Washington D.C., Feb. 10 -- : The protein supplement might be harming your body more than you know. According to a recent study people taking the protein supplementL-norvaline should be aware of its potential for harm.

L-norvaline is an ingredient widely used in bodybuilding supplements and is promoted as a compound that can boost workouts and aid recovery. According to the research, even at relatively low concentrations, the amino acid L-norvaline could make cells unhealthy and eventually kill them.

Proteins in our diet contain amino acids that are released in our gut and then used by our bodies to build new proteins. L-norvaline is one of the hundreds of amino acids that are not normally used to make proteins in humans.

In recent years...