| Calcium citrate | 1,200 to 1,500 mg per day | Split doses; monitor for osteoporosis |
| Elemental iron | 45 to 60 mg per day (including multivitamin) | Take iron and calcium supplements at least 2 hours apart |
| Multivitamin with minerals (including iron, folic acid, copper, selenium, thiamine, and zinc) | 2 per day | Liquid or chewable for 3 to 6 months, bariatric vitamin is preferred |
| Vitamin B12 | 1,000 mcg per day | Sublingual, subcutaneous, intramuscular, or oral if adequately absorbed |
| Vitamin D3 | At least 3,000 IU per day | Titrate to 25-hydroxy-vitamin D level > 30 ng per mL (74.88 nmol per L) |
