A member asked:

I feel much better now after 3 days taking 4000 iu of d3 . was only taking one a day..

3 doctors weighed in across 3 answers

Vit D dose: It is best to have a blood test for vit d and cacium levels to guide you on the proper dose of vit D. Discuss this with your physician who can order the appropriate tests and advise you. Excessive doses of vit D can raise the blood calcium levels to high leading to kidney stones and other problems. Daily vit D doses can range from 400 units to 7500 units daily depending on test results.

Answered 8/29/2014

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Dr. Jeffrey Levine answered

Specializes in Family Medicine

Vitamin D is safe: Vitamin D is an important vitamin, and difficult to obtain via diet only. Moderate (~15 min/day) sun exposure helps, but not always possible, While it is safe to take, even in high does (5000iu/day or 50,000iu 1-2x/week), it may not be necessary to take such high doses for a prolonged period; rarely u can develop toxic levels (>100ng/dl). I suggest u get 25-OH vitamin D test to assess ur level.

Answered 8/29/2014

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Dr. Mohammad Khan answered

Specializes in Pediatrics

Good: Also please check your Vitamin D levels in blood and talk to your doctor

Answered 8/29/2014

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