Bariatric Surgery VA Charleston Health Care Veterans Affairs Nutrient Deficiencies Involved in the Development of Neurological Conditions after Metabolic and Bariatric Surgery : Bariatric Times A lot of you have been asking what vitamins I take after my gastric sleeve, so here are my main 3 essentials @barimelts , Multivitamin + Iron (once daily), Helps cover the nutrients my body may It sucks when you eat right but still end up with an iron deficiency. Or what about being a gastric bypass patient and needing vitamin B12 shots for the rest of your First B 12 Injection After Gastric Sleeve Surgery How Much B12 Should a Bariatric Patient Take?