Free fatty acids are used as an energy source in the body.

Essential fatty acids are vital nutrients for our health.

Essential amino acids cannot be produced by the human body, so they need to be obtained from the diet.

Oh no, I left my wallet at home.

The CIA is the Central Intelligence Agency of the United States.

BSE is a serious neurological disease in cows, and there is a possibility that it can infect humans.

Vitamin B1 plays an important role in energy production.

Vitamin B12 is an important nutrient for maintaining the health of the nervous system.

A song praising his courage was playing.

He assisted my project.