Gnc Vitamin D 1000 Iu
Vitamin D
Also called: Cholecalciferol, Ergocalciferol
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Summary
Vitamins are substances that your body needs to grow and develop normally. Vitamin D helps your body absorb calcium. Calcium is one of the main building blocks of bone. A lack of vitamin D can lead to bone diseases such as osteoporosis or rickets. Vitamin D also has a role in your nerve, muscle, and immune systems.
You can get vitamin D in three ways: through your skin, from your diet, and from supplements. Your body forms vitamin D naturally after exposure to sunlight. However, too much sun exposure can lead to skin aging and skin cancer. So many people try to get their vitamin D from other sources.
Vitamin D-rich foods include egg yolks, saltwater fish, and liver. Some other foods, like milk and cereal, often have added vitamin D.
You can also take vitamin D supplements. Check with your health care provider to see how much you should take. People who might need extra vitamin D include:
- Older adults
- Breastfed infants
- People with dark skin
- People with certain conditions, such as liver diseases, cystic fibrosis and Crohn's disease
- People who have obesity or have had gastric bypass surgery
NIH: National Institutes of Health Office of Dietary Supplements
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- Vitamin D
(National Institutes of Health, Office of Dietary Supplements) Also in Spanish - Vitamin D (Hormone Health Network)
- Vitamin D (Harvard School of Public Health)
- Vitamin D Test (National Library of Medicine) Also in Spanish
- Calcium and Vitamin D: Important at Every Age (National Institute of Arthritis and Musculoskeletal and Skin Diseases) Also in Spanish
- Vitamin D Toxicity: What If You Get Too Much? (Mayo Foundation for Medical Education and Research) Also in Spanish
- ClinicalTrials.gov: Vitamin D (National Institutes of Health)
- Vitamin D (Nemours Foundation) Also in Spanish
- Breastfeeding: Vitamin D Supplementation (Centers for Disease Control and Prevention)
- 25-hydroxy vitamin D test (Medical Encyclopedia) Also in Spanish
- Calcium, vitamin D, and your bones (Medical Encyclopedia) Also in Spanish
- Hypervitaminosis D (Medical Encyclopedia) Also in Spanish
- Vitamin D (Medical Encyclopedia) Also in Spanish
Source: https://www.medlineplus.gov/vitamind.html
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