Medically reviewed by Allison Herries, RDN L-tyrosine is an amino acid that's often used in supplements to improve cognitive ...

l-tyrosine supplement, and ashwagandha capsules and the results are amazing. Normal thyroid vitamins and supplements contain selenium 200mcg. However, Clean Nutra has officially created an even ...

“L-tyrosine is a precursor to dopamine, the neurotransmitter that aids in motivation, mood regulation, and pleasure,” says ...

It is a high-quality product that provides excellent support for neurotransmitter production and thyroid gland function. We have personally used the Nutricost L-Tyrosine Supplement and have ...