taurine : A nonessential amino acid known for its heart benefits.

thiamin; vitamin B1 : This sulfur (thia) and nitrogen (amin) compound, the first of the B vitamins to be isolated and identified, helps ensure a healthy appetite.

thiocyanates: The smelly sulfur compounds that make you turn up your nose at the aroma of boiling cabbage.

trans fatty acid: Fats that are partially hydrogenated and increase bad cholesterol.

triglycerides: Fats your body uses to make adipose tissue and burns for energy.

tryptophan: An essential amino acid well known for its ability to dramatically affect the levels of the neurotransmitter — serotonin.

tyrosine: An essential amino acid necessary for dopamine and norepinephrine — the alertness neurotransmitters.