Ecoslim is a brand name for a capsule with the generic name Orlistat 120mg. Ecoslim blocks some of the fat that you eat, keeping it from being absorbed by your body, It is used together with a reduced-calorie diet and weight maintenance to treat obesity in people with certain risk factors (such as diabetes, high blood pressure, and high cholesterol or triglycerides). It is indicated for use to stop weight gain in patients with weight related conditions.