can interact with a class of antidepressants known as MAOIs.
and Tetracyclics (TCA's) along with the MAOI's, are considered the
classic antidepressant drugs.
body uses tyrosine to make brain chemicals, such as dopamine, which
can influence mental health.
tricyclics and related antidepressants like tetracyclics are part
of the 'cyclic' antidepressants because of their ringed structures.
work within the brain to affect several neurotransmitters.
is a precursor to neurotransmitters and increases plasma neurotransmitter
levels (particularly dopamine and norepinephrine).
may have antidepressant effects, but studies are inconclusive
tyrosine with an MAO inhibitor can cause a dangerous increase in blood
at the VU University Medical Center, in Amsterdam, the Netherlands,
show that depression is associated with low-not high-blood pressure
but that taking certain antidepressants, particularly tricyclic antidepressants
(TCAs), tends to raise blood pressure and increase the risk for hypertension.
animal study published in the "Proceedings of the National Academy
of Sciences" studied the effect of tyrosine injections on the
blood pressure of male rats. Researchers found that tyrosine actually
reduced rat blood pressure.
study on tyrosine and blood pressure was published in the journal
"Brain Research Bulletin" in 1994. This study looked at
the effect of tyrosine on healthy human subjects. Tyrosine was found
to reduce diastolic pressure but had no effect on systolic blood pressure.
study published in "Brain Research Bulletin" also found
that tyrosine supplementation reduced blood pressure in people.
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