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Science-Based Health Benefits of L-Tyrosine

Science-Based Health Benefits of L-Tyrosine

L-tyrosine is an important amino acid that’s a precursor to the neurotransmitters dopamine, norepinephrine and epinephrine.

It’s popular as a nootropic and it’s frequently used as a supplement to boost attention, focus and alertness.

L-tyrosine is included in Thyroid Support by Beyond Vita®. 

1. Thyroid Health

It’s essential to maintain normal levels of thyroid hormones because they help a person maintain an optimal metabolism and weight.1

L-tyrosine is an important part of the production of the two thyroid hormones triiodothyronine (T3) and thyroxine (T4). The body combines l-tyrosine with iodine and selenium to make thyroid hormones.

A 2007 study found tyrosine was able to increase the production of triiodothyronine.2

Researchers in another 2015 study found a reduction in circulating tyrosine levels resulted in a reduction of thyroid hormone levels.3

L-tyrosine has also been shown to prevent a decrease in thyroid hormone production during periods of chronic stress.4

L-tyrosine may help the production of thyroid hormones.

2. Cognitive Performance

Since l-tyrosine is a precursor of the neurotransmitters dopamine, norepinephrine and epinephrine it’s possible it may be useful for increasing cognitive performance and alertness by preventing the depletion of these key neurotransmitters.5

L-tyrosine supplementation has been shown to reduce the decline cognitive and motor performance of sleep deprived people.6,7

A 2015 study found tyrosine supplementation was able to promote cognitive flexibility.8 It’s also been shown to increase working memory while multitasking.9

Additionally tyrosine supplementation has been shown to improve cognitive function under stress.10

L-tyrosine may help improve cognitive function by preventing the depletion of certain neurotransmitters.

Recommendations

L-tyrosine is an important amino acid that may help increase thyroid hormone production and improve cognitive performance.*

We recommend Thyroid Support by Beyond Vita®.  It includes the best science supported natural ingredients including l-tyrosine.
Try our rated Beyond Vita® supplements 100% risk-free with our 90-day satisfaction guarantee. If you are not happy for any reason you will receive a full refund. It's that simple.
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