Urine is usually light yellow and mostly transparent, while the more water you drink, the clearer the urine is likely to be
Kim H, Back JH, Han G, Lee SJ, Park YE, Gu MB, et al
Nat Commun 8(1):113
Contamination can lead to adverse effects such as headaches, dizziness, nausea, vomiting or other more serious effects depending on the contaminated substance
At the same time, glycine is also an obligatory co-agonist at N-methyl-D-aspartate (NMDA) receptors, a type of excitatory glutamate receptor in the brain
The gut microbiota is metabolically highly active and it produces a range of different compounds, including neuroactive molecules, such as acetylcholine, catecholamines, -aminobutyric acid, histamine, melatonin, and serotonin