Ammonia can be produced by the break-down of amino acids, or by the gut bacteria in humans. If the level of ammonia in the blood becomes too high, then it becomes toxic to the brain. The urea cycle ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A 25-year-old woman in Australia died after consuming too much protein, in the form of protein ...

In humans and mammals, almost 80% of the nitrogen excreted is in the form of urea, which is produced through a series of reactions occurring in the cytosol and mitochondrial matrix of liver cells.