NOW Foods Supplements, Magnesium Glycinate 100 mg, Highly Absorbable Form, 180 Tablets

Name: NOW Foods Supplements, Magnesium Glycinate 100 mg, Highly Absorbable Form, 180 Tablets
SKU: B07NWMVMT1
Rating: 2.4 (23 reviews)

ASIN: B07NWMVMT1

Analysis Date: Sep 13, 2025

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Review Analysis Results

Authenticity Grade

28.00%

Fake Reviews

2.78

Original Rating

2.40

Adjusted Rating

Analysis Summary

The reviews show a mixed pattern with some legitimate detailed experiences but also several concerning elements. Positive aspects include: multiple verified purchases (V), detailed personal experiences with specific health benefits (sleep improvement, muscle relaxation), and varied review lengths. Concerning patterns include: several extremely brief reviews lacking substance ('Best Buy!', 'Chegou certinho. Muito bom.'), inconsistent rating patterns where 0★ reviews contain positive content (suggesting potential rating manipulation), and some generic phrasing that could indicate templated content. The product appears to have genuine users but likely contains some percentage of incentivized or low-quality reviews.

Review Statistics

6,279

Total Reviews on Amazon

-0.38

Rating Difference

Price Analysis

NOW Foods typically positions itself as a value-oriented brand in supplements, but this specific product's unusually low Amazon rating is a significant concern. Check recent reviews for batch consistency issues before purchase. When buying, target prices in the low $20s range for 180 tablets and utilize Amazon's deal features for 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 tablets

Value: NOW Foods offers good quality at competitive prices, though the low 2.78 rating suggests potential quality or consistency issues despite the brand's reputation.

Buying Tips

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

Deal Indicators: Look for Subscribe & Save discounts, coupon clip offers, or price drops below $20 for this quantity.

Watch For: Extremely low rating (2.78/5) for a supplement is unusual and warrants checking recent reviews for quality concerns before purchasing at any price.

Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Dec 25, 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 (2.40 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 (2.78 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.