We reveal how much vitamin D per day you need to prevent osteoporosis, bolster your immune system and more. Plus learn how to maximize the health benefits.
Q:I am reading so much about vitamin D and cancer. How much daily vitamin D should we recommend to patients?Rita Wickham
BOSTON – Dr. Mallika Marshall is answering your latest health questions. If you have a question,emailher or message her onFacebookorX (formerly known as Twitter).Jack in Lexington writes, "Maybe you can clarify the Vitamin D debate as to the ideal daily dosage. Some warn that taking too...
so it's a give-and-take relationship. That's why some studies have suggested that while vitamin A is necessary, too much supplemental vitamin A may negatively impact your bones.
Intestinal infections: Intestinal infections such ashookwormcan reduce how much vitamin A the body absorbs. Liver disease: Too much vitamin A might make liver disease worse. Do not take vitamin A if you have liver disease. Malnutrition: In people with severeprotein malnutrition, taking vitamin A ...
Vitamin A excess, also called hypervitaminosis A, is a toxic condition produced by a high intake of vitamin A, generally 150,000 μg daily over a period of several months. Unlike the water-solublevitamins (e.g., vitamin C, thiamin, riboflavin), vitamin A is soluble infat, and a surplu...
supplements. A 4-ounce serving ofbeef livercontains as much as 5,620 mcg of vitamin A. That's almost double the daily upper limit for adults. Because of that and liver's high level of cholesterol, you shouldn't eat it more than once a week to avoid consuming too much of the vitamin...
supplements. A 4-ounce serving ofbeef livercontains as much as 5,620 mcg of vitamin A. That's almost double the daily upper limit for adults. Because of that and liver's high level of cholesterol, you shouldn't eat it more than once a week to avoid consuming too much of the vitamin...
Recommendations for how much daily vitamin D adults need through diet have changed over the years. Currently, different recommendations exist. The Institute of Medicine has placed the recommended dietary allowance, or RDA, for vitamin D at 600 international units (IU) per day for young adults and...
How much vitamin A should you consume? Recommended dietary intakes for vitamin A depend on age, gender and reproductive status. The Recommended Dietary Allowance (RDA) for adults 19 years and older is 900 micrograms (mcg) for men and 700 mcg for women. ...