Berocca® Boost As with every Berocca product, Berocca Boost is packed with vitamins and minerals. It also contains caffeine*, plus guarana a herb native to the Amazon basin, which is a natural source of caffeine. Berocca® Boost Effervescent Tablets With caffeine for a little kick when you need it most!* Learn more Find The nearest shop Get more time in your day with less time shopping. Get your Berocca from a store nearby. find now Discover The Energy Blog Feeling tired? Learn about how to stay on top form with good sleep, exercise and more! How to help support your immune system LEARN MORE Feeling tired and fatigued? LEARN MORE *Contains caffeine which helps improve alertness. Do not exceed 400mg of caffeine per day. Not suitable for those pregnant or breastfeeding.