Joint Health with Invite Health s Collagex Ha (Hyaluronic Acid) is a powdered formula supplying a proprietary blend of nutrients for joint health including hydrolyzed Collagen, ensuring better absorption. Herbal ingredients, along with Hyaluronic Acid, help support comfort, flexibility, hydration, and the ability to use the joint for day-to-day activities in older people. Collagen is also very important for the skin, hair, nails and bone.