Does vitamin D3 interfere with any medications?

Growing scientific evidence suggests that vitamin D3–drug interactions may impact specific patient groups and increase their risk of low vitamin D status, particularly those prescribed medications like statins and corticosteroids.
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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 OK to take vitamin D3 with other medications?

Yes. Certain medicines may interact with vitamin D and cause unbalanced levels in your bloodstream, so you should speak to your doctor before taking it as a supplement. Estrogen, isoniazid, and thiazide are three medications which may result in increased levels of vitamin D.
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Who should not take 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. any condition that makes it hard for your body to absorb nutrients from food (malabsorption).
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Can vitamin D3 affect blood pressure?

Conclusion: Oral vitamin D 3 has no significant effect on blood pressure in people with vitamin D deficiency. It reduces systolic blood pressure in people with vitamin D deficiency that was older than 50 years old or obese.
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Is too much Vitamin D hurting you?



Is taking vitamin D3 everyday good for you?

In very high doses, many minerals (like iron) and vitamins can harm your body. Current guidelines say adults shouldn't take more than the equivalent of 100 micrograms a day. But vitamin D is a 'fat-soluble' vitamin, so your body can store it for months and you don't need it every day.
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Does vitamin D interfere with blood pressure medication?

After comparing both individual patient data and the overall findings for each study, researchers found that vitamin D supplements had no significant effect on blood pressure. In other words, patients taking vitamin D supplements had similar changes in blood pressure as those taking an inactive placebo drug.
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Can Vitamin D3 cause heart problems?

The dose of the vitamin D supplements given also varied greatly, as did the length of the studies. Barbarawi said the researchers were surprised to see that vitamin D supplements didn't appear to have any effect on major heart problems, stroke or death.
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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.
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Can I take vitamin D with statins and blood pressure tablets?

A small 2016 study concluded that people who had low vitamin D levels were more likely to experience the muscle-related side effects of statins. Vitamin D supplementation led to better tolerance of statins.
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Do you take vitamin D in the morning or at night?

The most important steps are to fit vitamin D into your routine and take it consistently to ensure maximum effectiveness. Try taking it alongside breakfast or with a bedtime snack — as long as it doesn't interfere with your sleep.
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Does Vitamin D3 interfere with blood thinners?

No interactions were found between Vitamin D3 and warfarin.
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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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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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Can you take too much vitamin D3?

Vitamin D toxicity can have devastating health effects, which may not show up until months or even years after starting to take high doses. Generally, it's not recommended to exceed the upper limit of safe intake, which is 4,000 IU (100 mcg) per day.
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Can vitamin D3 cause heart palpitations?

Excess Vitamin D harms the heart - Study

Scientists have long known that low levels of the nutrient can hurt the heart, but new research shows that higher than normal levels can make it beat too fast and out of rhythm, a condition called atrial fibrillation.
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Does vitamin D3 cause hardening of the arteries?

Activation of this system increases blood vessel constriction, which can contribute to arterial stiffness. Vitamin D also can suppress vascular smooth muscle cell proliferation, activation of garbage-eating macrophages and calcification formation, all of which can thicken blood vessel walls and hinder flexibility.
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Can vitamin D3 cause atrial fibrillation?

Atrial fibrillation is a common type of arrhythmia and is an important cause of stroke and heart failure. vitamin D is an emerging risk factor of AF, and is implicated in the pathophysiology of atrial fibrillation.
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Is Vitamin D3 good for the heart?

Healthier blood vessels

The study showed that vitamin D3 can repair damage to the heart and blood vessels caused by high blood pressure.
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What should you not take with blood pressure medicine?

Topic Overview
  • Decongestants, such as those that contain pseudoephedrine.
  • Pain medicines (NSAIDs), such as ibuprofen and naproxen.
  • Cold and influenza medicines. These often contain decongestants and NSAIDs.
  • Some antacids and other stomach medicines. ...
  • Some natural health products.
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Can too much vitamin D cause high cholesterol?

Higher vitamin D levels appear to be associated with higher total cholesterol levels and higher HDL cholesterol levels, according to a new study presented at the American College of Cardiology's (ACC) 65th Annual Scientific Sessions.
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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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Is it better to take vitamin D every day or once a week?

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