Definition of Tyrosine:

A nonessential amino acid but may be essential for individuals with certain diseases or nutritional concerns.  May be important for neurotransmitter synthesis and mood regulation.  May be useful for depression, allergies and addictive states.

Topics Related to Tyrosine


...recommendation L-Tyrosine
“Particular precursors such as tyrosine, which increases dopamine and noradrenaline, show beneficial results in the treatment of mild depression.”
...recommendation Amino Acid Profile
“...Low tyrosine or phenylalanine levels can result in abnormal levels of mood-regulating chemicals in the brain, such as dopamine and catecholamines...”
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More topics Related to Tyrosine

Hives (Urticaria)

...recommendation Vitamin Niacinamide
“Should be taken in combination with Tyrosine.  See Hives/Tyrosine note.”
...recommendation Vitamin B6 (Pyridoxine)
“Should be taken in combination with Tyrosine.  See Hives/Tyrosine note.”

Low Adrenal Function / Adrenal Insufficiency

...recommendation TMG (Trimethylglycine)
“The adrenal gland uses nutrients such as TMG (betaine), tyrosine, vitamins B5, B6 and C to maintain function and produce its hormones.”


...as a treatment
“...Tyrosine is an aromatic amino acid, the hydroxylated form of the essential amino acid phenylalanine...”


...recommendation against L-Phenylalanine
“Cancer patients, such as those with melanoma, should avoid taking L-phenylalanine and/or Tyrosine as these may stimulate the growth of such cancers.”

Myeloproliferative Neoplasm

...the condition
“...Tyrosine kinase inhibitors have improved the prognosis of Chronic Myelogenous Leukemia patients...”
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More topics Related to Tyrosine

Ochronosis / Alkaptonuria

...the condition
“...musculoskeletal manifestation of alkaptonuria – a rather rare (one in 200,000 births) inherited disorder of protein metabolism characterized by an inability of the body to metabolize the amino acids tyrosine and phenylalanine...”


...related topic
“...Precursor to tyrosine which is used to manufacture certain hormones (epinephrine, norepinephrine, dopa, dopamine) which are important for the transmission of nerve impulses...”


...related topic
“...Along with tyrosine, it is used in the treatment of addictions.”

Tryptophan / 5HTP

...as a treatment
“...The effectiveness of 5HTP may be increased with gingko biloba, St. John's Wort, B-complex vitamins with magnesium, tyrosine, flax seed oil, and ginger...”


...related topic
“An amino acid synthesized in the body from the essential amino acid tyrosine that has a sympathomimetic action and is derived from tyrosine.”


...as a treatment
“...Very uncommon crystals include: cystine crystals in urine of neonates with congenital cystinuria or severe liver disease, tyrosine crystals with congenital tyrosinosis or marked liver impairment, or leucine crystals in patients with severe liver disease or with maple syrup urine disease...”
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