L-Tyrosine 1,000mg per Serving, 120 Veggie Capsules (L Tyrosine Supplement for Memory, Attention, and Focus) Amino Acid, Vegan Safe, Non-GMO by Double Wood
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Review Analysis Results
Analysis Summary
This product shows a moderately concerning pattern with approximately 42% of reviews appearing potentially inauthentic. The review set contains 14 total reviews with an overwhelmingly positive distribution - 10 five-star reviews (71%), 3 four-star reviews (21%), and only 1 three-star review (7%). The verification status shows 7 verified purchases and 7 unverified reviews, creating a balanced but concerning mix where some unverified reviews contain suspiciously detailed product knowledge that appears copied from marketing materials.
Several reviews exhibit textbook promotional language patterns, such as review #11 which states: 'Tyrosine is a nonessential amino acid the body makes from another amino acid called phenylalanine. It is an essential component for the production of several important brain chemicals called neurotransmitters...' This reads like copied scientific literature rather than personal experience. Similarly, review #1 includes what appears to be marketing copy: 'To increase the effectiveness of tyrosine supplements, you should take them on an empty stomach and combine them with key cofactors...'
The timing and repetition patterns raise concerns, with review #2 and #9 being identical duplicates from the same user ID. Many reviews lack specific, personal experiences and instead use generic praise like 'Great stuff' or 'Works as intended' without elaboration. However, some reviews show authentic characteristics, including specific usage scenarios (schoolwork focus, post-chemo cognitive issues), mixed ratings with genuine criticisms (empty capsules, messy product), and realistic timeframes ('nearly a year now').
Key positive indicators include the presence of legitimate critical feedback about product quality issues and varied user experiences. The main concerns center around duplicated content, suspiciously educational language that appears copied, and the unusually high percentage of five-star reviews without corresponding depth in many cases. The product appears to be a legitimate supplement but may be receiving coordinated promotional reviews alongside genuine customer feedback.
Key patterns identified in the review analysis include: duplicate reviews from same users, scientific/marketing copy in reviews, generic praise without specific experiences.
Review Statistics
Price Analysis
Double Wood's L-Tyrosine is competitively positioned in the mid-range supplement market with good value for its vegan formulation and dosage. Check current Amazon pricing against the $18-$45 typical range for similar products. Look for Subscribe & Save or coupon offers to secure the best deal.
MSRP Assessment
Market Position
Buying Tips
Understanding This Analysis
What does Grade D mean?
This product has significant review authenticity issues. Many reviews show patterns consistent with fake or incentivized reviews. Exercise caution.
Adjusted Rating Explained
The adjusted rating (3.60 stars) represents what we estimate this product's rating would be if fake reviews were removed. This product's adjusted rating is lower than Amazon's displayed rating (4.60 stars), suggesting positive fake reviews may be inflating the score.
How We Detect Fake Reviews
Our AI analyzes multiple factors: language patterns (generic vs. specific), reviewer behavior (history, timing), temporal anomalies (review clusters), verification status, sentiment authenticity, and statistical outliers. No single factor determines a review is fake - we look at the combination of signals.
Important Limitations
No automated system is perfect. Sophisticated fake reviews can evade detection, and some genuine reviews may be incorrectly flagged. Use this analysis as one data point in your purchasing decision, not the only factor. Reading actual review content yourself is always valuable.
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