L-Tyrosine is a non essential amino acid that is used in the brain as a precursor to neurotransmitters called catecholamines such as dopamine, norepinephrine, and epinephrine, which may support energy and focus.
Tyrosine can also support levels of the thyroid hormone T4 (thyroxine) for those with low levels.
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I notice that I am more tired if I forget yo take this. I’m due for my blood results this week so I’m also hoping it’s helped my T-4 levels.
Great review, thank you Jayne!