A member asked:

What amount vitamin d3 should i take?

A doctor has provided 1 answer
Dr. Liesa Harte answered

Specializes in Family Medicine

Vitamin D Dose: Vitamin D3 is often too low in patients these days. There are many reasons for this, including less time in the sun and more sunscreen. Also, vitamin D is used in the operation of approximately 350 genes, including many involved with detoxification. We have many more chemicals that need detoxifying over the past 20 years or so. It varies how much is needed. 4, 000 i.u. is usually safe. Test.

Answered 5/12/2014

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If i stop taking vitamin d3, how long does it take to leave my system?

3 doctors weighed in across 2 answers