. Author manuscript; available in PMC: 2016 Dec 1.

Published in final edited form as: Am J Med Sci. 2015 Dec;350(6):485–497. doi: 10.1097/MAJ.0000000000000530

Table 8.

Standard postoperative vitamin and mineral supplements for RYGB/LSG patients⁶⁰

Supplement	Dosage^a
Multivitamin	1–2 daily
Calcium citrate (PPI recommended after bariatric surgery) with vitamin D^a	Calcium citrate: 1,200–2,000 mg/day Vitamin D: 3,000 U/day, titrate to 25-OHD >30 ng/mL
Elemental iron (menstruating females only)^a	40–65 mg/day
Vitamin B12^a	>500 μg/day orally, 1,000 μg/month IM, 3,000 μg every six months IM, or 500 μg/week intranasal

Patients with deficiency states need treatment beyond these recommendations.⁵⁹