
Taking up to 500 mg of calcium with food improves absorption.

Should be taken with food to minimize gastrointestinal upset. Renal Dose Adjustmentsĭata not available Liver Dose AdjustmentsĬaution is recommended when used in patients with severe renal impairment. Note: While much larger vitamin D dosages have been recommended as a single agent, many calcium-vitamin D combination supplements will contain approximately 200 international units to 400 international units of vitamin D per dose.

Vitamin D - General Range: 200 international units to 800 international units daily If a person with these characteristics is meeting their RDA through food, they probably do not need to supplement. However, people at risk for fractures need more calcium and vitamin D. Calcium - General Range: 1000 mg to 1300 mg daily 1,200 mg calcium (diet + supplements) and 1,0002,000 IUs of vitamin D There is clear evidence of the risks of taking too much calcium supplements.
