Tyrosine Matrix (90 capsules) by Premier Research Labs

Tyrosine Matrix features the amino acid, tyrosine, in addition to Tyro- Synergy Support, an important botanical blend which provides broad spectrum phytochemical support.*

Tyrosine Overview
Tyrosine, a conditionally essential amino acid, is a precursor to the thyroid hormone, thyroxin, and to catecholamine neurotransmitters. Tyrosine also supports mood during times of occasional stress, when dopamine and norepinephrine levels may need additional support.*