DEVA Vegan Probiotic Supplement - Pre, Pro, and Postbiotics for Digestive Health, 5 Billion CFU, Soil-Based, Spore-Forming, Dairy Free, FOS Prebiotics, for Women and Men, Vegan Capsules, 90 Count
As an Amazon Associate I earn from qualifying purchases.
Review Analysis Results
Analysis Summary
The review set shows moderate authenticity concerns with a fake percentage of 28%. Analysis reveals: 1) Strong verification rate with 11/15 reviews marked as verified (73%), lending credibility. 2) Highly polarized rating distribution - 12 five-star reviews (80%), 2 four-star, and only 1 one-star review, suggesting potential review manipulation. 3) Several reviews contain generic, repetitive language that could indicate templated content. 4) One review (R3ROKZIJN4LS45) appears duplicated, raising manipulation concerns. 5) The single negative review provides detailed, specific complaints that appear genuine. Overall, while the high verification rate suggests legitimate purchases, the extreme rating polarization and generic language patterns indicate some artificial inflation of positive reviews.
Review Statistics
Price Analysis
This appears to be a competitively priced mid-range probiotic supplement with strong reviews. Since the current Amazon price is unknown, compare it against similar products in the $25-$60 range and look for Subscribe & Save or coupon discounts for the best value. The 4.6/5 rating suggests good customer satisfaction at whatever price point it typically sells for.
MSRP Assessment
Market Position
Buying Tips
Understanding This Analysis
What does Grade C mean?
This product has moderate review authenticity concerns. A notable portion of reviews show suspicious patterns. Consider reading reviews carefully before purchasing.
Adjusted Rating Explained
The adjusted rating (4.00 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.
Share This Analysis
Related Prebiotics Products
Quick Links
Learn More About Fake Reviews
Safe Amazon Shopping Guide: 7 Steps to Avoid Fake Products
Complete guide to safe Amazon shopping including review analysis, seller verification, price checking, product research strategies, and scam avoidance techniques.
How to Spot Fake Amazon Reviews: 10 Warning Signs in 2025
Learn the telltale signs of fake Amazon reviews including AI-generated text, suspicious timing patterns, generic language, and reviewer behavior red flags. Based on analysis of 40,000+ products.
Amazon's Choice Badge: What It Really Means and Why It Can Mislead
The Amazon's Choice badge appears trustworthy but is algorithmically assigned without quality verification. Learn what triggers the badge, its limitations, and why you shouldn't rely on it alone.