Free Irn Bru Energy DrinksGet a Free Irn Bru Energy Drink! Sparkling mixed flavour energy drink with added taurine, caffeine and vitamins. Specially designed to meet the needs of today’s busy lives, IRN-BRU Energy is a great-tasting energy drink from IRN-BRU that gives you a unique and exciting taste experience. It comes in two versions, Regular and No Sugar, both guaranteed to supercharge your day. Get a Free Gunna Pink Punk Raspberry Lemonade 330ml at One Stop via COS. UK only.