Glucosamine sulphate 2KCl 500mg (providing 300mg free glucosamine), calcium (calcium carbonate) 300mg (38% NRV), vitamin C (ascorbic acid) 300mg (375% NRV), binding agent (microcrystalline cellulose, sodium carboxymethyl starch, polyvinylpyrrolidone), glazing agent (hydroxypropyl methylcellulose), anti-caking agent (vegetable magnesium stearate, silicon dioxide).