Vitamin C - Mayo Clinic
2023年8月10日 · Vitamin C (ascorbic acid) is a nutrient your body needs to form blood vessels, cartilage, muscle and collagen in bones. Vitamin C is also vital to your body's healing process. Vitamin C is an antioxidant that helps protect your cells against the effects of free radicals — molecules produced when your body breaks down food or is exposed to ...
Do the benefits of vitamin C include improved mood? - Mayo Clinic
2022年10月8日 · Some studies have shown that people who have lower than normal vitamin C levels found that their mood improved after they received vitamin C. But even for people who aren't known to have low vitamin C levels, taking a vitamin C supplement might help mood. In some studies, participants reported that vitamin C lowered their anxiety levels.
Vitamin B-12 - Mayo Clinic
2024年6月28日 · The recommended daily amount of vitamin B-12 for adults is 2.4 micrograms (mcg). Most people can get enough vitamin B-12 in the foods they eat. But people who follow a vegetarian or vegan diet should eat nutritional yeast and other foods fortified with vitamin B-12. Or they can take a low-dose multivitamin that includes 2.4 mcg of vitamin B-12.
Too much vitamin C: Is it harmful? - Mayo Clinic
2022年4月28日 · The recommended daily amount for vitamin C is 75 milligrams (mg) a day for women and 90 mg a day for men. During pregnancy, 120 mg a day are recommended. The upper limit for all adults is 2,000 mg a day. Although too much dietary vitamin C is unlikely to be harmful, large doses of vitamin C supplements might cause: Diarrhea.
Vitamin D - Mayo Clinic
2023年8月10日 · However, more studies are needed to determine the benefits of vitamin D supplementation for cognitive health. Inherited bone disorders. Vitamin D supplements can be used to help treat inherited disorders resulting from an inability to absorb or process vitamin D, such as familial hypophosphatemia. Multiple sclerosis.
High-dose vitamin C: Can it kill cancer cells? - Mayo Clinic
2023年12月15日 · Interest in using very high doses of vitamin C as a cancer treatment began as long ago as the 1970s when it was discovered that some properties of the vitamin may make it toxic to cancer cells. Initial studies in humans had promising results, but these studies were later found to be flawed. Subsequent well-designed, randomized, controlled ...
Calcium and calcium supplements: Achieving the right balance
2022年11月1日 · To absorb calcium, your body also needs vitamin D. A few foods naturally contain small amounts of vitamin D, such as canned salmon with bones and egg yolks. You can also get vitamin D from fortified foods and sun exposure. The RDA for vitamin D is 600 international units (15 micrograms) a day for most adults.
Ascorbic acid (intravenous route) - Mayo Clinic
2024年2月1日 · Ascorbic acid injection is used to treat scurvy (Vitamin C deficiency) in patients who cannot take the medicine by mouth. It is used for short term treatment (up to 1 week) only. This medicine is to be given by or under the direct supervision of your doctor. This product is available in the following dosage forms: Solution.
Ascorbic acid (oral route) - Mayo Clinic
Description. Vitamins are compounds that you must have for growth and health. They are needed in small amounts only and are usually available in the foods that you eat. Ascorbic acid, also known as vitamin C, is necessary for wound healing. It is needed for many functions in the body, including helping the body use carbohydrates, fats, and protein.
Vitamin E - Mayo Clinic
2023年8月10日 · Vitamin E is a nutrient that's important to vision, reproduction, and the health of your blood, brain and skin. Vitamin E also has antioxidant properties. Antioxidants are substances that might protect your cells against the effects of free radicals — molecules produced when your body breaks down food or is exposed to tobacco smoke and radiation.