Synthovial SevenSupercharge your joint, skin and eye health with Award Winning Synthovial SEVEN. Synthovial SEVEN is an oral Hyaluronic Acid dietary supplement that supplements the natural HA in your body. As we age, the body produces less and less Hyaluronic Acid. This has an effect on normal, smooth, comfortable joint movement and normal softness and smoothness of the skin. You can maintain normal mobility, proper skin condition and clear healthy eyes with