Your search for "magnesium" revealed the following:

Sale price £111.99 Regular price £150.00 Sale
Sale price £49.90 Regular price £70.00 Sale
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Sale price £118.99 Regular price £150.00 Sale
Sale price £39.99 Regular price £50.00 Sale
Sale price £129.90 Regular price £150.00 Sale
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Sale price £124.90 Regular price £150.00 Sale
On Sale from £36.95 Regular price £50.00 Sale
Sale price £19.99 Regular price £30.00 Sale