What’s in urine? Urine, 95% of which is water, 2.5% of which is urea, and 2.5% of which is a mixture of minerals, salts, hormones, and enzymes, is not a toxic waste product. Urine is a blood byproduct and though it contains some body waste, it is non-toxic. In 1975, Dr. A.H. Free, published his […]