Nutricost R-Alpha Lipoic Acid 100mg, 120 Capsules - Veggie Capsules, Non-GMO, Gluten Free

Nutricost R-Alpha Lipoic Acid 100mg, 120 Capsules - Veggie Capsules, Non-GMO, Gluten Free

ASIN: B09NS4HZZB
Analysis Date: Jan 24, 2026 (re-analyzed Jan 24, 2026)

As an Amazon Associate I earn from qualifying purchases.

Review Analysis Results

A
Authenticity Grade
8.00%
Fake Reviews
4.25
Original Rating
4.10
Adjusted Rating

Analysis Summary

The overwhelming majority of these reviews appear genuine, with only one review showing potential manipulation patterns. Of the 12 reviews, 11 demonstrate authentic characteristics including personal health experiences, specific product knowledge, balanced perspectives, and verified purchase status. The reviews collectively represent a typical pattern for a specialized supplement where users have specific health concerns and varying responses to the product.

Strong evidence of authenticity includes detailed personal narratives about neuropathy pain management (reviews 2, 10), technical knowledge about R-alpha lipoic acid isomers (reviews 4, 5), balanced perspectives acknowledging both positive and negative experiences (reviews 3, 7, 11), and specific timeframes for product evaluation (review 9). Review 5 provides particularly compelling authenticity signals with its detailed explanation of discovering the R-isomer through online forums and fact-checking, which reflects a genuine consumer research journey rather than promotional content.

The only concerning review is number 6, which uses generic marketing language ("Top Shelf Quality at a Fair Price!") without personal context or specific details. This brief, slogan-like review stands in contrast to the detailed, experience-based nature of the other reviews. However, even this single suspicious review could potentially be genuine from a satisfied but less articulate customer.

Overall, this review set demonstrates high authenticity with diverse perspectives ranging from 2 to 5 stars, technical discussions of product formulation, and personal health narratives. The single potentially problematic review represents a small minority, and the presence of critical reviews (3-star and 2-star ratings) further supports organic review patterns rather than coordinated manipulation.

Key patterns identified in the review analysis include: Personal neuropathy pain management experiences, Technical discussions of R-isomer vs. synthetic forms, Time-specific usage reports (weeks/months).

Review Statistics

987
Total Reviews on Amazon
-0.15
Rating Difference

Price Analysis

This Nutricost supplement appears to be a mid-range offering in the alpha lipoic acid category, where typical prices range from $15-$45. Without the current Amazon price, we recommend checking for Subscribe & Save options or waiting for seasonal sales. Always verify the seller is 'Nutricost' or 'Amazon.com' to ensure authenticity.

MSRP Assessment

Estimated MSRP: $25-$35
Source: Product category average
Amazon Price: Unable to compare

Market Position

Positioning: Mid-range
Alternatives Range: $15-$45
Value: Nutricost typically offers competitive pricing for quality supplements, making this a solid value in the mid-range segment.

Buying Tips

Best Time to Buy: Best prices often during Amazon Prime Day, Black Friday, or January wellness sales.
Deal Indicators: Look for Subscribe & Save discounts, coupon clip offers, or multi-bottle bundles for better per-unit pricing.
Watch For: Watch for third-party sellers with prices significantly above $45, as this may indicate price gouging or counterfeit risk.
Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Jan 24, 2026

Understanding This Analysis

What does Grade A mean?

This product has excellent review authenticity. Our AI detected very few suspicious patterns, suggesting the vast majority of reviews are genuine customer experiences.

Adjusted Rating Explained

The adjusted rating (4.10 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 (4.25 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

Learn More About Fake Reviews

Analyze new product