Glucosamine is an amino sugar, meaning it is made from a protein molecule mixed with a sugar molecule. It occurs naturally in the body, although production may decrease with age. Glucosamine is not easily obtained from food sources, so supplements provide a safe and easy way to top up. Glucosamine is widely sold as a food supplement and has had much research carried out into its potential benefits. Natures Aid Glucosamine Liquid provides an alternative to taking tablets and is a pleasant blackcurrant and apple flavour. Each 15ml Natures Aid? Glucosamine Liquid provides 1500mg Glucosamine plus vitamin C. Natures Aid Glucosamine HCI 1500mg Liquid with Vitamin C contributes to normal collagen formation and normal function of cartilage.