An effervescent tablet enhancing the exhilarating effect is provided. The effervescent tablet contains caffeine, a water-soluble base and a foaming composition, wherein the foaming composition contains an organic acid and a carbonate salt. The organic acid and the carbonate salt dissolved in the water can perform an acid-base reaction to release carbon dioxide, which can increase the absorption of the caffeine and the exhilarating effect.本發明係提供一種具加強提神效果之發泡錠，此發泡錠含有咖啡因、水溶性基質及發泡組成物，發泡組成物含有有機酸及碳酸鹽類，其溶於水中後進行酸鹼反應會產生二氧化碳，有助於加速咖啡因的吸收，以加強提神效果。
