Probably better to get it in-store....I think people have problems with their on-line orders a lot. Besides they're great at giving advice in store about what can help your situations or needs.
Some examples of the many products you'll find on sale...
30 Glucosamine Sulphate Tablets (1000mg) - £2.74 (Normally £10.99)
120 Glucosamine Sulphate Tablets (1000mg) - £8.99 (Normally £35.99)
60 Cod Liver Oil Capsules (1000mg) - £2.17 (Normally £4.49)
100 Iron Tablets (15mg) with Vitamins & Minerals (15mg) - £1.47 (Normally £5.89)