Chondroitin is a related compound to Glucosamine & research shows that the combined action of the two may enhance the supplements ability to achieve the desired result Cartilage helps cushion your joints & protect them Cartilage is a connective tissue which amongst other things helps to protect your joints by acting as a cushion between them It is not as hard as bone & can wear away over time Chondroitin helps to draw fluid into your joint cartilage Our regular-strength combination tablet provides a FULL 500mg of Glucosamine Sulphate from 699mg Glucosamine Sulphate 2 K Cl alongside 100mg of our high-grade 90 Chondroitin Sulphate in an easy-to-swallow shapednbsptablet form Ensure you dont buy an inferior quality supplement BUYING TIP Some other manufacturers only include low-grade 20 Chondroitin Sulphate versus the 90 material we use here at Just Vitamins so please be aware when comparing products & prices Chondroitin is an expensive compound so its not surprising that they will try to cut corners We believe our Glucosamine & Chondroitin combination tablet to be the best value for the quality you can find