Berocca Boost supports the release of positive energy so you can be at your best whatever daily challenges you're facing. The formula of magnesium, zinc, calcium, vitamin C and all eight B vitamins helps release energy from your food, reduces tiredness and boosts stamina and mental alertness. This combination with additional caffeine and guarana makes Berocca Boost a good choice for when you need that extra boost of energy. Features and benefits - Energy multivitamin with a high dose of B vitamins which work together to release energy from your food - Great tasting delicious guava flavour - Helps support immune defence. Contains vitamin C and zinc to support your immune system. Vitamin C is an antioxidant and supports nervous system function - Helps improve alertness and concentration - Helps improve physical stamina and reduce tiredness and fatigue - Helps enhance mental performance - Only 6 - 8 calories per serve - Contains about as much caffeine as an average cup of coffee - Vegan friendly: Berocca does not contain any raw materials from animal origins