POM Wonderful will be available in a mega-size 710ml bottle at Waitrose stores nationwide from 17 May.
Priced at £3.49, the new sized bottle of the 100 per cent pomegranate juice contains three recommended daily (236ml) servings.
The product represents a price reduction on the juice made from the Wonderful pomegranate, down from to 49p from 63p per 100ml.
The 710ml range is designed to reward loyalty purchasing, while the 236ml introductory size retails at £1.99, with promotions at £1.49 and a two for £3 deal also taking place.
POM Wonderful registered growth of 27 per cent in 2009.