It said that Skippy's 11 varieties of peanut butter would "strengthen our global presence, and should be a useful complement to our sales strategy in China for the Spam family of products".

BBC: Skippy peanut butter sold to Spam owner

The obesity indication might be particularly useful as a complement to some schizophrenia drugs, which cause significant weight gain.

FORBES: Johnson & Johnson Earnings Jump On Drugs

Some economists reckon that higher taxes would be a useful complement, or even an alternative, to higher interest rates.

ECONOMIST: The economy