Amino Acids – Everything About These Complex Molecules That Aid in the Body’s Proper Functioning

Amino acids are organic molecules essential for life, playing an important role in the body. These compounds are known for their ability to form proteins. Proteins, in turn, are the building blocks of cells, tissues, and organs in living organisms. Let’s go over the details of what amino acids are, their structure, how many types of amino acids exist, and their roles in the body.

Amino Acids – What They Are and Why They Are Important

Amino acids are organic compounds that contain two important functional groups: the amino group (-NH2) and the carboxyl group (-COOH). These functional groups are attached to a central carbon atom, called the alpha-carbon (α-carbon). In addition to these, the alpha-carbon is bonded to a hydrogen atom and a specific side chain. The latter gives each amino acid its unique characteristics.

What are Amino Acids and What is Their Role?

As mentioned, amino acids are organic molecules that represent the basic units of proteins. They are fundamental and have a variety of essential roles in the body. In this regard, we can mention the regulation of metabolic processes and protection against oxidative stress. These molecules are very important for the normal functioning of cells and organisms as a whole.

The Role of Amino Acids in the Body

Amino acids are essential for the proper functioning of the body for several reasons:

• Protein Synthesis: Amino acids are the foundation of protein structures. By linking them into long, complex chains called polypeptides, they form essential elements of life, from cellular structure to metabolic functions.
• Transport and Storage of Chemical Substances: Some amino acids serve as a link for transporting nitrogen between tissues and organs. Other amino acids with chemical reactions, such as histidine, are involved in the storage and release of oxygen and other nutrients in the body.
• Regulation of Metabolic Processes: Amino acids are involved in regulating the activity of enzymes and other essential proteins for cellular metabolism. For example, the amino acid tyrosine is a precursor to important cellular signaling molecules such as dopamine and adrenaline.
• Protection Against Oxidative Stress: Cysteine and glutamic acid are part of antioxidants. These help protect cells from damage caused by free radicals and oxidative stress.

Due to their roles, amino acids are also important for those who go to the gym, contributing to improved endurance and reduced fatigue. They also benefit hair, stimulating growth and preventing damage. Finally, another essential aspect is related to maintaining a healthy weight. Adequate amino acid intake can contribute to weight loss by improving metabolism. Of course, maintaining a proper weight also involves other measures, such as a correct diet and regular exercise.

Known and Less Known Foods for EAA Amino Acid Intake

Poultry, beef, fish, eggs, and dairy products are excellent sources of protein, providing the 9 essential amino acids. Although many proteins are obtained from these foods, there are also plant-based sources rich in essential and non-essential amino acids. Below, we present several naturally sourced products that can provide amino acids in beneficial formulas for the body:

• Legumes and Soy Products: Chickpeas, black beans, lentils, and other legumes contain amino acids, particularly lysine. Soy products are also valuable sources of protein.
• Seeds and Nuts: Chia seeds, flax seeds, sesame seeds, and nuts are excellent sources of protein. They contain a multitude of amino acids or proteins important for the body.
• Whole Grains: Oats, quinoa, and brown rice are grains rich in protein and amino acids, which can supplement the body’s required intake.

A product highly valued for its health benefits is aronia juice. Aronia fruit contains smaller amounts of amino acids but is rich in essential nutrients. It contains antioxidants and vitamins A, C, E, K, P, as well as potassium, calcium, iron, magnesium, and zinc.

Regular consumption of organic aronia juice helps support muscle health, metabolism, and the immune system. This product is recognized for its quality and 100% natural origin. It is also specially formulated to benefit over 100 conditions and has a vegan composition. Additionally, it is completely free of sugar, preservatives, additives, flavors, or colors. Include aronia juice in your daily diet and discover the benefits of a natural product!

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Essential Amino Acids – Types of Amino Acids and Their Importance for Proper Body Function

Essential amino acids are those that the human body cannot synthesize endogenously. Therefore, they must be obtained from the diet. These amino acids play a role in protein synthesis, tissue regeneration and repair, hormone and enzyme production, and supporting the immune system. There is a table of amino acids with 20 representatives, of which 9 are essential.

Classification of Essential Amino Acids

1. Isoleucine: It is important for protein synthesis and is involved in regulating blood sugar levels and hemoglobin levels.
2. Leucine: It plays an essential role in protein synthesis, muscle growth, and recovery after workouts.
3. Lysine: It is involved in muscle growth, calcium absorption, and the formation of collagen and other structural proteins. Lysine is an amino acid for muscle mass, suitable even for performance athletes.
4. Methionine: It is essential for protein synthesis and is a precursor to other important substances in the body, such as glutathione and carnitine.
5. Phenylalanine: It is a precursor to other important amino acids and chemicals, such as tyrosine and neurotransmitters (dopamine and norepinephrine). Thus, it can be said that phenylalanine is part of the group of amino acids for the brain.
6. Threonine: It is involved in the formation of collagen, elastin, and other structural proteins, as well as in the synthesis of glycogen and other biochemical compounds.
7. Tryptophan: It is a precursor to serotonin, being important for regulating mood and sleep, as well as for protein synthesis.
8. Valine: It is essential for protein synthesis, for maintaining nitrogen balance in the body, and for providing muscle energy.
9. Histidine: It is essential for tissue growth and repair, as well as for the synthesis of histamine, which is important for the body’s immune response.

Amino Acids from Diet

Now that we know how many essential amino acids there are, we must remember that it is good to obtain them from food. We have the option to opt for liquid amino acids with benefits for the body. These are absorbed faster in the body than the solid form. At the same time, let’s not forget that it is best to obtain natural amino acids from food, through digestion.

How to Supplement Diet with Natural Amino Acids

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Amino acids, by definition, are the building blocks of proteins and play an essential role in the proper functioning of the human body. Although many foods are rich in essential amino acids, sometimes it is necessary to supplement intake to support metabolic needs. Here’s how we can ensure this requirement through both supplements and diet:

Amino Acid Supplements

Amino acid supplements are available in a variety of forms, including tablets, capsules, powders, and liquids. These may contain isolated amino acids or mixtures. Supplements can be used to complement the diet and ensure adequate intake of non-essential and essential amino acids.

Diet

An effective way to obtain the necessary amino acids is through diet. Protein-rich foods are excellent sources of essential and non-essential amino acids. These include meat, fish, eggs, dairy products, legumes, nuts, and seeds.

Protein Supplements

Protein supplements, such as whey, soy, or rice protein, can be used to boost amino acid intake. These are particularly indicated for active individuals or those following an intense training program.

BCAA Amino Acids (Branched-Chain Amino Acids)

BCAAs, represented by leucine, isoleucine, and valine, are essential amino acids with particular importance for muscle growth and recovery. Supplementation with BCAAs can be particularly useful for performance athletes.

Supplementing amino acid intake has numerous benefits for health and physical activity, including:

• Supporting Muscle Growth: Amino acids, especially branched-chain amino acids (BCAAs), enhance protein synthesis and support muscle growth and recovery after workouts.
• Boosting Sports Performance: Amino acid supplementation can improve sports performance, endurance, and recovery after intense physical exertion.
• Improving Mood and Mental Health: Some amino acids, such as tryptophan and tyrosine, are precursors to important neurotransmitters. These are serotonin and dopamine, which can influence mood and cognitive function.
• Supporting General Health: Amino acids play a very important role in numerous essential physiological processes and can contribute to maintaining overall body health.

Despite their numerous benefits, it has been observed that BCAA amino acids have side effects if not consumed carefully. Therefore, it is advisable to consult a doctor for a suitable dietary plan. It is important to be aware of certain precautions and recommendations when considering amino acid supplementation:

• Always consult a doctor or specialist before starting any amino acid supplementation regimen. This is especially true if you have medical conditions or are undergoing other treatments.
• Follow the dosage instructions and manufacturer recommendations when incorporating amino acid supplements into your diet.
• Pay attention to product quality and safety. It is also advisable to purchase supplements from reliable sources and always check product labels.
• Amino acid supplementation should not replace a balanced and varied diet. It is important to obtain the necessary amino acids from food as well.

Conclusion

Amino acids are fundamental to our health, playing essential roles in protein synthesis and optimal body function. Choosing a varied diet offers benefits by providing a complete spectrum of amino acids and nutrients, including vitamins, minerals, antioxidants, and fiber. Include protein-rich foods, as well as fruits and vegetables, in your diet to obtain all essential and non-essential amino acids in the correct proportions!

In addition to diet, to ensure your body functions properly, consider including food supplements in your routine that can provide your daily optimal dose of amino acids.

References:
1. https://www.medicalnewstoday.com/articles/324229#types
2. https://pubmed.ncbi.nlm.nih.gov/32180036/
3. https://www.ncbi.nlm.nih.gov/books/NBK234922/
4. Jakobek L., Novak I., Medvidović-Kosanović M., Å eruga M – Antioxidant Activity and Polyphenols of Aronia in Comparison to other Berry Species.
5. Shahidi F. Antioxidants in food and food antioxidants. Nahrung. 2000 Jun;44(3):158-63.