Phillips' Milk of Magnesia

Antacid: Fast effective relief of heartburn, upset stomach & acid indigestion
Laxative: Gentle effective relief of occasional constipation

Each mL contains: 80mg of magnesium hydroxide.

Directions
Antacid: Adults: 1 to 3 teaspoonfuls (5-15mL) with a little water up to 4 times a day or as directed by a doctor.
Laxative: Take the recommended dosage, preferably at bedtime. Follow with a full glass of water. Produces bowel movement in 1/2 to 6 hours. 
Dosage: Age 12 and older: 2-4 tablespoonfuls (30-60mL), Children 6-11 years: 1-2 tablespoonfuls (15-30mL), 2-5 years: 1-3 teaspoonfuls (5-15mL). Consult a doctor for use in children under 2 years.

Non-Medicinal Ingredients: sodium hypochlorite solution, water.

Caution: Consult a doctor before taking this product if you suffer from kidney disease, are on tetracycline, or have noticed a sudden change in bowel habits persisting for over 2 weeks. Not to be used when abdominal pain, nausea, fever or vomiting are present. Do not take within 2 hours of other medicines because the effectiveness of the other medicine may be altered. Overuse or extended use may cause dependence for bowel function. If symptoms persist for more than 1 week, see a doctor. Rectal bleeding or failure to have a bowel movement after use may indicate a serious condition; discontinue use and consult a doctor. In case of accidental overdose, contact a Poison Control Centre or your doctor immediately. KEEP OUT OF REACH OF CHILDREN.