{"id":11082,"date":"2025-07-31T12:54:27","date_gmt":"2025-07-31T10:54:27","guid":{"rendered":"https:\/\/dwatrolaboratories.com\/?p=11082"},"modified":"2026-10-05T15:35:40","modified_gmt":"2026-10-05T13:35:40","slug":"what-are-amino-acids","status":"publish","type":"slownik","link":"https:\/\/dwatrolaboratories.com\/en\/glossary\/what-are-amino-acids\/","title":{"rendered":"What are Amino Acids? Definition"},"content":{"rendered":"

What are amino acids? The key to how the body functions and to supplementation<\/h1>\n

An introduction to the world of amino acids<\/h2>\n

Amino acids are organic chemical compounds that form the basic building material of proteins \u2013 substances essential to the life of every cell. Without amino acids it would be impossible not only to build muscle, but also for the nervous system to work properly, or for hormones and digestive enzymes to be produced. From the perspective of biology and medicine, amino acids are the foundations of how the body functions.<\/p>\n

In total, more than 500 amino acids have been identified, but 20 standard ones are crucial for humans, of which 9 are exogenous amino acids \u2013 that is, ones that have to be supplied with food, because the body is unable to synthesise them on its own.<\/p>\n

Classification of amino acids \u2013 exogenous and endogenous<\/h2>\n

Exogenous amino acids<\/h3>\n

Exogenous amino acids include, among others, leucine, isoleucine, valine, lysine, methionine, phenylalanine, threonine, tryptophan and histidine. They are essential for maintaining health and for the proper regeneration of the body. Deficiencies of these compounds may lead to weakness, metabolic disorders and even to reduced immunity.<\/p>\n

Endogenous amino acids<\/h3>\n

Endogenous amino acids, in turn, such as alanine, asparagine or glutamine, can be synthesised by the body on its own. Their presence is still important \u2013 particularly in conditions of stress, illness or intense physical exertion, where the requirement increases.<\/p>\n

Conditionally exogenous amino acids<\/h3>\n

It is also worth mentioning the group of conditionally exogenous amino acids, which include arginine, cysteine and tyrosine. Under normal conditions the body produces sufficient amounts of them, but in the case of injuries, illnesses or increased physical exertion, additional support from the diet or from supplementation may be necessary.<\/p>\n

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The role of amino acids in the body<\/h2>\n

Amino acids perform many important physiological functions:<\/p>\n

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