Dayang Boost Effervescent 20 Tablets is a food supplement based on guarana, caffeine, vitamins and minerals, with sweeteners, designed to combat fatigue and improve mental performance.Caffeine promotes energy and alertness, while guarana helps reduce mental fatigue and acts as a tonic to strengthen the body. In addition, vitamins B2, B3, B5, B6, B9, B12 and C, as well as magnesium, contribute to reducing fatigue.Orange flavor.Food supplements should never replace a healthy, varied and balanced diet and a healthy lifestyle.