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Amino acid, which will help you to model your figure and which will improve the work of your mind?

Amino acids are the small bricks from which proteins are constructed, i.e. the nutrient which plays a fundamental role in most biological processes. Amino acids fulfil many tasks, including guarding the correct functioning of the brain, taking care of good muscle work and helping to build them, as well as participating in the process of regeneration of the body. It is worth finding out more about the key amino acids. Some of them, provided in food or dietary supplements, can improve the work of our mind, regulate our mood, improve metabolism, support fat burning or activate muscle tissue growth.

Amino acids – what are these molecules? What is the role of amino acids in the body?

Amino acids (amino acids) are organic compounds, without which the functioning of the body would not be possible. They are the building material of proteins, are included in the composition of peptides, polypeptides, alkaloids, from some amino acids are synthesized hormones, nucleic acids and neurotransmitters necessary for the proper functioning of the nervous system. There are 20 basic (standard) amino acids which form the structure of proteins, and several hundred other amino acids which perform functions in the body other than building.

The most important functions of amino acids:

  • build proteins,
  • take part in the synthesis of hormones, neurotransmitters, enzymes, nucleic acids, haemoglobin,
  • support the immune system, take part in the production of antibodies,
  • support muscle function, participate in the development of muscle tissue, prevent the breakdown of muscle proteins (catabolism), improve muscle regeneration after exercise,
  • facilitate absorption of minerals,
  • improve brain function,
  • reduce fatigue,
  • help burn fat tissue,
  • improve circulation,
  • promote cell and tissue renewal,
  • participate in the metabolism of fats and carbohydrates,
  • build hair, nails, skin and improve their regeneration.

Structure of amino acids

Amino acids contain two functional groups in their structure – a basic amino group (-NH2) and an acidic carboxyl group (-COOH), a hydrogen atom and the side chain R. All these elements are connected to the central carbon atom by covalent bonds.

Amino acids – classification, types of amino acids

There are several different divisions of amino acids, in which various criteria are taken into account. One of the most important is the division of amino acids according to their ability to be synthesized by the body. And so, we distinguish here:

  • endogenous amino acids (those which can be synthesized by the body itself),
  • exogenous amino acids, the so-called essential amino acids (those which the body cannot produce on its own, and which are supplied with food).

Endogenous amino acids are:

  • alanine,
  • asparagine,
  • aspartic acid,
  • cysteine,
  • glutamine,
  • glutamic acid,
  • glycine,
  • proline,
  • tyrosine,
  • serine.

The essential amino acids are:

  • phenylalanine,
  • leucine,
  • isoleucine,
  • lysine,
  • methionine,
  • threonine,
  • valine,
  • tryptophan.

Another division of amino acids is one in which the main criterion is the structure of the side chain. Here we distinguish:

  • hydrophobic amino acids, or non-polar (aliphatic amino acids, aromatic amino acids),
  • hydrophilic amino acids, or polar amino acids (basic amino acids, acidic amino acids, neutral amino acids).

Another division classifies amino acids according to the functions they perform. One can distinguish here, among others:

  • Protein amino acids,
  • non-protein amino acids,
  • sulfur amino acids,
  • glycogenic amino acids (sugar generating),
  • fat-forming amino acids.
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The most important amino acids (properties, role in the body, sources of amino acids in food)

Improved intellectual performance, more efficient regeneration of the body, better results in terms of physical fitness, faster effects on fat reduction and body shape modelling – these are just some of the benefits we can obtain by increasing the supply of amino acids in our diet. Amino acids in food can also be supplemented with amino acids in the form of supplements, especially if we do intellectual work, if we lead an active lifestyle and train regularly, if we are looking for support for our nerves, or if we need an additional boost for our immunity. Which amino acids are particularly worth paying attention to and when?

Amino acids BCAA

BCAA is the name for a group of three branched-chain amino acids. These are: leucine, isoleucine, valine. Each of them belongs to exogenous amino acids, i.e. those which our organism is not able to produce on its own, and which must be supplied from the outside. This group of amino acids is most often used by people in training, who want to improve their physical performance or accelerate the muscle modelling process.

The main properties of BCAA amino acids are:

  • block catabolic processes that lead to the breakdown of muscle tissue,
  • stimulate protein synthesis in muscles,
  • regulate the process of energy acquisition by muscles,
  • normalise blood sugar levels,
  • improve exercise capacity,
  • increase muscle endurance,
  • accelerate post-workout muscle recovery,
  • help reduce fat tissue,
  • accelerate the process of body sculpting,
  • improve mood, combat insomnia,
  • have a positive effect on the nervous system.

When it comes to the presence of BCAA amino acids in food, large amounts of them can be found in dairy products and other articles rich in protein. So, we should look for them primarily in: meat, fish, eggs, milk, cheese, yogurt, seeds, beans, soy, nuts.

Alanine

Alanine is an endogenous amino acid included in proteins. Although it is produced inside the body, in some cases it is recommended to supplement it by eating plenty of products rich in it or taking appropriate dietary supplements (in preparations for exercising, alanine is most often found in the form of beta-alanine).

High alanine requirements are observed in very active people, who are exposed to frequent physical exertion and intensive muscle work. Alanine is one of the key amino acids responsible for energy processes during increased activity. By participating in the glucose-alanine cycle and nitrogen transport between muscles and the liver, it ensures that our muscles have a constant supply of fuel, even during very long and demanding workouts.

How alanine works:

  • takes care of proper muscle nutrition,
  • counteracts fatigue,
  • allows you to train longer and harder,
  • improves muscle strength and endurance,
  • accelerates muscle mass gain,
  • strengthens the immune system.

Large amounts of alanine can be found in fish, meat, yellow cheese, gelatin, legumes, eggs, sprouts, bran and millet.

Glutamine

Like alanine, glutamine is also an amino acid produced by the body, but as our physical activity increases, the demand for it increases. Glutamine can be supplemented by taking supplements, or by consuming foods such as eggs, milk, tofu, poultry, beef, corn, broccoli, cabbage, beans, kale and rice.

Glutamine performs extremely important tasks, both in terms of muscle, immune and digestive systems. It is also not without a significant impact on carbohydrate metabolism in the body.

The most important action of glutamine:

  • reduces muscle catabolism,
  • stimulates muscle mass growth,
  • improves physical performance, increases muscle strength and endurance,
  • reduces the risk of overtraining, stimulates the muscle regeneration process,
  • fights viruses and bacteria, improves immunity,
  • improves intestinal function,
  • helps regulate blood sugar levels.

Arginine

Participates in many metabolic processes (e.g. Arginine participates in many metabolic processes (e.g. transformation of toxic ammonia into urea) and in the production of nitric oxide in the body, has a beneficial effect on the functioning of the cardiovascular system, improves detoxification of the body, seals, makes blood vessels more flexible and dilates them, prevents blood clots, balances blood pressure, eliminates erectile dysfunction, increases immunity – these are the main properties of arginine, a protein amino acid synthesised from other amino acids such as proline, citrulline or glutamic acid.

Arginine also has an effect on our physical condition. It increases energy levels, strength and endurance during increased activity. It also stimulates the regeneration process after exercise. What is important for people aiming to build muscles, arginine takes part in the production of growth hormone and accelerates muscle tissue growth.

Rich sources of arginine in food include: dairy products, eggs, meat, seafood, fish, sunflower seeds, pumpkin seeds, sesame seeds, soya beans, lentils, nuts, and almonds.

Check: Titanodrol – amino acid supplement to stimulate muscle mass gain

Tyrosine

Tyrosine is a protein amino acid synthesized from the amino acid phenylalanine. It is an endogenous amino acid, but in many cases it is recommended to supplement it in the diet or in supplements, especially if you are a very active person, or if you suffer from concentration problems, reduced mental productivity, body weakness and reduced well-being.

Important neurotransmitters responsible for transmitting impulses between neurons, such as dopamine, epinephrine and norepinephrine, are synthesized from tyrosine.

Here are some of the numerous functions of tyrosine in the body:

  • reduces physical and mental fatigue,
  • improves performance,
  • regulates thyroid function,
  • participates in the production of collagen and melanin,
  • suppresses appetite,
  • speeds up metabolism,
  • reduces susceptibility to stress,
  • reduces anxiety and depression,
  • has a positive effect on memory and concentration,
  • regulates mood,
  • improves thought processes, improves brain performance.

Which foods contain a lot of tyrosine? Cheese and other dairy products are considered to be the most valuable source of this amino acid. Tyrosine can also be found in eggs, fish, meat, legumes, oats, nuts, sesame, avocado.

Read also: Diet for the brain

Tryptophan

A prominent biological role is played by tryptophan – a protein amino acid not produced in our body, but supplied in the diet. It can be found in foods such as milk, eggs, bananas, yellow cheese, cottage cheese, mould cheese, pumpkin seeds, beans, soya beans, chickpeas, lentils, bran, lean meat, fish and flaxseed. Tryptophan is also included in many dietary supplements, most often targeted at active people, weight loss sufferers, those looking for a remedy for sleep problems, those fighting stress and decreased mental productivity.

Tryptophan is involved in many bio-processes, and it is also a precursor for other compounds essential for proper body function. Tryptophan is used to produce serotonin, one of the most important neurotransmitters responsible for good mood, mental balance, and effective intellectual performance. It is also used to produce melatonin, an organic compound that regulates the daily rhythm and minimizes sleep disorders.

The most important areas of tryptophan action:

  • builds proteins,
  • stimulates the production of melatonin, contributes to the regulation of sleep and wakefulness rhythms,
  • reduces appetite, suppresses obsessive thoughts about food, counteracts preoccupation with problems and negative emotions,
  • participates in the synthesis of certain vitamins,
  • improves bowel function,
  • stimulates the production of serotonin, improves mood, relieves nervous tension, reduces depressive states,
  • eliminates psychophysical fatigue,
  • minimizes stress,
  • has a positive effect on concentration, memory and mental productivity.

Read the review of the top supplement for good brain function: Brain Actives

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Sources:

  • https://www.webmd.com/vitamins-and-supplements/qa/why-do-athletes-take-branchedchain-amino-acids-bcaas
  • https://www.webmd.com/vitamins-and-supplements/qa/what-are-symptoms-of-serotonin-syndrome-linked-to-ltryptophan
  • https://www.medicalnewstoday.com/articles/324229
  • https://www.healthline.com/nutrition/tyrosine#section2

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