Your search for "magnesium" revealed the following:

Sale price £129.90 Regular price £150.00 Sale
Sale price £83.04 Regular price £90.00 Sale
Sale price £88.76 Regular price £137.52 Sale
Sale price £50.99 Regular price £70.00 Sale
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Sale price £67.95 Regular price £70.00 Sale
Sale price £29.76 Regular price £40.00 Sale
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Sale price £23.19 Regular price £30.00 Sale
Sale price £61.90 Regular price £90.00 Sale