Table 2.

Proposed dietary supplementation after bariatric procedures

Recommended daily dietary supplementation	BPD/BPD-DS [30, 32]	RYGB
Multivitamins	2 × 1 per day	2 × 1 per day
Vitamin A	2 × 25,000 per day	none
Vitamin D	2 × 25,000 IU per day	according to laboratory values
Vitamin B12	1 mg i.m. every 3 months	according to laboratory values
Calcium	2 × 1,000 mg	according to laboratory values
Iron	2 × 100 mg per day	women: 2 × 100 mg per day men: according to laboratory values
Additional protein intake	100 g per day	none

BPD = Biliopancreatic diversion according to Scopinaro; BPD-DS = biliopancreatic diversion with duodenal switch; RYGB = Roux-en-Y gastric bypass.