Your search for "magnesium" revealed the following:

Sale price £69.90 Regular price £90.00 Sale
Sale price £89.03 Regular price £130.00 Sale
Sale price £48.86 Regular price £70.00 Sale
On Sale from £100.60 Regular price £130.00 Sale
Sale price £29.95 Regular price £40.00 Sale
Sale price £13.99 Regular price £20.00 Sale
Sale price £98.78 Regular price £130.00 Sale
Sale price £24.17 Regular price £35.00 Sale
Sale price £111.84 Regular price £146.51 Sale
Sale price £14.99 Regular price £25.00 Sale