Table 3.

Proposal of micronutrient recommendations in pregnancy after bariatric surgery.

Micronutrient	SG/RYGB	BPD and Other Malabsorptive Procedures
Folate	400–8008 μg/d                           800–1000 μg/d in women of childbearing age
Vitamin B12	350–1000 μg/d (oral or sublingual)                                              1000 μg/month IM-SC)
Thiamine	12 mg/d                       Increase to 100–300 mg if low intake, nausea/vomiting
Vitamin D	3000 UI/d (Vit D > 30 ng/mL)	A higher dose is usually needed
Vitamin A	800–3000 μg/d	3000 μg/d (10.000 UI)
Vitamin E	15 mg/d	90 mg/d
Vitamin K	50–120 μg/d	300 μg/d
Iron	SG: male or non-menstruating: 18 mg/d                          Menstruating female or RYGB/BPD: 45–60 mg/d
Calcium	1200–1500 mg/d	1800–2400 mg/d
Magnesium	350 mg/d	350 mg/d
Zinc	SG: 8–11 mg/d RYGB: 8–22 mg/d	16–22 mg/d
Copper	SG: 1 mg/d RYGB 2 mg/d	2 mg/d