Trimethylamine N-oxide, in short written as (TMAO) is the organic compound with the formula (CH3)3NO. 

This colorless solid is usually encountered as the dihydrate. It is an oxidation product of trimethylamine and a common metabolite in animals.

People who eat animal blood, pork meat, unclean animals, red meat become victims to the metabolite which also occurs in animals.

Metabolite process goes as follow; Meat contains L-carnitine, L-carnitine is a substance found in meat, being responsible for introducing gut bacterias in the human body.

The gut bacteria are the convertors which converts carnitine to rimethylamine N-oxide (TMAO). TMAO causes Cardiovascular disease.

Health issues

A recent study indicates that high levels of TMAO are associated with an increased risk of cardiovascular disease. High levels of TMAO are found in the blood after consuming foods containing carnitine.