Your search for "magnesium" revealed the following:

Regular price £96.36
Sale price £49.99 Regular price £70.00 Sale
Sale price £59.89 Regular price £90.00 Sale
Sale price £127.80 Regular price £130.00 Sale
Sale price £59.95 Regular price £90.00 Sale
Sale price £29.45 Regular price £40.00 Sale
Sale price £89.89 Regular price £90.00 Sale
On Sale from £24.53 Regular price £30.00 Sale
Sale price £129.05 Regular price £150.00 Sale