Which is better vitamin D or 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.
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Should I take vitamin D3 or D?

Both supplements are commonly used for vitamin D supplementation. Studies have shown that vitamin D3 supplements may be superior in raising the body's vitamin D stores.
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Why do doctors prescribe vitamin D instead of D3?

You may wonder why doctors prescribe vitamin D2 instead of D3, if vitamin D3 appears to be more potent than vitamin D2. The vitamin D prescription you get from your doctor is typically for 50,000 units of vitamin D2. Vitamin D2 is indicated to treat calcium disorders and parathyroid disorders.
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Who should not take vitamin D3?

Who should not take VITAMIN D3?
  • sarcoidosis.
  • high amount of phosphate in the blood.
  • high amount of calcium in the blood.
  • excessive amount of vitamin D in the body.
  • kidney stones.
  • decreased kidney function.
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Can I take vitamin D3 and vitamin D together?

No interactions were found between multivitamin and Vitamin D3. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.
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Vitamin D - Vitamin D2, Vitamin D3 and Calcitriol | Doctor Mike Hansen



Is it OK to take vitamin D3 everyday?

Most experts recommend that you shouldn't take more than 4,000 IU of vitamin D a day. When your serum D3 is very low (less than 12 nanograms per milliliter), some may recommend a short course of once-weekly 50,000 IU of vitamin D2 or D3, followed by a usual dose of 600 to 800 IU daily.
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What form of vitamin D is best?

In supplements, two forms of vitamin D are available: D2, which is called ergocalciferol, and D3, which is called cholecalciferol. Both are effective, but D3 seems to be more effective at higher dosages.
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How much vitamin D3 should I take daily?

The current recommendations suggest consuming 400–800 IU (10–20 mcg) of vitamin D per day. However, people who need more vitamin D can safely consume 1,000–4,000 IU (25–100 mcg) daily. Consuming more than this is not advised, as it is not linked to any extra health benefits.
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Do vitamin D3 have side effects?

Too much vitamin D can cause harmful high calcium levels. Tell your doctor right away if any of these signs of high vitamin D/calcium levels occur: nausea/vomiting, constipation, loss of appetite, increased thirst, increased urination, mental/mood changes, unusual tiredness.
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Can vitamin D3 cause hair loss?

“Both vitamin D deficiency, as well as vitamin D excess, may cause hair loss,” Chacon explains. A 2020 study in the International Journal of Dermatology found that vitamin D deficiency may also play a role in the development and severity of androgenetic alopecia, also known as male pattern baldness.
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What happens if you take too much vitamin D3?

Symptoms and treatment of vitamin D toxicity

Early symptoms of hypercalcemia include nausea, vomiting, diarrhea, constipation, and weakness ( 27 ). Excessive thirst, an altered level of consciousness, high blood pressure, calcification in the kidney tubes, kidney failure, or hearing loss may also develop ( 4 , 28 ).
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Does vitamin D3 make you gain weight?

Despite these findings, the current body of research suggests that consuming higher amounts of vitamin D has little effect on weight gain or loss.
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Can I take 5000 IU of vitamin D3 everyday?

In summary, long-term supplementation with vitamin D3 in doses ranging from 5000 to 50,000 IUs/day appears to be safe.
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What is the healthiest form of vitamin D3?

While both forms work nearly identically in the body, some studies suggest the D-3 form to be more efficient with raising blood levels of vitamin D.
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When should I take vitamin D morning or night?

While the best timing has not been established, scientific data to confirm anecdotal reports that supplementing at night may interfere with sleep is unavailable. Current research suggests you can fit vitamin D into your routine whenever you prefer.
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Does vitamin D3 help with joint pain?

Other studies have concluded that people with RA have low vitamin D levels from their corticosteroid medications. However, a study of postmenopausal women , a group that frequently experiences joint pain, found that taking daily vitamin D3 and calcium supplements did not improve joint pain.
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How much 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.
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How do you know if you're low in vitamin D?

Symptoms of vitamin D deficiency can include muscle weakness, pain, fatigue and depression. To get enough D, look to certain foods, supplements, and carefully planned sunlight.
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What are the symptoms of low vitamin D?

But some of the effects of vitamin D deficiency include:
  • Fatigue or tiredness.
  • Bone pain.
  • Joint pain.
  • Muscle pain.
  • Sour mood.
  • Low energy.
  • More frequent illness.
  • Anxiety.
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Is 10000 IU of d3 too much?

The Endocrine Society Practice Guidelines recommend that up to 10,000 IUs daily was safe for adults. This is in contrast to the recommended UL at 4,000 IU/d from the IOM.
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Does vitamin d3 help reduce belly fat?

In addition to reducing belly fat, taking vitamin D for weight loss has important implications in musculoskeletal health. A 2017 study found that combining vitamin D with aerobic exercise and resistance training can result in more calorie loss than exercise alone.
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Does vitamin d3 help hair growth?

“Supplementing vitamin D can often be helpful since most people are deficient—along with other key nutrients, typically iron, vitamin C, and biotin—in restoring hair loss. It certainly helps thicken existing hair,” Levitan says.
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Does vitamin d3 give you energy?

Vitamin D keeps your immune system strong and can help regulate insulin levels. It keeps your energy levels up and enhances your mood, too.
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What medications should not be taken with vitamin D?

Possible interactions include:
  • Aluminum. ...
  • Anticonvulsants. ...
  • Atorvastatin (Lipitor). ...
  • Calcipotriene (Dovonex, Sorilux). ...
  • Cholestyramine (Prevalite). ...
  • Cytochrome P-450 3A4 (CYP3A4) substrates. ...
  • Digoxin (Lanoxin). ...
  • Diltiazem (Cardizem, Tiazac, others).
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Is it better to take vitamin D daily or weekly?

Conclusion. Daily vitamin D was more effective than weekly, and monthly administration was the least effective.
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