MagLax Bolus is a mild laxative/antacid for cattle that is indicated for oral use only as an aid in the treatment of digestive disturbances. Each bolus contains 19.6 grams of magnesium oxide in a flavored base. Administer 2 to 4 boluses daily depending on condition and size of animal. Three boluses equal one quart of milk of magnesia. Call toll free 1-800-892-6978 or email us at info@animalhealthusa.com