Use this text to showcase a review from one of your customers. A great review is honest and speaks to the concerns of your customers.

Customer name

Essentials

If you’d like to add printed materials back to your order, please close and reopen your browser.

Cart 0

Would you like printed documents with your order? You’ll always receive a digital copy by email, so choosing digital helps save paper and reduce CO₂

Congratulations! Your order qualifies for free shipping You are $500 away from free shipping.
Sorry, looks like we don't have enough of this product.

Products
Pair with
Subtotal Free

Shipping, taxes, and discount codes are calculated at checkout

Your Cart is Empty

Vitamins
Transparency
Our Standards

Acerola

$18.00

Out of stock

Skin+

$36.00

Out of stock

L-Tyrosine

Found in:
Poultry, fish, dairy products, nuts, seeds, and soy products

Form Used:
L-Tyrosine

Supplier:
Nutribl - Troo Health Care Ltd
Essex, United Kingdom

Final Packging:
PersonaPath
Horsens, Denmark

Function:
Amino acid used to produce dopamine, adrenaline, and thyroid hormones, supporting mood, stress response, and cognitive function

Wondering if you need it?
Take our free vitamin assessment.
Click here

—

At PersonaPath

We use free-form L-Tyrosine, the naturally occurring amino acid, because it’s easily absorbed and directly supports the production of key neurotransmitters involved in focus, alertness, and stress resilience.

—

Pairs perfectly with L-Tryptophan to support a calmer, more restful night routine

Official Health Claims

All health claims on this page are approved by the European Food Safety Authority (EFSA) and comply with the Danish Veterinary and Food Administration (Fødevarestyrelsen) regulations.*

Below, you’ll find only official, permitted health claims, nothing exaggerated, nothing misleading. Just clear, science-backed information to help you make informed decisions about your health.

Regulations as of 2025

As of now, there are no authorized health claims for L‑tyrosine in the EU under the EU Register of Nutrition and Health Claims (Regulation (EC) No 1924/2006).

Evidence that Matters

We focus on nutrients backed by solid research and stay up to date with the latest science.

Here are a few studies that show why we choose them that you might find interesting.

Tyrosine for the treatment of depression

American Journal of Psychiatry

Read Study

L-tyrosine alleviates autism-like behavior in mice by remodeling the gut microbiota

Southwest University

Read Study

Oral l-tyrosine supplementation augments the vasoconstriction response to whole-body cooling in older adults

Department of Physical Therapy, Des Moines University, USA

Read Study

The Antidepressant Effect of L-Tyrosine-Loaded Nanoparticles: Behavioral Aspects

Southwest University

Read Study

l-Tyrosine as an immunological adjuvant

International Archives of Allergy and Applied Immunology

Read Study

Effect of tyrosine supplementation on clinical and healthy populations under stress or cognitive demands--A review

Leiden University, Netherlands

Read Study

Impact of L-theanine and L-tyrosine on markers of stress and cognitive performance in response to a virtual reality based active shooter training drill

Texas State University, San Marcos, TX, USA

Read Study

L-tyrosine to alleviate the effects of stress?

Universidad Autónoma Metropolitana‑Cuajimalpa, Mexico

READ STUDY

——

There are currently 4,993 published studies on L-Tyrosine

We continually assess new findings to ensure our approach stays grounded in the latest science

Numbers as of 2025

See the studies

Find what suits you

If you need a little help, take our online health assessment to see what we recommend

Take the test now
Collection
Collection
Collection
Collection

We have high standards for emails, too.

Powered by Omni Themes