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2024年1月27日 · Niacin is a form of vitamin B3 made in the body from tryptophan. It's found in many foods including meat, fish, milk, eggs, green vegetables, and cereals. Niacin is required for the proper...
- Benefits
- Medical uses
- Risks
- Administration
- Definition
- Treatment
Having enough niacin, or vitamin B3, in the body is important for general good health. As a treatment, higher amounts of niacin can improve cholesterol levels and lower cardiovascular risks. Niacin has other benefits. There's good evidence that it helps reduce atherosclerosis, or hardening of the arteries in some people. For people who have already...
As a cholesterol treatment, there are good studies showing that niacin can boost levels of good HDL cholesterol and lower triglycerides. Niacin also modestly lowers bad LDL cholesterol. It's often prescribed in combination with statins for cholesterol control, such as Crestor, Lescol, or Lipitor.
However, niacin is only effective as a cholesterol treatment at fairly high doses. These doses could pose risks, such as liver damage, gastrointestinal problems, or glucose intolerance. So don't treat yourself with over-the-counter niacin supplements. Instead, get advice from your health care provider, who can prescribe FDA-approved doses of niacin...
Since niacin can be used in different ways, talk to your health care provider about the best dosage for you.
Everyone needs a certain amount of niacin -- from food or supplements -- for the body to function normally. This amount is called the dietary reference intake (DRI), a term that is replacing the older and more familiar RDA (recommended daily allowance). For niacin, the DRIs vary with age and other factors:
If your doctor prescribes niacin, you might want to take it with food. This can prevent upset stomach. To reduce flushing -- a harmless but uncomfortable side effect of niacin that describes redness and warmth in the face and neck -- your health care provider might recommend taking niacin along with aspirin, an NSAID painkiller, or an antihistamine...
Many fortified foods, such as breakfast cereals and milk, contain B3, but other food sources naturally have B3. The following foods are excellent sources of niacin: 1.Liver
Here’s how to understand your systolic blood pressure number: Normal: Below 120. Elevated: 120-129. Stage I: high blood pressure (also called hypertension): 130-139. Stage II: hypertension: 140 or...
While they are more likely to experience pain than the general population, in many cases, older adults are under-treated. Many older adults feel pain is just a natural part of aging and don't tell...
In adults, your normal range of lymphocytes is between 1,000 and 4,800 lymphocytes in every 1 microliter of blood. In children, the normal range of lymphocytes is between 3,000 and 9,500 ...
This test checks the amount of certain antibodies called immunoglobulins in your body. Antibodies are proteins that your immune cells make to fight off bacteria, viruses, and other harmful...