Vitamin C - Mayo Clinic
WEBAug 10, 2023 · 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 …
Too much vitamin C: Is it harmful? - Mayo Clinic
WEBApr 28, 2022 · 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.
High-dose vitamin C: Can it kill cancer cells? - Mayo Clinic
WEBDec 15, 2023 · 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 ...
Vitamin B-12 - Mayo Clinic
WEBJun 28, 2024 · 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 …
Vitamin D - Mayo Clinic
WEBAug 10, 2023 · Vitamin D is a nutrient your body needs for building and maintaining healthy bones. That's because your body can only absorb calcium, the primary component of bone, when vitamin D is present. Vitamin D also regulates many other cellular functions in your body. Its anti-inflammatory, antioxidant and neuroprotective properties support immune ...
Ascorbic Acid (Oral Route) Proper Use - Mayo Clinic
WEBFor the U.S. Adult and teenage males—50 to 60 milligrams (mg) per day. Adult and teenage females—50 to 60 mg per day. Pregnant females—70 mg per day. Breast-feeding females—90 to 95 mg per day. Smokers—100 mg per day. Children 4 to 10 years of age—45 mg per day. Children birth to 3 years of age—30 to 40 mg per day.
Methenamine (Oral Route) Proper Use - Mayo Clinic
WEBFor the treatment of urinary tract infections: For oral dosage form (methenamine hippurate tablets): Adults and children 12 years of age and over—1 gram two times a day. Take in the morning and the evening. Children up to 6 years of age—Use and dose must be determined by your doctor. Children 6 to 12 years of age—500 milligrams (mg) to 1 ...
Vitamin B-6 - Mayo Clinic
WEBAug 10, 2023 · A vitamin B-6 deficiency is usually coupled with deficiency in other B vitamins, such as folic acid (vitamin B-9) and vitamin B-12. The recommended daily amount of vitamin B-6 for adults 50 and younger is 1.3 milligrams. After age 50, the recommended daily amount is 1.5 milligrams for women and 1.7 milligrams for men.
Vitamin A - Mayo Clinic
WEBVitamin A (retinol, retinoic acid) is a nutrient important to vision, growth, cell division, reproduction and immunity. Vitamin A 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 ...
Dietary supplements for erectile dysfunction: A natural treatment …
WEBFeb 9, 2023 · Ginseng. One study of Panax ginseng showed it improved sexual function in men with erectile dysfunction. A cream preparation is used for premature ejaculation. Panax ginseng contains many active ingredients. It appears to be safe used on a short-term basis. Insomnia, headaches and vertigo are common side effects.