Clinically proven to improve your reaction speed and accuracy while decreasing tiredness- Berocca Boost is an instant- natural fuel that sparks your body and mind. You’ll be recharged and revitalised by Berocca Boost’s unique combination of vitamins and minerals. Plus you’ll gain an extra surge from the added guarana- a fast-acting natural energizer that comes from an Amazonian berry. The result? You’ll be more awake- more alert – and ready to take on anything at a moment’s notice.