Your search for "magnesium" revealed the following:

Sale price £91.95 Regular price £130.00 Sale
Sale price £48.90 Regular price £70.00 Sale
On Sale from £63.80 Regular price £83.58 Sale
Sale price £35.99 Regular price £40.00 Sale
On Sale from £28.45 Regular price £34.00 Sale
Sale price £89.95 Regular price £130.00 Sale
Sale price £33.99 Regular price £40.00 Sale
On Sale from £49.90 Regular price £70.00 Sale
Sale price £24.99 Regular price £40.00 Sale
Sale price £98.36 Regular price £130.00 Sale
Sale price £152.57 Regular price £200.00 Sale