Berocca Energy is Science Backed and Vitamin Packed with 12 essential vitamins and minerals. The powerful formula contains magnesium, zinc, calcium, vitamin C and all 8 B vitamins which helps release energy from your food, reduces tiredness and supports physical stamina. Only 6 – 8 calories per serve. Improves energy without relying on a sugar or caffeine hit. Vegan friendly: Berocca Energy does not contain any ingredients derived from animal origins. Intended for everyday use: our clinical studies show that Berocca Energy works best when taken daily for 28 days.