With its delicious berry flavor, Hyaluronic Acid for Joints, Skin & Eyes by Hyalogic may be the tastiest way to give your joints an added nutritional boost. Hyaluronic acid is the primary component of synovial fluid, a natural substance that lubricates joint surfaces. Each serving of Hyaluronic Acid for Joints delivers 60 mg of hyaluronic acid. Gluten free. No artificial ingredients.