Amino Acids Supplements – Amino Acid Safety and Amino Acid Toxicity

Amino Acids are the building blocks of protein. They can be broken down into different categories. The non-essential amino acids, the essential amino acids, and then the branched chain amino acids (which are three of the essential amino acids).

The branched chain amino acids (BCAAs for short) are the most abundant of the essential amino acids.

Quite Simply, the essential amino acids are the amino acids regarded as essential for human life. They are leucine, isoleucine, valine, phenylalanine, threonine, tryptophan, methionine, lysine and histidine. These amino acids are considered essential since we cannot ‘make’ them in our bodies so we must consume them in our diets on a semi-regular basis.

Of this list, Leucine, IsoLeucine and Valine (collectively the Branched Chain Amino Acids) make up 35% of the essential amino acids found in human muscle.

The BCAAs are well known for their important role in muscle growth by signaling protein synthesis through the mTOR pathway, and their ability to stimulate insulin. During the digestion process the proteins we consume are broken down into individual amino acids and these amino acids then enter circulation. They can either be used to build new proteins or be burned as fuel to produce energy. This is one of the main reasons why people follow high protein diets and take amino acid supplements. It is also why people take protein after workouts.

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Source: Amino Acid Supplements