Primarily, one should carefully consider a restrictive intervention, as it cannot be reversed later. Everyone should be aware that it involves an anatomical change that will last a lifetime. At the same time, a qualitative improvement in the quality of life is ensured, as you will gradually lose weight! It’s also essential to note that gastric bypass surgery reduces calorie and fat intake and significantly decreases nutrient absorption. This means that without supplemental intake of dietary supplements, a deficiency may occur.