UPDATE 1-Glaxo buys protein-drinks firm Maxinutrition
December 13, 2010 at 06:16 AM EST
LONDON, Dec 13 (Reuters) - GlaxoSmithKline said on Monday it had agreed to buy protein drinks firm Maxinutrition for 162 million pounds ($256 million) from its private-equity owners to complement its Lucozade sports drinks franchise.