Dietary Supplement. New. Supports a Leaner Body for Less Stress on Joints* Schiff® ~ Over 75 Years of Guaranteed Quality. Why Move Free® Lean? Fact: Every 1 pound in weight lost removes 4 pounds of pressure on joints. Schiff® Move Free® Lean supports healthy joints and a lean body for less stress on your joints.* Data on the effects of weight and joint function inspired Schiff Nutrition scientists to search the globe for a new way to help joint health.* They found Irvingia, an extract from African mango seed, to support a leaner body for less stress on joints.* Schiff® Move Free® Lean, as part of an active routine, promotes total joint health.*.