natural elements Vitamin D3 + K2 Tropfen 50ml - Premium: 99,7+% All-Trans (K2VITAL® von Kappa) + hoch bioverfügbares Vitamin D3 - Laborgeprüft, hochdosiert, flüssig und in Deutschland produziert

natural elements Vitamin D3 + K2 Tropfen 50ml - Premium: 99,7+% All-Trans (K2VITAL® von Kappa) + hoch bioverfügbares Vitamin D3 - Laborgeprüft, hochdosiert, flüssig und in Deutschland produziert

ASIN: B07BGHDRZH
Analysis Date: Jan 6, 2026 (re-analyzed Jan 6, 2026)

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Review Analysis Results

B
Authenticity Grade
15.00%
Fake Reviews
4.33
Original Rating
4.00
Adjusted Rating

Analysis Summary

The majority of these reviews appear genuine, with approximately 85% showing authentic characteristics. Verified purchases make up 10 of the 15 reviews, and the overall pattern reflects normal customer feedback for a supplement product. The reviews display a healthy mix of ratings (5-star, 4-star, 3-star, and 1-star), which is typical for authentic product feedback rather than coordinated manipulation.

Strong evidence of authenticity includes detailed personal experiences, specific usage timelines, and balanced perspectives. Review #4 provides a nuanced 4-star rating with specific praise for dosage and taste while criticizing the bottle design. Review #6 offers a detailed 1-star complaint about expiration dates with historical context about previous purchases. Review #8 includes specific product knowledge about the 50ml/1700 drop quantity and daily dosage. These reviews demonstrate the varied, personal experiences expected from genuine customers.

Some minor concerns exist with a few reviews that use generic marketing language or extremely brief praise without personal context. Review #7's "Parfait, répond aux attentes" is extremely brief but could still be genuine. Review #11 uses somewhat promotional language about "Premium-Qualität" and "hohe Reinheit" but includes personal appreciation for the D3/K2 combination. These represent a small minority of the total reviews.

Overall, this review set appears predominantly authentic with normal variation in customer experiences. The detailed negative review (#6) and mixed ratings provide credibility to the overall feedback. While a small number of reviews show minor red flags, they don't indicate systematic manipulation. The product appears to be a vitamin D3/K2 supplement in drop form that users generally find easy to dose with neutral taste, though some have concerns about packaging and expiration dates.

Key patterns identified in the review analysis include: Multiple mentions of neutral taste, Frequent praise for easy dosage with dropper, Several reviews mention D3/K2 combination benefits.

Review Statistics

About Review Data Collection

We extract as much review data as Amazon makes available at the time of analysis. The amount may vary due to Amazon's rate limiting, regional restrictions, or other factors. Our analysis is based on the reviews we successfully collected.

20,668
Total Reviews on Amazon
15
Reviews Analyzed
13
Genuine Reviews
2
Fake Reviews
-0.33
Rating Difference

Want to analyze more reviews? Install the Null Fake Chrome extension to capture and analyze additional reviews as you browse Amazon.

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Price Analysis

This is a premium German-made supplement with excellent reviews. While priced higher than basic alternatives, it offers quality ingredients and manufacturing. Monitor Amazon for occasional discounts below €20 and consider Subscribe & Save if you use it regularly.

MSRP Assessment

Estimated MSRP: €24.90-€29.90
Source: Market research
Amazon Price: Unable to compare

Market Position

Positioning: Premium
Alternatives Range: €12-€35 for 50ml Vitamin D3+K2 supplements
Value: Offers premium K2VITAL® formulation and German production at a competitive price point within the premium segment.

Buying Tips

Best Time to Buy: Best prices often in late summer/early fall before winter demand increases.
Deal Indicators: Subscribe & Save discounts, bundle deals with other supplements, or price drops below €20.
Watch For: Watch for third-party sellers charging significantly above €30 without added value.
Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Jan 6, 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 (4.00 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 (4.33 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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How Our Analysis Works

Detailed explanation of our AI methodology

Spotting Fake Reviews Yourself

10 warning signs to watch for

Frequently Asked Questions

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