Nutrivein Premium Liposomal Vitamin C Supplement 1650mg - 180 Caps: High-Absorption High Dose Vitamin C Capsules for Whole-Body Defenses & Overall Well-Being

Nutrivein Premium Liposomal Vitamin C Supplement 1650mg - 180 Caps: High-Absorption High Dose Vitamin C Capsules for Whole-Body Defenses & Overall Well-Being

ASIN: B07K8QLGHN
Analysis Date: Nov 4, 2025 (re-analyzed Nov 4, 2025)

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Review Analysis Results

C
Authenticity Grade
35.00%
Fake Reviews
4.47
Original Rating
3.70
Adjusted Rating

Analysis Summary

This product shows moderate signs of review manipulation with several concerning patterns. The review distribution is heavily skewed toward 5-star ratings (11 out of 15 reviews), with only one 1-star and one 3-star review, creating an unnatural distribution. Multiple reviews contain marketing language and technical terms like 'liposomal vitamin C' used in promotional ways. Several reviews show suspicious verification patterns - two reviews from the same reviewer ID (R3020Q1N0XTN1A) appear to be duplicated with identical content. The reviews contain repetitive health claims about immunity, energy, and absorption benefits. However, the presence of legitimate negative reviews about product quality and ingredient discrepancies provides some authenticity balance. The Spanish language review and specific complaints about capsule filling and ingredient changes suggest genuine customer experiences mixed with potentially incentivized positive reviews.

Review Statistics

22,252
Total Reviews on Amazon
-0.77
Rating Difference

Price Analysis

Price analysis pending

Price insights will be available shortly.

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 (3.70 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.

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