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).

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, ...

There are 20 amino acids in food, and nine of them (if you’re curious: leucine, isoleucine, valine, histidine, lysine, methionine, phenylalanine, threonine, and tryptophan) are essential.

There are 20 amino acids in food, and nine of them (if you’re curious: leucine, isoleucine, valine, histidine, lysine, methionine, phenylalanine, threonine, and tryptophan) are essential.

As one of the nine essential amino acids, lysine is required for the process that your body uses to make proteins to aid in certain functions. (The other eight essential amino acids are histidine ...

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.

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.

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 ...

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 ...