Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Acetyl L-Tyrosine is a modified form of the amino acid L-Tyrosine, which is a precursor to important neurotransmitters such as dopamine, norepinephrine, and epinephrine. Its use to support the nervous system is based on the premise that increasing tyrosine availability may help maintain neurotransmitter synthesis, particularly under conditions of stress or cognitive demand. Several studies have investigated L-Tyrosine supplementation and found modest effects on cognitive performance and stress resilience, especially in situations involving acute stress, sleep deprivation, or intense mental effort. However, the evidence is mixed and often uses regular L-Tyrosine rather than the acetylated version. While Acetyl L-Tyrosine is believed to have better bioavailability, direct clinical studies on this specific form are limited. The overall body of evidence suggests a potential, but not robust, benefit for supporting aspects of nervous system function, such as cognitive performance under stress. There is insufficient evidence to support its routine use for general nerve health or for chronic neurological conditions. Therefore, the scientific support for Acetyl L-Tyrosine in nervous system support is limited and rates at a 2 out of 5.

More about Acetyl L-Tyrosine
More about Nerves

Other ingredients that support Nerves

Other body systems supported by Acetyl L-Tyrosine

Products containing Acetyl L-Tyrosine