Trimethylamine is a product of decomposition of plants and animals. It is the substance mainly responsible for the fishy odor often associated with fouling fish bacterial vagina infections and bad breath. It is also associated with taking large doses of choline.

Thiamine nitrate is an essential vitamin, and can enhance normal neuronal actives.

X-alpha-Gal is a substrate for alpha-galactosidase. It is used for differentiating alpha-galactosidase-positive strains of yeast.