Barr Soft Drinks is tapping growing interest in energy with additional functional benefits with new Rockstar XD POWER. Set to broaden the appeal of one of the leading big can flavoured energy brands, Rockstar XD POWER comes in two 500ml variants, Blue Raz and Hardcore Apple. Performance is delivered by 200mg of caffeine per can, complemented by Branched Chain Amino Acids helping fuel protein synthesis and muscle recovery. XD POWER also contains Rockstar B Vitamin blend, impacting energy levels and brain function. Both variants are zero sugar and free from artificial flavours and colours.