L-Tyrosine – Strength and Stamina
Mateusz Pawlak
2026-03-17
2 min. read
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L-tyrosine is an endogenous amino acid that is naturally produced by our bodies. In certain cases, the amount produced may be insufficient, necessitating supplementation in the diet or through dietary supplements. L-tyrosine has a beneficial effect on the body, which I will describe in detail below.
What is a tyrosine?
L-tyrosine is one of the 22 amino acids that build muscle proteins. In our bodies, it acts as a precursor to the synthesis of neurotransmitters: dopamine, adrenaline, and noradrenaline. It has a positive effect during vigorous exercise and fatigue.
Which individuals should benefit from the effects of tyrosine?
The particularly noticeable effects of tyrosine concern individuals who are obese, athletes, those who engage in very intense training, and those who frequently use solarium. Additionally, supplementation with tyrosine is particularly recommended for individuals who need to strengthen their body and also effectively combat the onset of fatigue and stress. Signs of tyrosine deficiency may include hormonal changes such as hypothyroidism, mood swings, memory problems, and other psychological changes. It is important to note that tyrosine supplementation is forbidden for individuals with excess dopamine levels in their body, as well as for those who have melanoma.
Functions of tyrosine
Tyrosine has numerous beneficial effects: - combats physical and mental exhaustion resulting from prolonged and intense physical exertion by maintaining optimal concentrations of neurotransmitters; - increases and improves the ability to concentrate under increased stress, e.g. at school, at work, on a reduction diet, and in general exhaustion; - supports brain function and increases resistance to stress; - reduces appetite. Additionally, this amino acid stimulates the production of melanin, which facilitates tanning and protects the skin from harmful ultraviolet radiation.
What is the process of L-tyrosine dosing?
L-tyrosine is currently available in the form of capsules, powders, or tablets. Despite the fact that precise dosages are not established, it is presumed that portions are ingested.
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The range from 0.5 to 2 grams is safe yet may not be sufficient to induce an effect. It is generally recommended to take 100 to 150 mg of the substance per kilogram of body weight. However, it is important to note that tyrosine supplementation in doses above 10 grams may result in excessive action. Therefore, adjusting dosages to individual needs and weight is crucial.