Your search for "magnesium" revealed the following:

Sale price £52.62 Regular price £70.00 Sale
Sale price £39.95 Regular price £50.00 Sale
Sale price £97.55 Regular price £130.00 Sale
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Sale price £59.95 Regular price £90.00 Sale
Sale price £139.95 Regular price £150.00 Sale
Sale price £53.27 Regular price £70.00 Sale
Sale price £50.95 Regular price £70.00 Sale
Sale price £83.32 Regular price £90.00 Sale
Sale price £32.99 Regular price £40.00 Sale