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Phenylalanine: its properties, functions, and dosages
Author: Slauta Alexander - sports nutrition specialist and gym trainer. All articles by the author ➤
We have already talked about many amino acids that are vital for sports. But it is important not to forget about them even if you do not lead an active lifestyle. After all, our body is a complex mechanism that is active 24 hours a day. And amino acids are a very important component of its functioning. Today we will talk about phenylalanine, highlight its properties, and see how it is used in sports. Phenylalanine is an essential amino acid that is part of the structure of all living organisms. In the human body, it is present in all proteins, tissues, and tendons but can also exist in free form. Since phenylalanine is classified as an essential amino acid, its intake must come from food or dietary supplements on a regular basis. Properties and Functions1. Increases mental activity and improves mood This amino acid serves as raw material for the formation of tyrosine. However, this only occurs when tyrosine is not sufficiently provided by the diet. This is a crucial continuous chain because, with the help of tyrosine, substances such as adrenaline, dopamine, and norepinephrine are synthesized, which are involved in the conduction of nerve impulses. Thus, these substances influence human behavior and mental state. Therefore, phenylalanine participates in the conduction of nerve impulses. Consequently, in cases of increased stress and physical activity, it supports biological processes in the brain. It is not uncommon for phenylalanine to be prescribed as a treatment for depression and mental disorders. After all, this amino acid helps produce endorphins (the hormones of happiness). 2. Contributes to the strengthening of tendons and ligaments For an athlete, the condition of tendons and ligaments is essential. Here, phenylalanine is a primary substance included in the composition of these tissues. Therefore, it is vital for the normal functioning of the ligamentous apparatus. This means it is also crucial for muscle mass gain since working with heavy weights is impossible without strong ligaments. 3. Regulates skin color Phenylalanine regulates the natural skin color through the pigment melanins synthesis chain. In the course of life, white spots may appear on the skin; at this moment, an adequate supply of phenylalanine in the body ensures the restoration of normal skin color in those areas. 4. Participates in the work of internal secretion organs This amino acid is involved in the functioning of internal secretion organs such as the thyroid gland and adrenal glands. Without phenylalanine, the synthesis of thyroxine—the hormone of the thyroid gland, which regulates the rate of breakdown and "burning" of excess nutrients—cannot occur. Use in SportsFrom the properties mentioned above, it is clear that the intake of phenylalanine should be regular, even if you are not a professional athlete. What can be said about athletes who undergo constant physical strain and experience stress from training? The value of phenylalanine in bodybuilding and fitness is immense. It is used both in gaining muscle tissue and in the process of eliminating subcutaneous fat. It is no coincidence that this substance is included in many fat burners. Moreover, the property of this amino acid to enhance concentration and improve mood is beneficial during workouts to make them more productive, as well as during the recovery process. It is no secret that rest is the foundation of progress in bodybuilding. So having a good mood during rest will reflect positively on the overall state of the body.Doses and UsageThe normal dosage ranges from 100 to 500 mg per day. However, for individuals actively training in strength styles, this dosage differs considerably, ranging from 500 mg to 1500 mg. It is important not to forget about components such as vitamin C, B6, copper, niacin, and iron. These substances stimulate the synthesis of phenylalanine. Remember to take them in sufficient quantities. In sports nutrition stores, phenylalanine is represented by only two companies: ContraindicationsPhenylalanine-containing supplements should not be consumed by pregnant or breastfeeding women. Additionally, the supplemental intake of this amino acid is contraindicated when taking antidepressants. An increased dosage (more than 4 g per day) can lead to headaches. ConclusionWhen discussing any substance used in sports in the context of heavy physical loads, it is essential not to overlook other components. Since the body is a complex mechanism where everything is interconnected, if you receive something in excess but are deficient in other elements, proper body function cannot occur. Everything must be taken in the right amount. If you are a training athlete, you should incorporate additional components comprehensively. I have analyzed the properties and functions of phenylalanine and can say that the intake of this supplement should be carried out regularly, both during moderate training and during intense physical activity. Personal Fitness Training by the Author of This Article:
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