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Recommended daily calcium and vitamin D3* intake.
| Adult women and men | Calcium | Vitamin D3 |
|---|---|---|
| During periods of rapid weight loss | 1,500–2000 mg | 1,000 IU |
| Morbidly obese patients | 1,500 mg | 2,000 IU |
| Post-Bariatric surgery patients | 1,500–2000 mg | 2,000 IU–100,000+ IU |
*Doses listed are for maintenance of normal levels. Repletion of vitamin D often requires significantly higher doses.
