'White-label' refers to goods that are supplied without branding and so carry the retailer's or other branding etc. This company supplies such goods and other goods. QD suggests you especially favour those shown as being produced in the UK.
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The company sells lots of other foodstuffs which are listed in its Retailers:. The site address is above & the owl can fly you there.
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You will find some tasty recipes on this site. + Larger than usual buys can produce worthwhile savings.