aluminum hydroxide 160mg. magnesium carbonate 105mg How to Use: Adults and children over 12 years: take 10–20 ml after meals and before bedtime, up to 4 times daily. Children 6–12 years: take 5–10 ml after meals and before bedtime, up to 4 times daily. Shake the bottle well before use. Can be taken with or without food, preferably after meals. Do not exceed the recommended dose unless advised by a healthcare professional.