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2023年11月30日 · Hemoglobin, a protein found in your red blood cells, carries that oxygen to the rest of your body as your blood circulates through your arteries. It then carries carbon dioxide (CO2) through your...
2023年9月19日 · What Do My Results Mean? 4 min read. This test checks the amount of certain antibodies called immunoglobulins in your body. Antibodies are proteins that your immune cells make to fight off...
Niacin deficiency is a condition that occurs when a person doesn't get enough or can't absorb niacin or its amino acid precursor, tryptophan. In the United States, niacin deficiency is...
- 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...
2023年9月20日 · 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 ...
2024年1月25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...
2023年11月14日 · How Is a Ferritin Blood Test Performed? 5 min read. What Is a Ferritin Blood Test? A ferritin test measures the amount of a blood protein called ferritin, which stores iron. Think of your body...
