What percentage of reviews are fake for this product?

15.00% of the analyzed reviews appear to be fake or inauthentic.

What is the authenticity grade for this product?

The product receives a grade of B 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 4.10 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 Mid-range option in its category.

NatureWise Vitamin D3 4000iu (100 mcg) 1-Year Supply for Immune Support, Healthy Muscle Function, and Bone Health - Non-GMO, Gluten-Free in Organic Extra Virgin Olive Oil, (Mini Softgel), 360 Count

Name: NatureWise Vitamin D3 4000iu (100 mcg) 1-Year Supply for Immune Support, Healthy Muscle Function, and Bone Health - Non-GMO, Gluten-Free in Organic Extra Virgin Olive Oil, (Mini Softgel), 360 Count
Brand: Amazon
SKU: B07QBXPT2F
Availability: InStock
Rating: 4.1 (15 reviews)

ASIN: B07QBXPT2F

Analysis Date: Jan 26, 2026 (re-analyzed Jan 26, 2026)

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Review Analysis Results

Authenticity Grade

15.00%

Fake Reviews

4.40

Original Rating

4.10

Adjusted Rating

Analysis Summary

The majority of these reviews for NatureWise Vitamin D3 appear genuine, with approximately 85% showing authentic characteristics. Most reviews are detailed, mention personal health contexts, and provide specific product observations that align with genuine user experiences. The presence of both positive and negative reviews (including 1-star ratings) further supports organic review patterns rather than coordinated manipulation.

Strong evidence of authenticity includes multiple reviews with personal health narratives (review 1 mentions low vitamin D levels affecting daily life, review 15 discusses a sensitive digestive system), specific product knowledge (references to cold-pressed olive oil carrier, non-GMO ingredients, softgel size), and balanced perspectives (review 5 gives 4 stars with qualified praise). Several reviews mention measurable outcomes like improved blood levels or energy, which are difficult to fabricate convincingly.

Some concerns exist with a few reviews that exhibit manipulation patterns. Review 10's single-word "Amazing" lacks substance, review 12 makes exaggerated claims about weight loss and energy that seem promotional, and review 4 uses repetitive marketing language ("amazing" three times) without personal context. These represent a small minority of the total reviews.

Overall, this appears to be a product with predominantly genuine feedback from satisfied users who appreciate its effectiveness, easy-to-swallow softgels, and quality ingredients. The few suspicious reviews are outweighed by numerous detailed, personal accounts that reflect authentic experiences with vitamin D supplementation.

Key patterns identified in the review analysis include: Personal health narratives with specific outcomes, Mention of ingredient quality (olive oil carrier, non-GMO), Comments on softgel size and ease of swallowing.

Review Statistics

189,300

Total Reviews on Amazon

-0.30

Rating Difference

Price Analysis

NatureWise Vitamin D3 4000iu represents solid mid-range value in the supplement market with strong consumer ratings. Check current Amazon price against the $15-$60 typical range for similar products. Best buying strategy involves monitoring for Subscribe & Save discounts or seasonal promotions.

MSRP Assessment

Estimated MSRP: $35-$45

Source: Market research

Amazon Price: Unable to compare

Market Position

Positioning: Mid-range

Alternatives Range: $15-$60

Value: NatureWise offers good value with its organic olive oil base and high review volume, positioning it as a reliable mid-tier option in the vitamin D3 market.

Buying Tips

Best Time to Buy: Vitamin D supplements often see price drops in late summer/early fall when demand is lower.

Deal Indicators: Look for Subscribe & Save discounts, coupon clip offers, or bundle deals with other supplements.

Watch For: Watch for third-party sellers charging significantly above typical Amazon price; verify seller is 'NatureWise' or 'Amazon.com'.

Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Jan 26, 2026

Understanding This Analysis

What does Grade B mean?

This product has good review authenticity with minor concerns. While most reviews appear genuine, we detected some patterns that warrant mild caution.

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 (4.40 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.