Research

Micronutrients & recovery

Bariatric surgery procedures (SG, RYGB, BPD/DS) significantly increase the risk of micronutrient deficiencies due to reduced oral intake and malabsorption, necessitating lifelong biochemical monitoring and targeted supplementation.

If you undergo bariatric surgery, you must commit to lifelong blood tests and vitamin/mineral supplementation. This is not optional; surgery changes how your body absorbs nutrients, leading to dangerous deficiencies if not managed. Work with your bariatric team to establish a monitoring schedule (typically every 3-12 months initially, then annually) and adhere strictly to prescribed supplements.

WeakSupportsHIGH confidence
The incidence of these may increase after bariatric surgery as all procedures potentially cause clinically significant micronutrient deficiencies. Therefore, preparation for surgery and long-term nutritional monitoring and follow-up are essential components of bariatric surgical care.
Mary O’Kane et al. · Obesity Reviews · 2020

Why this rating

Based on systematic reviews and RCTs (Grade A/B evidence levels cited in tables).

Source

British Obesity and Metabolic Surgery Society Guidelines on perioperative and postoperative biochemical monitoring and micronutrient replacement for patients undergoing bariatric surgery—2020 update

Mary O’Kane et al. · Obesity Reviews · 2020

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