Your search for "magnesium" revealed the following:

Sale price £36.99 Regular price £50.00 Sale
Sale price £88.60 Regular price £130.00 Sale
Sale price £98.95 Regular price £130.00 Sale
Sale price £36.20 Regular price £50.00 Sale
Sale price £97.69 Regular price £130.00 Sale
Sale price £92.98 Regular price £130.00 Sale
Sale price £52.99 Regular price £70.00 Sale
Sale price £30.49 Regular price £40.00 Sale
Sale price £23.15 Regular price £30.00 Sale
Sale price £69.99 Regular price £90.00 Sale