What is vitamin D3 good for in the body?

D3 is more efficient than D2. You get vitamin D from food, supplements, and sunshine. Vitamin D is important for bone and muscle strength and immune function. It may help prevent depression, inflammatory disease, and heart disorders.

What is calciferol tablets used for?

Vitamin D with calcium is used to treat or prevent bone loss (osteoporosis). Vitamin D is also used with other medications to treat low levels of calcium or phosphate caused by certain disorders (such as hypoparathyroidism, pseudohypoparathyroidism, familial hypophosphatemia).

How much vitamin D3 should I take daily?

Vitamin D recommended intake is at 400–800 IU/day or 10–20 micrograms. However, some studies suggest that a higher daily intake of 1,000–4,000 IU (25–100 micrograms) is needed to maintain optimal blood levels.

What is vitamin D metabolism?

The metabolism of vitamin D. The liver converts vitamin D to 25OHD. The kidney converts 25OHD to 1,25(OH)2D and 24,25(OH)2D. Other tissues contain these enzymes, but the liver is the main source for 25-hydroxylation, and the kidney is the main source for 1α-hydroxylation.

Is it OK to take vitamin D3 everyday?

Some people may need a higher dose, however, including those with a bone health disorder and those with a condition that interferes with the absorption of vitamin D or calcium, says Dr. Manson. Unless your doctor recommends it, avoid taking more than 4,000 IU per day, which is considered the safe upper limit.

What is the difference between vitamin D and vitamin D3?

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. … Vitamin D3 is the form of vitamin D the human body makes when sunlight strikes the skin.

What are signs of low vitamin D?

Vitamin D helps with strong bones and may help prevent some cancers. Symptoms of vitamin D deficiency can include muscle weakness, pain, fatigue and depression….Signs and symptoms might include:

• Fatigue.
• Bone pain.
• Muscle weakness, muscle aches, or muscle cramps.
• Mood changes, like depression.

Oct 16, 2019