A couple of questions

Is vitamin D3 the same as vitamin D?

There are two possible forms of vitamin D in the human body: vitamin D2 and vitamin D3. Both D2 and D3 are simply called “vitamin D,” so there's no meaningful difference between vitamin D3 and just vitamin D.

Should I take vitamin D or D3?

Studies have shown that vitamin D3 supplements may be superior in raising the body's vitamin D stores. There are many health benefits to vitamin D supplementation, but your doctor should use lab tests to recommend the amount of vitamin D you should take and which form.

What is the best form of vitamin D to take?

For most people, the best way to get enough vitamin D is taking a supplement because it is hard to eat enough through food. Vitamin D supplements are available in two forms: vitamin D2 (“ergocalciferol” or pre-vitamin D) and vitamin D3 (“cholecalciferol”).

Why do doctors prescribe vitamin D instead of D3?

So the vitamin D that your skin absorbs from the sun is the D3 form. Dr. Levitan says that people who need vitamin D supplements should take D3. This is the most active form of vitamin D in your body, as the liver converts D2 to D3.

Can I take vitamin D3 everyday?

Unless your doctor recommends it, avoid taking more than 4,000 IU per day, which is considered the safe upper limit.

Who should not take vitamin D3?

What is the most important information I should know about Vitamin D3 (Cholecalciferol (Vitamin D3))? You should not use cholecalciferol if you have had an allergic reaction to vitamin D, or if you have: high levels of vitamin D in your body (hypervitaminosis D); high levels of calcium in your blood (hypercalcemia); or.

How much vitamin D3 should a woman take?

A: The upper tolerable limit is 4,000 international units (IU) daily, and the recommended amount for women 14 to 70 is 600 IU per day. Women 71 and older should aim for 800 IU per day.

Are all vitamin D3 supplements the same?

Vitamin D supplements are available in two forms: D2 (ergocalciferol) and D3 (cholecalciferol). Both are effective, but at high dosages, D3 seems to be more effective . Manufacturers use yeast to make D2, while vitamin D3 can come from several sources, including: lanolin, which comes from sheep's wool.