The time it takes to see results from taking Glucosamine Sulfate Tablets varies from person to person, ranging from 3 to 14 days. Glucosamine Sulfate Tablets are mainly used to prevent and control various types of osteoarthritis. About 90% can be absorbed after oral intake, and it has a strong affinity for articular cartilage tissues, which can diffuse to the articular cartilage matrix and thus reach the chondrocytes. In general, fast taking 3 days can feel obvious effect, slow sometimes need 2 weeks to see the effect, the effect time varies from person to person. Gastrointestinal reactions such as nausea, constipation, bloating and diarrhea are less likely to occur with this drug. Allergic reactions such as rash, itching and erythema may occur in some patients. It is contraindicated for those who are allergic to this product. Breastfeeding should be suspended when used by lactating women. It should not be used by women during pregnancy. There is no information available on the safe use of the drug in children. Do not take Glucosamine Sulfate Tablets on your own.