L-Tyrosine is a dietary supplement that boosts cognitive function and stress resilience by supplying an essential precursor for neurotransmitters and thyroid hormones. The star ingredient is L-tyrosine in its unbound form, studied by Dr Deijen from the University of Groningen, who found it helps sustain focus and mental clarity, even under pressure. Klaire Labs supports this hypoallergenic, professional grade supplement with strict GMP standards and third party quality certifications.

Available Sizes & Variants:

100 capsules - convenient daily supply.

Benefits & Features:

• Supports everyday focus and mental clarity during demanding moments.
• Key ingredient L-tyrosine serves as a direct precursor to dopamine, norepinephrine, and epinephrine, supporting focus, mood regulation, and a steadier response to stress day by day.
• Vet-grade controls and hypoallergenic capsules keep this suitable for sensitive users.
• Clinical research supports 500–2000 mg daily ranges for cognitive and stress resilience, and benefits are most evident when taken before demanding tasks in real world settings.
• Made under strict GMP standards to ensure purity and potency.

From Klaire Labs, L-Tyrosine arrives in a vegetarian capsule with free form L-tyrosine, emphasising a clean label and hypoallergenic formulation. The product is manufactured under strict GMP and carries third party quality certifications, underscoring safety and potency you can trust. Sourcing is guided by pharmaceutical grade standards and transparent labelling, with USP grade ingredients and a commitment to purity. For a broader daily routine, some users pair this with a vitamin d supplement, or explore stacks including creatine or n acetylcysteine.