Aug 13, 2025 · Know the causes of a vitamin B-12 deficiency and when use of this supplement is recommended.

Mar 21, 2025 · The recommended daily amount of vitamin D is 400 international units (IU) for children up to age 12 months, 600 IU for people ages 1 to 70 years, and 800 IU for people over 70 years.

Nov 1, 2022 · Considering calcium supplements? First figure out how much calcium you need. Then weigh the pros and cons of supplements.

Aug 30, 2018 · Should I write "This is recommended to people who like cheap but highly useful stuff" or "This is recommended for people who like cheap but highly useful stuff"?

Aug 13, 2025 · Understand when a vitamin B-6 deficiency might occur and learn the risks of taking too much of this vitamin supplement.

Feb 21, 2025 · Is caffeine causing you problems? Find out how much is too much and if you need to cut down.

Recommended Dietary Allowances (RDAs) are the amount of vitamins and minerals needed to provide for adequate nutrition in most healthy persons. RDAs for a given nutrient may vary depending on a …

Mar 21, 2025 · Vitamin E is a nutrient that's important for vision, fighting off diseases and the health of the blood, brain, and skin. Vitamin E is an antioxidant. Antioxidants might protect cells from the …

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.

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 …