Vitamin C - Mayo Clinic
Aug 10, 2023 · Vitamin C is found in citrus fruits, berries, potatoes, tomatoes, peppers, cabbage, Brussels sprouts, broccoli and spinach. Vitamin C is also available as an oral supplement, typically in the form of capsules and chewable tablets. Most people get enough vitamin C from a healthy diet. Vitamin C deficiency is more likely in people who:
Too much vitamin C: Is it harmful? - Mayo Clinic
Apr 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; Nausea; Vomiting ...
High-dose vitamin C: Can it kill cancer cells? - Mayo Clinic
Dec 15, 2023 · More recently, vitamin C given through a vein (intravenously) has been found to have different effects than vitamin C taken in pill form. This has prompted renewed interest in the use of vitamin C as a cancer treatment.
Ascorbic acid (intravenous route) - Mayo Clinic
Aug 1, 2024 · 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.
Ascorbic acid (oral route) - Mayo Clinic
Vitamin C may be used for other conditions as determined by your health care professional. Claims that vitamin C is effective for preventing senility and the common cold, and for treating asthma, some mental problems, cancer, hardening of the arteries, allergies, eye ulcers, blood clots, gum disease, and pressure sores have not been proven.
Do the benefits of vitamin C include improved mood? - Mayo Clinic
Oct 8, 2022 · In some studies, participants reported that vitamin C lowered their anxiety levels. More research is needed. But in the meantime, eat plenty of fruits and vegetables rich in vitamin C, such as oranges and red peppers. If you also take a supplement, try not to exceed the upper limit of 2,000 milligrams of vitamin C a day.
Methenamine (oral route) - Mayo Clinic
Jan 31, 2024 · Children up to 6 years of age—Dose is based on body weight. The usual dose is 18.3 mg per kilogram (kg) (8.3 mg per pound) of body weight four times a day. Take after meals and at bedtime. Children 6 to 12 years of age—500 mg four times a …
Vitamin B-12 - Mayo Clinic
Jun 28, 2024 · Taking vitamin B-12 with vitamin C might reduce the available amount of vitamin B-12 in your body. To avoid this interaction, take vitamin C two or more hours after taking a vitamin B-12 supplement. Your doctor might recommend changing drugs or timing doses to offset any potential interactions.
Vitamins for MS: Do supplements make a difference? - Mayo Clinic
Nov 8, 2019 · A high concentration of one vitamin might cause a relative deficiency of another. Vitamin D may be an exception. So far, vitamin D is one of the most intensely studied supplements for MS. For several years, there has been a growing interest in the role of low vitamin D levels and an increased risk of MS attacks or exacerbations.
Prenatal vitamins: Why they matter, how to choose - Mayo Clinic
Apr 19, 2022 · Beyond checking for folic acid and iron, look for a prenatal vitamin that contains calcium and vitamin D. They help promote the development of the baby's teeth and bones. It also might be beneficial to look for a prenatal vitamin that contains vitamin C, vitamin A, vitamin E, B vitamins, zinc and iodine.