Nature\'s Bounty Hyaluronic Acid 20mg 30 capsules The hyaluronic acid is a natural compound present throughout the body; their highest concentrations are found in connective tissues such as skin and cartilage. Optimum levels of hyaluronic acid are essential for maintaining joint flexibility and skin hydration; as it can help stimulate the uptake of water and nutrients into the skin and articular cartilage. Promotes optimum cushioning between bones, improving mobility and flexibility, and promotes a radiant healthy looking skin to maintain softness and elasticity of the skin