What percentage of reviews are fake for this product?

28.00% of the analyzed reviews appear to be fake or inauthentic.

What is the authenticity grade for this product?

The product receives a grade of C 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 3.60 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 Budget to Mid-range option in its category.

Nutricost D-Ribose Powder (250 Grams)

Name: Nutricost D-Ribose Powder (250 Grams)
Brand: Amazon
SKU: B01MYNOHIE
Availability: InStock
Rating: 3.6 (15 reviews)

ASIN: B01MYNOHIE

Analysis Date: Nov 24, 2025

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Review Analysis Results

Authenticity Grade

28.00%

Fake Reviews

4.20

Original Rating

3.60

Adjusted Rating

Analysis Summary

The review set shows a mix of authentic and potentially suspicious patterns. Positive aspects include detailed personal experiences (review 2, 4), specific usage instructions, and varied ratings (1-5 stars) with some critical feedback. Concerning patterns include several brief, generic 5-star reviews lacking detail (reviews 1, 3, 5, 6, 9, 11), some with grammatical errors or non-English content that could indicate template use. The high proportion of verified purchases (all reviews) is positive, but the clustering of very short, enthusiastic 5-star reviews alongside more detailed negative/neutral reviews creates suspicion. The product appears to have legitimate users but likely also has some incentivized or low-effort positive reviews.

Review Statistics

706

Total Reviews on Amazon

-0.60

Rating Difference

Price Analysis

Nutricost D-Ribose is likely priced competitively within the budget to mid-range segment of sports nutrition supplements. With a strong 4.2/5 rating from 706 reviews, it represents good value. Check for Subscribe & Save or clip-on coupons to secure the best price, and compare per-gram cost against brands like NOW or BulkSupplements.

MSRP Assessment

Estimated MSRP: Unknown

Source: Unable to determine

Amazon Price: Unable to compare

Market Position

Positioning: Budget to Mid-range

Alternatives Range: $15-$40 for 250-300g

Value: Nutricost typically offers competitive pricing with solid quality, making this a cost-effective choice among D-ribose supplements.

Buying Tips

Best Time to Buy: No strong seasonal pattern, but check around New Year's resolution periods (January) when fitness supplements often see promotions.

Deal Indicators: Subscribe & Save discounts, coupon clip offers, or bundled deals with other fitness supplements.

Watch For: Watch for sudden price spikes above $35 for 250g, and verify seller is 'Nutricost' or 'Amazon.com' to avoid third-party markup.

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 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 (3.60 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 (4.20 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.