Proteins are made up of 20 amino acids, often referred to as the building blocks of protein. These amino acids fall into three categories: essential, nonessential and conditional (or semi-essential).

Byproducts from gut bacteria breaking down tryptophan, a dietary amino acid, can restore hormone-secreting gut cells reduced ...

It may be an essential amino acid, but tryptophan has a concerning connection to arthritis. Now, researchers from the University of Colorado say they have identified the means in which bacteria in the ...

Essential Amino Acids: These amino acids cannot be synthesized by the body and must be obtained through dietary sources. The nine essential amino acids are histidine, isoleucine, leucine, lysine, ...

4. Tryphtophan: The amino acid tryptophan is linked to sleepiness, and it is also a precursor to serotonin, a neurotransmitter involved in appetite, sleep, and mood regulation.

The amino acid in question is called tryptophan – it is crucial for baby growth, and in adults, it is used to make proteins and enzymes as well as muscles and neurotransmitters.

A new research paper was published in Oncotarget on November 22, 2022, entitled, “Essential amino acids as diagnostic biomarkers of hepatocellular carcinoma based on metabolic analysis.” ...