Your search for "magnesium" revealed the following:

Sale price £156.46 Regular price £200.00 Sale
Sale price £49.20 Regular price £70.00 Sale
Sale price £59.99 Regular price £90.00 Sale
Sale price £144.15 Regular price £200.00 Sale
Sale price £13.99 Regular price £20.00 Sale
Sale price £47.22 Regular price £70.00 Sale
Sale price £39.99 Regular price £70.00 Sale
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Sale price £86.41 Regular price £110.00 Sale
Sale price £77.99 Regular price £90.00 Sale