Sainsbury's Food Cupboard Single Bars Kit Kat Chunky

% DV refers to how much a single serving of an individually packaged food or supplement contributes nutritionally to your daily diet, based on a 2,000-calorie-a-day diet. Generally, having 5% DV or less of a nutrient per serving is considered low, and 20% DV or more of a nutrient per serving is considered high.