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 …

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, …

Feb 1, 2025 · Description 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 …

Apr 1, 2025 · These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or …

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 …

Dec 15, 2023 · This has prompted renewed interest in the use of vitamin C as a cancer treatment. There's still no evidence that vitamin C alone can cure cancer, but researchers are studying …

Apr 30, 2025 · Other side effects of taking zinc can be serious. Some people who used zinc nasal sprays had permanent loss of smell. Taken all together, research shows mixed results for zinc …

Jan 1, 2026 · For vitamin D deficiency: For oral dosage form (capsules): Adults—One capsule containing 5000 international units (IU) once a day. Children—Use and dose must be …

Mar 26, 2025 · Safety and side effects Zinc supplements taken by mouth may cause: Diarrhea. Dizziness. Headache. Nausea. Upset stomach. Vomiting. Taking zinc supplements by mouth …