic acid or nicotinamide.

Sometimes the amounts in supplements are far beyond the RDA, causing unpleasant side effects of flushing. Niacin supplements are also available as a prescription medicine that is used to treat high cholesterol; this typically comes in an extended release form of nicotinic acid that allows slower, more gradual absorption so that it does not cause flushing. Because of the very high doses of nicotinic acid needed, up to 2, mg daily, this supplement should only be used when monitored by a physician.

A niacin deficiency is rare in the United States and other industrialized countries because it is well-absorbed from most foods with the exception of some cereal grains in which niacin is bound to its fibers, decreasing the absorption and is added to many foods and multivitamins.

Other signs of severe niacin deficiency include:. Toxicity when eating foods containing niacin is rare, but can occur from long-term use of high-dose supplements. A reddened skin flush with itchiness or tingling on the face, arms, and chest is a common sign. Flushing occurs mainly when taking high-dosage supplements in the form of nicotinic acid, rather than nicotinamide. B Vitamins Vitamins and Minerals. The contents of this website are for educational purposes and are not intended to offer personal medical advice.

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