Eno Regular Na bicarbonate 2.32 g, Na carbonate 0.50 g, anhydrous citric acid 2.18 g. Eno Lemon Na bicarbonate 2.29 g, Na carbonate 0.50 g, anhydrous citric acid 2.16 g
A02AH - Antacids with sodium bicarbonate ; Used in the treatment of acid-related disorders.