Your search for "magnesium" revealed the following:

Sale price £92.43 Regular price £130.00 Sale
Sale price £24.15 Regular price £30.00 Sale
Sale price £116.90 Regular price £150.00 Sale
Sale price £159.14 Regular price £200.00 Sale
Sale price £27.95 Regular price £40.00 Sale
Sale price £68.90 Regular price £90.00 Sale
Sale price £67.99 Regular price £90.00 Sale
Sale price £58.99 Regular price £70.00 Sale
Sale price £82.97 Regular price £130.00 Sale