Gas-O-Fast also comes in yummy fruity flavours like Lemon, Orange and Guava. The strong flavour and yummy taste add a fruity punch to your drink and provides quick relief from acidity and heartburn. You can also get Gas-O-Fast tablets. Available in effervescent Orange flavour, Gas-O-Fast tablets instantly dissolve in water, giving you a fizzy drink to savour on, while fighting your acidity. One tablet, and goodbye acidity! Gas-O-Fast makes sure that you don’t have to give up on your favourite delicacies because of acidity, and you enjoy all your meals!