Your search for "magnesium" revealed the following:

Sale price £57.95 Regular price £70.00 Sale
Sale price £59.90 Regular price £90.00 Sale
Sale price £16.99 Regular price £20.00 Sale
Sale price £89.95 Regular price £130.00 Sale
Sale price £160.28 Regular price £200.00 Sale
Sale price £13.99 Regular price £20.00 Sale
Sale price £29.99 Regular price £40.00 Sale
Sale price £62.93 Regular price £90.00 Sale
Sale price £91.75 Regular price £130.00 Sale
Sale price £69.92 Regular price £90.00 Sale