| | Alternative Medicine | Urine Therapy How much urine is excreted? An average adult produces about 800 to 2,000 milliliters (about 1 3/4 quarts to 2/3 gallon) of urine a day. Urine Therapy - Related Articles Discover Your Medicare Options Remedies for Asthma Sufferers With Cat Allergies How to Bathe Your Feet to Stay Healthy Acne & Gluten Free Diets Hazardous Waste Generator Regulations Why would a 40yr old male have blood in his urine? What Are the Benefits of Bowen Therapy?