L-Glutamic acid
Glycine
L-Alanine
L-Lysine
L-Histidine
L-Isoleucine
L-Leucine
L-Valine
L-Proline
L-threonine
L-Tyrosine
L-Glutamine
Taurine
Sarcosine
L-Aspartic acid
L-Phenylalanine
Lactate
Glucose
Pyruvic acid
Acetate
Butyrate
Formate
Propionate
L-Fucose
Sucrose
Xylose
Galactose
Ascorbic acid
Succinic acid
5-Aminopentanoic acid
Ethanol
Methanol
Propylene glycol
Methylamine
Putrescine
Hypoxanthine
Dimethylamine
Methylguanidine
Trimethylamine
Choline
Allantoin
Acetoin
Dimethyl sulfone
Uracil
Urea
Caffeine