L-Tyrosine 500 mg

L-Tyrosine 500 mg

Solgar4.7 (1,707 ratings)
Format:Capsule Quantity: 100 Capsule(s) · 100 servings
Goals

Product analysis

57 out of 100

L-Tyrosine 500 mg offers a focused tyrosine option at a favorable cost. Its limited brain-related support concerns acute stress and sleep loss, making it less relevant to routine mental enhancement.

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

Nutrient Quality20

The tyrosine form is not disclosed in the main declaration. Its quality therefore cannot be compared confidently with other preparations.

Ingredient Transparency63

The tyrosine amount is stated, which helps compare servings. Its specific form remains undisclosed.

Value For Money80

The tyrosine contribution offers good value at the serving cost. Price is a favorable part of the buying decision.

Customer Satisfaction84

Buyers generally give positive feedback. A substantial review pool gives breadth to that picture of satisfaction.

Product Focus64

The single active ingredient keeps the purpose clear. Its possible brain-related benefits remain tied to specific stress or sleep-loss situations.

Format
Capsule
Container
100 Capsule(s)
Per serving
$0.18
Customer rating
4.7 · 1,707 ratings
Report analysis

Goals

Brain Health
Impact
Moderate effect
B+ Ingredient FitF PathwaysC EvidenceA+ Formulation Logic

Tyrosine supplies material for brain messengers. The 500 mg serving has limited evidence tied to acute stress and sleep loss, with no assumed broad improvement in everyday thinking.

How this product is rated for Brain Health

Ingredient fit80

The saved findings focus on the included ingredients, with no unrelated active ingredients counted.
Goal fit
All counted active ingredients relate to the goal; links to other goals also inform the saved finding.
Dose adequacy
The saved amount assessment considers 1 ingredients against their individual references.

Pathways11

The main saved connection concerns brain messenger production.
Depth
Brain messenger production is the strongest saved area, remaining below the coverage threshold.
Breadth
No assessed area reaches the saved coverage threshold.

Evidence64

Tyrosine supplies the strongest saved evidence finding, which must be read within the limits of the supplied research.
Evidence strength
Tyrosine leads the evidence finding among ingredients meeting the saved minimum amount reference.
Studied preparation
The saved assessment marks the preparations of 1 counted ingredients as meeting its evidence requirements.

Formulation logic100

The saved checks record no missing required partner or matched ingredient conflict.
Partner coverage
Each counted ingredient can contribute independently under the saved assessment or has its required partner.
Conflicts
No configured ingredient conflict is recorded.
Effective doses
All 1 counted ingredients meet the saved minimum amount threshold.
Study evidence
Tyrosine Supportive 7 studies

Ingredients

IngredientAmount per servingScore
L-Tyrosine
500 mg 84
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Sugar Free Vegetarian
Report overview
Tyrosine · 500 mg OverallScore84
B- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value
Each serving provides 500 mg of L-tyrosine in a clearly disclosed amount. At the whole-product price, that works out to about $0.38 per gram of L-tyrosine.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

The ingredient is identified as L-tyrosine. The saved details do not provide specific sourcing, purity or testing information for the tyrosine.
Tyrosine Chemical Form
The ingredient is identified as L-tyrosine.
Purity and Sourcing Signals
The saved details do not provide specific sourcing, purity or testing information for the tyrosine.

Dose, Safety & Label Transparency100

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

Value80

At the whole-product price, that works out to about $0.38 per gram of L-tyrosine.
Price per Gram of Tyrosine
At the whole-product price, that works out to about $0.38 per gram of L-tyrosine.
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