Best L-Tyrosine 500 mg

Best L-Tyrosine 500 mg

Doctor's Best4.7 (5,341 ratings)
Format:Capsule Quantity: 120 Veggie Cap(s) · 120 servings
Goals
$12.38 $0.10 per serving

Product analysis

71 out of 100

Best L-Tyrosine 500 mg offers good value for people who specifically want tyrosine. Clear ingredient disclosure makes direct comparisons easier.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality40

The tyrosine form is identified, but its relative quality remains uncertain. Naming the form alone does not establish an absorption advantage.

Ingredient Transparency100

The tyrosine amount and form are both disclosed. That makes comparison with other tyrosine supplements easier.

Value For Money80

The serving offers favorable value for its tyrosine content. The simple formula also makes that cost comparison easier to interpret.

Customer Satisfaction89

Customer feedback is very positive. A large review base makes the satisfaction pattern more dependable.

Product Focus64

The single-ingredient formula keeps its purpose narrow. Its usefulness depends on wanting tyrosine specifically.

Format
Capsule
Container
120 Veggie Cap(s)
Per serving
$0.10
Customer rating
4.7 · 5,341 ratings
Report analysis

Goals

Brain Health
Impact
Moderate effect
B+ Ingredient FitF PathwaysC EvidenceA+ Formulation Logic
Study evidence
Tyrosine Supportive 7 studies

Ingredients

IngredientAmount per servingScore
Tyrosine (L-Tyrosine)
500 mg 84
Gluten Free Adults 18–50
Report overview
B- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value
Each serving provides 500 mg of L-Tyrosine, at a competitive cost for the amount. The stated form is L-Tyrosine. No additional sourcing or purity information is available.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

The stated form is L-Tyrosine. No additional sourcing or purity information is available.
Tyrosine Chemical Form
The stated form is L-Tyrosine.
Purity and Sourcing Signals
No additional sourcing or purity information is available.

Dose, Safety & Label Transparency100

The label gives an individual amount of 500 mg of L-Tyrosine per serving.
Tyrosine Dosage Adequacy
Each serving provides 500 mg of L-Tyrosine.
Label Transparency and Blends
The tyrosine amount is individually disclosed.

Value80

The cost for the amount of tyrosine is competitive.
Price per Gram of Tyrosine
The cost for the amount of tyrosine is competitive.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Combined L-carnosine and L-tyrosine supplementation as an ergogenic strategy for physical and cognitive performance under fatigue in professional football players.
    Bilgin S; Bozyılan E; Buzdağlı Y; Karaç Öcal Y; Gürkan O; Toktaş S; İnan H; Egil İ; Yarayan YE · Frontiers in nutrition · 2026
    Randomized trial24 participantsBrain Health forTyrosine
  2. Effect of tyrosine supplementation on clinical and healthy populations under stress or cognitive demands--A review.
    Jongkees BJ; Hommel B; Kühn S; Colzato LS · Journal of psychiatric research · 2016
    Narrative reviewBrain Health forTyrosine
  3. Influence of nutritional tyrosine on cognition and functional connectivity in healthy old humans.
    Hensel C; Becker M; Düzel S; Demuth I; Norman K; Steinhagen-Thiessen E; Gallinat J; Lindenberger U; Kühn S · NeuroImage · 2019
    Cross-sectional study286 participantsBrain Health forTyrosine
  4. Dietary Tyrosine Intake (FFQ) Is Associated with Locus Coeruleus, Attention and Grey Matter Maintenance: An MRI Structural Study on 398 Healthy Individuals of the Berlin Aging Study-II.
    Plini ERG; Melnychuk MC; Harkin A; Dahl MJ; McAuslan M; Kühn S; Boyle RT; Whelan R; Andrews R; Düzel S; Drewelies J; Wagner GG; Lindenberger U; Norman K; Robertson IH; Dockree PM · The journal of nutrition, health & aging · 2023
    Cross-sectional study398 participantsBrain Health forTyrosine
  5. Baseline-dependent effect of dopamine's precursor L-tyrosine on working memory gating but not updating.
    Jongkees BJ · Cognitive, affective & behavioral neuroscience · 2021
    Randomized trial45 participantsBrain Health forTyrosine