Tyrosine is considered a non-essential amino acid, meaning that your body can make it from another amino acid, phenylalanine. That being said, it can also be found in a variety of foods, including wheat germ, oats, cheese and other dairy products, pork, turkey, chicken, and other wild game. Tyrosine or L-tyrosine can also be taken as a supplement. PKU is a condition in which individuals cannot make this amino acid from phenylalanine; in these cases, supplementation is necessary.
Medicinal Uses For Tyrosine
Neurotransmitter Effects
One of the more important medicinal uses of this amino acid comes from its ability to be converted to the following neurotransmitters: dopamine, epinephrine and norepinephrine. These neurotransmitters play an integral role in memory, attention and problem solving, depression and mood, as well as our stress response. Studies have shown that tyrosine, most likely due to its ability to increase the levels of the aforementioned neurotransmitters, may have the ability to fight fatigue and improve memory and mental functioning, particularly under the influence of environmental stressors, including sleep deprivation due to stress. It has also been shown to calm anxiety and help to improve mood and outlook.
Thyroid Support
Tyrosine is also involved in the synthesis of the thyroid hormone thyroxine. It is commonly recommended that individuals suffering from thyroid dysfunction supplement with this amino acid to increase metabolic activity and help to alleviate hypothyroid symptoms. As a substance that increases or up-regulates norepinephrine, this amino acid can also cause relatively quick and significant increases in energy, especially useful for individuals suffering from chronic fatigue or fibromyalgia.
Tyrosine Supplement Varieties
Tyrosine can be found in capsule form, either alone or in combination with other amino-acids, or supplements formulated to support thyroid, mood, energy and attention. This amino acid is considered safe at high doses. Some research has shown it has been associated with increased blood pressure in some individuals. If you have moderately high blood pressure or are at risk for high blood pressure, consult a qualified healthcare practitioner before supplementing with tyrosine and have your blood pressure checked regularly.
