Do you really know? What is vitamin D?
Jul 23, 2025
Discover the fascinating history of vitamin D, starting with its discovery by Elmer McCollum in 1922. Learn about its crucial role in preventing rickets in children and osteoporosis in adults. The discussion covers how vitamin D can also reduce the risk of certain cancers. Explore how sunlight, skin color, and the use of sunblock affect vitamin D production. Get insights into the best ways to ensure you’re getting enough of this essential vitamin!
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Vitamin D's Crucial Health Roles
- Vitamin D is essential for preventing rickets in children and bone deterioration in adults.
- It also helps reduce risks of breast and colon cancer, hypertension, and cardiovascular diseases.
Vitamins D and K in COVID-19
- Vitamin D deficiency may increase COVID-19 complication risks based on studies in severely affected countries.
- Vitamin K might help combat COVID-19 by regulating blood coagulation and pulmonary fiber health.
Sources and Storage of Vitamin D
- Vitamin D comes 20% from animal food products and 80% is synthesized in the skin via UV exposure.
- The body stores vitamin D in fat, muscles, and adipose tissue for winter use.