Premier Research Labs

Premier Research Labs Tyrosine Matrix

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A conditionally essential amino acid precursor to both hormones and neurotransmitters. Tyrosine supports mood during times of occasional stress, healthy metabolism and normal thyroid function.


Serving Size 3 Capsules
Calcium 30 mg
(as calcium carbonate from Aquamin F)
L-Tyrosine 944 mg
Tyro-Synergy Support 270 mg
Rhodiola rosea (root) Extract, Aquamin F Mineralised Red Algae (whole) (Lithothamnion sp.), Organic Turmeric (rhizome) (Curcuma longa), Chinese Salvia (root) (Salvia miltiorrhiza)
Other Ingredients: Vegetable Cellulose Capsule.
Please note: Due to the natural components of Premier Research Lab’s supplements, ingredient levels may change between product batches. Please refer to product label if uncertain.


Take 3 capsules daily, or as directed by your healthcare practitioner.


Nutritional supplements should be stored in a cool, dry place, with caps tightly closed, and out of reach from children. Take only as directed.