Boots Max Strength Glucosamine & Vitamin C Joint Support Tablets 180 TabletsGlucosamine 1400 mg and Vitamin C Food Supplement, 180 Tablets 6 month supply What does it do? Glucosamine is a building block of the cartilage and is naturally found in the fluid surrounding the joints. Our max strength Glucosamine formula also contains Vitamin C which supports collagen production for healthy cartilage. Cartilage helps reduce friction and acts as a cushion between the joints. Free from Artificial Colours, Flavours and Preservatives.