Your search for "magnesium" revealed the following:

Sale price £79.99 Regular price £90.00 Sale
Sale price £89.90 Regular price £130.00 Sale
On Sale from £30.10 Regular price £40.00 Sale
Sale price £59.00 Regular price £90.00 Sale
Sale price £36.99 Regular price £50.00 Sale
Sale price £130.89 Regular price £150.00 Sale
Sale price £54.50 Regular price £70.00 Sale
Sale price £134.95 Regular price £150.00 Sale
Sale price £133.69 Regular price £150.00 Sale
Sale price £62.90 Regular price £90.00 Sale