Feb 20, 2025 · Vitamin C is an essential nutrient, but you can get too much of it. If you're an adult, limit yourself to no more than 2,000 milligrams (mg) of vitamin C a day. The recommended upper limit for …

Aug 14, 2025 · Vitamin C is an essential nutrient found in foods and available as a supplement you take by mouth. Learn about its potential benefits and the causes of vitamin C deficiency.

Dec 1, 2025 · 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 …

Oct 8, 2022 · Can vitamin C improve your mood? The link between vitamin C and mood might seem surprising, but people who have vitamin C deficiency often feel fatigued or depressed. Some studies …

Feb 1, 2025 · 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.

Dec 15, 2023 · High-dose vitamin C has been touted by some as an effective alternative cancer treatment.

Apr 1, 2025 · For oral dosage form (methenamine mandelate enteric-coated tablets, regular tablets, solution, and suspension): Adults and children 12 years of age and over—1 gram four times a day.

Aug 13, 2025 · Vitamin B-12 supplements also are suggested for women who are pregnant, who are breastfeeding and not using any formula, or who follow vegetarian or vegan diets. Taking high doses …

In fact, taking megadoses of vitamin C in supplement form is discouraged because there aren’t any estab-lished benefits. For instance, there’s still little evi-dence that vitamin C can prevent colds or …

Mar 21, 2025 · Vitamin D is a nutrient the body needs, along with calcium, to build bones and keep them healthy. The body can absorb calcium only if it has enough vitamin D. Calcium is a major part of …