L-Tyrosine from Jarrow Formulas helps support healthy brain chemistry and cognitive performance by supplying a key neurotransmitter precursor, helping you stay focused under stress. This brand, Jarrow Formulas, is known for science based formulations and transparent quality controls. Rigorous testing and current Good Manufacturing Practices compliant processes help ensure clean, potent capsules you can trust.

Available Sizes & Variants:

100 capsules L-Tyrosine - Handy daily supply for steady mood and focus.

Benefits & Features:

• Supports daily mental focus during demanding tasks.
• Key active ingredient provides a neurotransmitter precursor to help maintain focus.
• Designed for ongoing use with rigorous quality controls.
• Helps mood balance during challenging periods.
• By supplying the body with a neurotransmitter precursor, L-Tyrosine helps support sustained cognitive performance and alertness when you face stress or mental fatigue throughout the day.

Jarrow Formulas has earned a reputation for science based formulations and high quality supplements. L-Tyrosine is produced with careful purification and rigorous testing to ensure potency and purity. The star ingredient supports neurotransmitter production, a key part of staying sharp under stress. The brand's heritage of transparency and strict quality standards means you can trust every capsule to perform as promised. This brain support sits alongside trusted staples like creatine monohydrate and vitamin d supplement, and many users also take l theanine supplement.

L-Tyrosine, L-Tyrosine

• GTIN: 790011150015
• Manufacturer: Jarrow Formulas
• Categories: Jarrow FormulasL-Tyrosine
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Take one capsule of Jarrow Formulas L-Tyrosine, 500mg, once or twice daily, preferably on an empty stomach or as directed by a healthcare professional. Store in a cool, dry place. Warning: Consult your healthcare provider before use if you are pregnant, nursing, taking medication, or have a medical condition.

Please consult the product packaging for accurate instructions on how to use the product.

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: L-Tyrosine

L-Tyrosine is basically an amino acid that your body uses to make neurotransmitters tied to mood and mental function.

This formulation presents L-Tyrosine in capsule form as the main active ingredient, with typical pharmaceutical-quality manufacturing processes to ensure purity and potency.

What Does L-Tyrosine Do?

L-Tyrosine is involved in making dopamine and noradrenaline, which are linked to focus and alertness. Dr. Deijen from the University of Groningen found that L-Tyrosine can help sustain working memory and performance in situations of acute stress.

EFSA-aligned understanding notes that this amino acid plays a role in neurotransmitter synthesis, which supports normal cognitive function under demanding conditions.

This product isn't meant to diagnose, treat, cure, or prevent any disease.

Jarrow Formulas rests on a science-led manufacturing base, using pharmaceutical-grade equipment and thorough, multi-step testing that consistently exceeds typical industry standards. This commitment to purity and potency is matched by a transparent quality culture that has earned wide industry recognition, including ConsumerLab’s ranking of Jarrow as a top probiotics brand for customer satisfaction in 2019 and 2021, showing solid trust across their product line. This brand is highly regarded for its openness and customer-first stance, which aligns with Welzo’s standards for safe, well-supported supplementation. Our medical team reviews and backs our picks, and you can explore their evaluation at our medical team. We also lean on our quality certification process to verify testing and certifications behind every product, detailed at our quality certification process.

For this L-Tyrosine supplement, Jarrow Formulas’ heritage as a science-based formulator makes the brand especially well suited to delivering a dependable neurotransmitter precursor base, while upholding clear, well-documented manufacturing standards that back consistent product quality.