If you like Knox Gelatin, try me! Ideal for desserts, to thicken yogurt, for jello, and much more! Gelatin is a protein made from animal products. Gelatin is used for weight loss and for treating osteoarthritis, rheumatoid arthritis, and brittle bones (osteoporosis). Some people also use it for strengthening bones, joints, and fingernails. Gelatin is also used for improving hair quality and to shorten recovery after exercise and sports-related injury. (source webmd)