Pernaease Powder Pernaease Powder is a daily health supplement recommended for dogs of all ages showing signs of arthritis. Pernaease Powder is all natural containing no preservatives, artificial flavours or fillers. This supplement is rich in marine concentrates such as Green Lipped Mussel, Shark Cartilage and Abalone Powder. Joint support for dogs showing signs of arthritis All natural rich in marine nutrients Daily powder for dogs of all ages