Supplement

AGB

RNY

BPD/DS

Multivitamin-mineral supplement

* A high-potency vitamin containing 100% of the daily value (DV) for 2/3 of nutrients

100% of DV

200% of DV

200% of DV

Additional cobalamin (B12)

* Intramuscular injection

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1,000 mcg/mo

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* Oral tablet (crystalline form)

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350-500 mcg/d

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Additional elemental calcium

* Choose a brand that contains calcium citrate and vitamin D3

1,500 mg/d

1,500-2,000 mg/d

1,800-2,400 mg/d

Additional elemental iron

* Recommended for menstruating women and those at risk of anemia

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18-27 mg/d

(Minimum)

18-27 mg/d

(Minimum)

Fat-soluble vitamins

* Vitamin A

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10,000 IU

* Vitamin D3

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2,000 IU

* Viamin K

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300 mcg

Optional B-complex

* B-50 dosage

1/d

1/d

1/d