What percentage of reviews are fake for this product?

42.00% of the analyzed reviews appear to be fake or inauthentic.

What is the authenticity grade for this product?

The product receives a grade of D based on review authenticity analysis.

How many reviews were analyzed?

15 reviews were analyzed for authenticity patterns.

What is the adjusted rating after removing fake reviews?

After removing suspicious reviews, the adjusted rating is 3.50 out of 5 stars.

How does this analysis help consumers?

This analysis helps consumers identify products with manipulated reviews, enabling more informed purchasing decisions based on genuine customer feedback.

Is this product priced fairly on Amazon?

Based on AI price analysis, this product is Unable to compare.

How is this product positioned in the market?

This product is positioned as a Mid-range option in its category.

Nutricost L-Tyrosine 500mg, 180 Capsules - Gluten Free & Non-GMO

Name: Nutricost L-Tyrosine 500mg, 180 Capsules - Gluten Free & Non-GMO
Brand: Amazon
SKU: B01AMSMDY0
Availability: InStock
Rating: 3.5 (15 reviews)

ASIN: B01AMSMDY0

Analysis Date: Nov 30, 2025 (re-analyzed Nov 30, 2025)

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Review Analysis Results

Authenticity Grade

42.00%

Fake Reviews

4.47

Original Rating

3.50

Adjusted Rating

Analysis Summary

This product shows a moderately concerning fake review percentage of 42%, indicating a mix of genuine and potentially inauthentic reviews. The rating distribution is heavily skewed with 10 out of 13 reviews being 5-star ratings, creating an unusually positive distribution that raises suspicion. Only one 1-star and one 3-star review provide balance, while the remaining reviews cluster at the highest rating level, which is statistically uncommon for most consumer products.

Several reviews exhibit formulaic language patterns common in incentivized reviews. For example, review #2 follows a structured "What I Love:" format with bullet points, while review #12 mentions "results immediately after the first dose" - an unusually rapid effect claim. Review #13 references TikTok marketing and uses excessive enthusiasm with "This is the best thing EVER!" and multiple exclamation points, patterns often seen in compensated reviews.

The timing and specificity indicators show mixed authenticity signals. Several reviews provide detailed personal experiences with specific conditions (thyroid issues, ADHD management) that suggest genuine usage, while others lack substantive details about actual effects. The emotional tone varies from measured and analytical to overly enthusiastic, with some reviews making dramatic claims about life-changing results that seem exaggerated for a dietary supplement.

Key concerns include the high concentration of 5-star reviews with marketing-style language, several reviews mentioning rapid or immediate effects that seem biologically unlikely, and repetitive focus on the same benefits (focus, energy, mental clarity). Positive indicators include the presence of critical reviews, detailed personal health narratives, and some reviews that acknowledge limited effects or individual variability in response.

Key patterns identified in the review analysis include: excessive exclamation points, immediate effect claims, structured bullet-point formatting.

Review Statistics

5,603

Total Reviews on Amazon

-0.97

Rating Difference

Price Analysis

Nutricost L-Tyrosine appears to be a well-reviewed mid-range supplement. Since the current Amazon price is unknown, compare it against similar products ($15-$35 range) and prioritize sellers with strong ratings. Use price tracking tools or wait for Amazon sales events to secure the best value.

MSRP Assessment

Estimated MSRP: Unknown

Source: Unable to determine

Amazon Price: Unable to compare

Market Position

Positioning: Mid-range

Alternatives Range: $15-$35 for 180 capsules of 500mg L-Tyrosine

Value: With strong reviews (4.47/5) and gluten-free/non-GMO claims, this product offers solid value if priced competitively within the mid-range segment.

Buying Tips

Best Time to Buy: No strong seasonal pattern, but prices may dip during major sales events like Prime Day, Black Friday, or New Year wellness promotions.

Deal Indicators: Look for Subscribe & Save discounts, coupon clip offers, or multi-bottle bundles; a good deal is typically 20-30% below the average market price.

Watch For: Watch for sudden price spikes, unusually low prices from new sellers (risk of counterfeit), and check per-capsule cost rather than just total price.

Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Dec 1, 2025

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 (3.50 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 (4.47 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.