Berocca Performance Orange is a caffeine-free, sugar-free effervescent multivitamin supplement that combines 12 essential vitamins and minerals—including all eight B vitamins, high-dose vitamin C, magnesium, zinc, and calcium—to support energy release from food, reduce tiredness and fatigue, and improve mental and physical stamina . Backed by 7 clinical studies, it helps enhance alertness, concentration, and immune defence . Dissolve one tablet in a glass of water daily for a refreshing orange-flavoured drink with only 6-8 calories per serve . Suitable for vegetarians and vegans, and contains no artificial colours or stimulants .