Can I have an overdose of vitamin D?

Medically Reviewed by Checkmark Medically Reviewed By: Dr. Sravanthi Sunkaraneni

Yes. Under normal circumstances, an overdose of vitamin D is only possible if the consumption is excessively high. Usually, excessive intake is due to high intakes of supplements containing vitamin D. Dietary intake or prolonged sun exposure does not cause overdose of vitamin D. Doses up to 10,000 IU/day have not been shown to cause toxicity. The FSSAI states, “1000-2000 IU/ day seems to be safe”. 

According to Indian Journal of Pharmaceutical Sciences, the Indian Council of Medical Research (ICMR) recommends that the entire requirement can be obtained just by sunlight; else, a daily supplement of 400 IU/day of vitamin D for those Indians in situations of minimal exposure to sunlight may be beneficial. But this might be inadequate, and an RDA of 600-800 IU is required to maintain adequate vitamin D levels. 

Which vitamins can I easily overdose on?

Usually, it’s difficult to overdose by consuming vitamins naturally with a well-balanced diet and even with recommended doses of supplements. However, high doses of vitamin supplements can have negative ramifications. Many vitamins, when taken in excess, can cause an overdose, leading to their toxicity. Therefore, you should only consume supplements in recommended amounts only. If you eat a well-balanced diet, you will not require vitamin supplements. During the Covid pandemic, many people started consuming Vitamin C regularly to increase their immunity even though it was not necessary. Although overdosing on vitamin C is highly unlikely, it is only beneficial if consumed when there is a dietary deficiency.

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Disclaimer
Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can further read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

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