What defines a "malabsorptive" weight loss procedure?

A "malabsorptive" weight loss procedure is defined by its ability to limit the body's ability to absorb calories and nutrients from the food consumed. This is typically achieved by altering the digestive process, often through the surgical rerouting of the small intestine. In such procedures, a portion of the intestines is bypassed, which decreases the surface area available for nutrient absorption. As a result, even if a person consumes the same amount of food, fewer calories and nutrients will enter the bloodstream, leading to weight loss.

In contrast, physical restriction of food intake primarily focuses on limiting the amount of food that can be consumed in one sitting, which is characteristic of "restrictive" procedures. Promoting a higher caloric intake contradicts the fundamental goal of weight loss procedures, which aim to lower overall caloric consumption. Continuous use of medication is not specific to malabsorptive procedures and can apply to various weight management strategies. Therefore, the defining feature of a malabsorptive weight loss procedure is indeed its impact on nutrient absorption, leading to significant weight loss outcomes.