Your search for "magnesium" revealed the following:

Sale price £46.05 Regular price £50.00 Sale
Sale price £39.50 Regular price £50.00 Sale
Sale price £69.50 Regular price £90.00 Sale
Sale price £42.29 Regular price £50.00 Sale
Sale price £138.68 Regular price £150.00 Sale
Sale price £42.52 Regular price £50.00 Sale
On Sale from £71.95 Regular price £90.00 Sale
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Sale price £68.60 Regular price £90.00 Sale
Sale price £123.26 Regular price £150.00 Sale
Sale price £69.99 Regular price £90.00 Sale
Sale price £69.07 Regular price £90.00 Sale