Four Proven Ingredients for Joint Health* Joint-4 is composed of four proven ingredients to help with joint discomfort; Glucosamine, Chondroitin, Boswellia, and MSM. At research dosage levels, these ingredients act as ongoing joint support when taken regularly.* ✔️ Glucosamine - Helps promote healthy cartilage* ✔️ Chondroitin - Helps maintain joint heath* ✔️ Boswellia - Supports the body's healthy inflammatory response* ✔️ MSM - Promotes healthy joint tissues and a healthy inflammatory response*