Do you have enough tryptophan in your diet?

(Natural News) Also known as L-tryptophan, tryptophan is an amino acid used in the biosynthesis of proteins. In infants, it is important for normal and healthy growth. In adults, it maintains nitrogen balance. Tryptophan is also needed to make niacin, which is important for producing the neurotransmitter serotonin. Serotonin promotes healthier and better-quality sleep, relieves depression and...