Scientists have laid out the entire chemical composition of human urine, revealing that more than 3,000 compounds are found in the fluid, and have published it all in an online database.

Urine Composition. Over 99 percent of urinary solutes are composed of only 68 chemicals which have a concentration of 10 mg/L or more. 42 compounds are actually involved.

Researchers have determined the chemical composition of human urine. The study, which took more than seven years and involved a team of nearly 20 researchers, has revealed that more than 3,000 ...

A urine specific gravity test compares the density of urine and water. ... However, doctors cannot specify low, acceptable, or high values because many factors can affect urine composition.

Your diet significantly impacts urine composition and appearance. Certain foods and supplements contain compounds that, when metabolized, can alter urine clarity.

Objective: To evaluate the effect of a mineral water rich in magnesium (337 mg/l), calcium (232 mg/l) and bicarbonate (3388 mg/l) on urine composition and the risk of calcium oxalate crystallization.