$6.79 $0.04 per serving
Product analysis
L-Tyrosine Powder may help attention during acute stress or sleep loss. The evidence does not establish a broad cognitive benefit for well-rested adults.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality20
The tyrosine form is unspecified, limiting confidence in its exact type. There is too little information for a dependable form-quality comparison.
Ingredient Transparency63
The serving amount is clearly disclosed. The unspecified form leaves the exact type difficult to compare.
Value For Money100
The tyrosine serving offers favorable value. Its relative cost compares well for the declared ingredient contribution.
Customer Satisfaction79
Customer feedback is very positive on average. Hundreds of ratings provide a useful satisfaction picture, without proving a cognitive benefit.
Product Focus64
The single-ingredient formula is concentrated on tyrosine's relevance to attention under strain. Its performance findings mainly concern acute stress or sleep loss, leaving routine use in rested adults uncertain.
- Format
Powder - Container
- 3 Ounce(s)
- Per serving
- $0.04
- Customer rating
- 4.7 · 707 ratings
Goals
Impact
Moderate effect
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
L-Tyrosine | 660 mg |
Tyrosine · 660 mg OverallScore88
Each serving provides 660 mg of L-Tyrosine; the estimated cost per gram of tyrosine is low. No specific sourcing or purity assurance is available.
How this ingredient is rated
Active Ingredient Quality & Bioavailability70
It uses L-Tyrosine. No specific sourcing or purity assurance is available.
Tyrosine Chemical Form
It uses L-Tyrosine.
Purity and Sourcing Signals
No specific sourcing or purity assurance is available.
Dose, Safety & Label Transparency100
Each serving provides 660 mg of tyrosine. That amount falls within the commonly researched range for acute cognitive support. The amount is stated separately.
Tyrosine Dosage Adequacy
Each serving provides 660 mg of tyrosine. That amount falls within the commonly researched range for acute cognitive support.
Label Transparency and Blends
The tyrosine amount is stated separately.
Value100
The estimated cost per gram of tyrosine is low.
Price per Gram of Tyrosine
The estimated cost per gram of tyrosine is low.
Alternative products
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Combined L-carnosine and L-tyrosine supplementation as an ergogenic strategy for physical and cognitive performance under fatigue in professional football players.
- Effect of tyrosine supplementation on clinical and healthy populations under stress or cognitive demands--A review.
- Influence of nutritional tyrosine on cognition and functional connectivity in healthy old humans.
- 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.
- Baseline-dependent effect of dopamine's precursor L-tyrosine on working memory gating but not updating.