30% OFF Glucosamine Hi strength 2KCl 90 TabletGlucosamine is a chemical that is already in your body naturally. As people age, those levels possibly drop and taking glucosamine in a supplement has been found to help maintain these levels. If you have allergies to shellfish, you may wish to take advice before taking this supplement. Contains no added sugar, salt, lactose, gluten, yeast, flavours, colours or preservatives.