The drink’s formulation includes carbonated water and glucose syrup (12%), providing its effervescence and sweetness. Apple juice from concentrate (2%) adds a natural fruity flavour, while malic acid contributes to its tangy profile. Flavourings enhance the overall taste, and caffeine serves as the primary stimulant. Sweeteners such as aspartame and acesulfame K offer additional sweetness without extra calories. Ascorbic acid functions as an antioxidant, potassium sorbate acts as a preservative, and niacin (vitamin B3) is included to support energy metabolism. ​

Lucozade Energy Apple contains a source of phenylalanine due to the presence of aspartame, making it unsuitable for individuals with phenylketonuria (PKU). Due to its high caffeine content, it’s not recommended for children, pregnant or breastfeeding women, or individuals sensitive to caffeine. It’s advisable to consume this beverage in moderation.