Berocca is a multivitamin product used to treat or prevent vitamin deficiency due to poor diet, certain illnesses, or during pregnancy. It is designed to support mental and physical energy by helping to convert food to fuel and has other key nutrients such as Vitamin C, Magnesium, and Zinc. Berocca comes in the form of an effervescent tablet that is dissolved in water and consumed orally. Berocca Boost is a variation of Berocca that contains caffeine and Guarana, which is a rainforest berry used as an herbal caffeine source, and is designed to support mental sharpness and physical energy when you need to push through the midday slump. Berocca Boost contains zero sugar and only 5 calories per serving and can be used once daily. Berocca is available at drugstores nationwide, primarily in the nutrition/energy support aisle, and can also be purchased online.