Tryptophan is an essential amino acid that plays a role in the production of serotonin, melatonin, niacin, and nicotinamide. Learn which foods to eat to get more tryptophan.

Tryptophan is a naturally occurring amino acid found in many foods. We explain what it does, how it impacts your health, and what to know about supplements.

Tryptophan: What Does It Do? An amino acid that brings feelings of calm, relaxation, and sleepiness. By Erik Strand, published September 1, 2003 - last reviewed on June 9, 2016 ...

Still, Labuza said tryptophan is an essential amino acid -- it can help with sleep and depression and can be bought over the counter. It's just far more enjoyable when it comes with turkey.

Tryptophan is one of 20 amino acids essential for forming key proteins needed for life. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

L -Tryptophan is one of nine essential amino acids for humans—“essential” in that the body cannot synthesize them, so they must be part of the diet. Fortunately, tryptophan is a constituent of many ...

Tryptophan is a key amino acid in the human diet that is broken down by gut microorganisms, which convert it into multiple metabolites that have various effects on human health.

This amino acid is also useful because the liver uses it to create vitamin B3 (niacin), which is crucial to DNA production. We find tryptophan in tons of food, especially those high in protein.