Medically the evaluation by Rosanna Sutherby, PharmD top top September 18, 2020.

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Vitamin D is a vital nutrient due to the fact that it helps her body absorb diet calcium therefore you have the right to have strong, healthy and balanced bones. That’s why it’s important to get sufficient of it. However it’s also feasible to gain too lot vitamin D—referred to as vitamin D toxicity. If this is rare, it can still be advantageous to know the typical signs that too much vitamin D—particularly if you take vitamin D additionally regularly.

Here, we’ll talk about some that the symptoms the can construct if you endure vitamin D toxicity, so read on (and if you’d like to examine your vitamin D levels from the lull of home, think about trying ours vitamin D test kit).


Signs and symptoms the too much vitamin D

Signs you’re gaining too lot vitamin D may include:

NauseaVomitingWeaknessHeadacheFrequent urination ache musclesKidney damage and also kidney stonesHigh blood pressure

Understanding vitamin D toxicity

Also called hypervitaminosis D, vitamin D toxicity is uncommon and occurs when your body’s vitamin D levels are too high. Vitamin D toxicity generally develops indigenous over-supplementation, together opposed to diet or sun exposure. V the sun, her body can regulate the lot of herbal vitamin D that’s produced. And when it comes to food, naturally-occurring vitamin D isn’t common—and fortified foods don’t usually contain enough vitamin D to cause toxicity.

How lot vitamin D carry out you need?

Wondering, “How much vitamin D perform I need?” The recommended dietary allowance (RDA) for human being in various age teams is shown below. These references come native the national Academies that Sciences, Engineering, and also Medicine. Based upon a number of factors, however, your health care provider may indicate doses the are higher or reduced than what’s listed—so think about asking your provider for your recommendation. Keep in mind that the amount of vitamin D in foods and also supplements is normally expressed in terms of worldwide Units (IU), therefore “IU/day” refers to “International systems per day.”

Recommended dietary allowance (IU/day) because that vitamin D complied with by the upper intake level:

Infants 0-6 months

400 IU/day for sufficient intakeUpper input level that 1,000 IU/day

Infants 6-12 months

400 IU/day for adequate intakeUpper intake level of 1,500 IU/day

Children 1-3 years old

Recommended dietary pin money of 600 IU/dayUpper intake level the 2,500 IU/day

Children 4-8 years old

Recommended dietary pin money of 600 IU/dayUpper entry level of 3,000 IU/day

People 9-70 year old

Recommended dietary pin money of 600 IU/dayUpper intake level of 4,000 IU/day

People end 70 years old

Recommended dietary pin money of 800 IU/dayUpper entry level the 4,000 IU/day

Women 14-50 years old who are pregnant or lactating

Recommended dietary allowance of 600 IU/dayUpper input level that 4,000 IU/day

In part cases, health care providers might prescribe higher doses to treat a vitamin D deficiency, though this numbers carry out a an excellent guideline. That course, talk v your health care provider to discover what quantity of vitamin D intake they recommend for you.

How have the right to you measure her vitamin D input in global Units (IU)?

If you’re acquisition a vitamin D supplement, the lot of vitamin D will likely be listed on the supplement"s nutritional label, one of two people in international Units or micrograms (2.5 micrograms = 100 IU). Micrograms may be abbreviated together "mcg."

Vitamin D quantities aren’t always noted directly ~ above the brand of food items. However, labels frequently do perform the percent daily Value (DV), which shows the quantity of vitamin D in a offer of that food as a percentage of 800 IU.

Finally, you can also get a sense of the vitamin D content of miscellaneous kinds the food through visiting the national Institutes the Health"s source on vitamin D (see Table 3).

What can be done about vitamin D toxicity?

If vitamin D toxicity occurs, your medical care provider may suggest restricting your dietary calcium intake. Therapy may also include discontinuing the usage of any type of vitamin D supplement—at the very least temporarily.

Ways to get vitamin D

You can obtain vitamin D from sunshine exposure, dietary sources, and also supplements.

Getting ample vitamin D through sunlight exposure have the right to be straightforward, but you do must make certain you don’t get sunburned (by limiting how much time you spend out in the sun, for example).

In food, vitamin D can be uncovered in beef liver, egg yolks, and also fatty fish prefer salmon and tuna. Over there are likewise many fortified foods, favor milk and also dairy products, that administer your body with vitamin D.

Signs of insufficient vitamin D intake

Along with understanding the signs of too much vitamin D, that a great idea to recognize the signs of inadequate vitamin D intake.

Inadequate vitamin D input can an outcome in signs and also symptoms like:

FatigueDepressionWeaknessJoint painMuscle pain

Studies have actually even shown that short vitamin D levels might be linked to greater risks of heart disease, diabetes, cancer, mood disorders, and also dementia.

Benefits of experimentation your vitamin D levels

If you’re experiencing any of the symptoms of vitamin D insufficiency noted above—or are experiencing indicators of too much vitamin D—your intake may be imbalanced in part way. Testing your vitamin D level can aid you identify if her levels space normal or if you might need to make adjustments and also have a discussion with your health care provider.

Our at-home vitamin D check kit lets you check your levels easily—it only requires a simple finger prick blood sample, and also shipping is free both ways. Plus, you’ll gain to conveniently see your results on our secure, online platform simply days ~ the laboratory receives her sample.

Related content

Vitamin D throughout pregnancy

When have to you take it vitamin D?


1.What is vitamin D toxicity? should I it is in worried about taking supplements?. Mayo Clinic. URL. Accessed September 18, 2020.

2.Vitamin D. Nationwide Institutes the Health. URL. Accessed September 18, 2020.

3.Taking too lot vitamin D deserve to cloud that is benefits and create wellness risks. Harvard medical School. URL. Accessed September 18, 2020.

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4.Vitamin D. NIH, Office of diet Supplements. URL. Accessed September 18, 2020.