Magnesia S. Pellegrino is a laxative and antacid. Lemon flavoured effervescent powder. Directions: Adults: As a laxative 3 level 5 mL medicinal measuring spoonful. As an antacid 1 level 5 mL medicinal measuring spoonful. To be taken morning or night in half a glass of milk or water. Drink plenty of water and increase fibre in diet. Ingredients: Formula for 125 g Magnesium Hydroxyde, Tartaric Acid, Sodium Bicarbonate, Sucrose, Lemon Flavour FA-15600 Warnings: Prolonged use of laxatives is undesirable and may lead to dependance.