Should I take vitamin D or D2?
Most of the research published to date has suggested that the main difference between vitamin D2 and D3 supplementation is the effect on circulating vitamin D levels in the bloodstream. Studies have repeatedly shown that vitamin D3 is superior at raising levels of vitamin D in the body.
Which vitamin D is better D2 or D3?
Key takeaways: Vitamin D supplements are available as vitamin D2 (D2) and vitamin D3 (D3). Both versions can be used to treat vitamin D deficiency, but D3 seems to be more effective than D2. Vitamin D2 is still prescribed to people with low vitamin D levels, because it’s more readily available in higher doses.
Why would you be prescribed vitamin D2?
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).
What is the best form of vitamin D to take?
What is the best form of vitamin D to take? Vitamin D supplements are available in two forms: vitamin D2 and vitamin D3. Both forms can increase blood levels of vitamin D. However, vitamin D3 can raise vitamin D levels higher and for longer than vitamin D2, which may make it a better option ( 5 ).
What are the side effects of taking vitamin D2?
Side effects that you should report to your doctor or health care professional as soon as possible:
- allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue.
- bone pain.
- increased thirst.
- increased urination (especially at night)
- irregular heartbeat, high blood pressure.
Can vitamin D2 make you sick?
Pharmacist tips for vitamin D2 (ergocalciferol) Don’t take more vitamin D2 (ergocalciferol) than instructed by your provider, since this can lead to unwanted side effects like nausea and vomiting. Contact your provider if you notice an unexplainable loss of appetite, weight loss, weakness, general aches, or stiffness.
What medications should not be taken with vitamin D?
Possible interactions include:
- Atorvastatin (Lipitor).
- Calcipotriene (Dovonex, Sorilux).
- Cholestyramine (Prevalite).
- Cytochrome P-450 3A4 (CYP3A4) substrates.
- Digoxin (Lanoxin).
- Diltiazem (Cardizem, Tiazac, others).
Can taking too much vitamin D harm you?
The main consequence of vitamin D toxicity is a buildup of calcium in your blood (hypercalcemia), which can cause nausea and vomiting, weakness, and frequent urination. Vitamin D toxicity might progress to bone pain and kidney problems, such as the formation of calcium stones.