What is the difference between Vitamin D and vitamin D3?
vitamen d3 is the active form of vitamen d
Yes, actually you SHOULD take Vitamin D3. You have two choices of Vitamin D, Vitamin D2 and Vitamin D3. Vitamin D2 is not absorbed as well as Vitamin d3 and it has a shorter half life. Even though foods are still fortified with Vitamin D2, many researchers believe that Vitamin D2 is "no longer suitable for supplementation or fortification".
The Sun gives off light. The body uses light to convert 7-dehydrocholesterol into pre-vitamin D3. Pre-vitamin D3 forms in to cholecalciferol, vitamin D3. Vitamin D3 is brought to the liver were it forms 25-hydroxyvitamin D. Finally, it is brought to the kidney to form 1,25-dihydroxyvitamin D, the active form of vitamin D.
The term "vitamin D" refers to several different forms of this vitamin. ergocalciferol (vitamin D2) and cholecalciferol (vitamin D3). Vitamin D2 synthesized by plants. Vitamin D3 is synthesized by humans in the skin. D is the fourth letter in the Latin alphabet and the vitamin D was the fourth vitamin discovered.
Your own body produces vitamin D3 if your skin is exposed to sunlight. 10 minutes in the sun satisfies your daily need for vitamin D3. Vitamin D is also found in some foods, such as fish (especially cod) and eggs. Another source says that getting enough vitamin D3 from the sun might be more difficult, depending on geographical location and season. During an internet search, I did find that some people are allergic to vitamin…