Gu's little blue bottle is a special kind of amino sugar for external use, which contains not only amino sugar, chondroitin and sodium hyaluronate, but also natural plant extracts such as Sambucus williamsii, Panax notoginseng and safflower. Supplementing joint nutrition in an all-round way and repairing joint strain such as shoulder, neck, knee, ankle and wrist can quickly relieve pain and relieve joint and muscle discomfort. It is a good helper for joint maintenance.