How does RateBud detect fake Amazon reviews?

RateBud uses advanced AI to analyze review patterns, language authenticity, timing anomalies, and content quality. We examine reviewer behavior, review velocity, and linguistic markers to detect fake reviews with high accuracy.

What does the trust score mean?

The trust score is a percentage from 0-100% indicating review authenticity. This product scored 95% (Grade A). Scores above 80% indicate highly trustworthy reviews, 60-79% are generally reliable, and below 60% suggest caution.

Is RateBud's review analysis free?

Yes, RateBud's AI-powered review analysis is completely free. We analyze Amazon reviews to help you avoid fake reviews and make informed purchasing decisions. No signup required.

✅ NOW Supplements, NAC (N-Acetyl Cysteine) 600 mg with Selenium, 250 Veg Capsules Review Analysis

Name: NOW Supplements, NAC (N-Acetyl Cysteine) 600 mg with Selenium, 250 Veg Capsules
Brand: NOW
SKU: B0013OUQ3S
Price: 19.2 USD
Availability: InStock
Rating: 4.6 (19835 reviews)

Analysis Summary

Based on the analysis, NOW Supplements' NAC 600 mg with Selenium is a highly trusted product with a 95/100 overall score and 4.6/5 rating from 13 reviews. The product's excellent review content quality, velocity, and credibility suggest that customers are satisfied with its effectiveness and value. However, the seller's reputation score is slightly lower at 78/100, indicating that some customers may have experienced issues with shipping or customer service.

Review Timeline

Review patterns over time - spikes may indicate manipulation

95%

Velocity Score

Spikes

None found

Peak

Reviews/mo

Timeline

Months

Pattern Analysis

Good: Review pattern appears natural with steady growth. No suspicious spikes that might indicate review manipulation.

Keyword Analysis

Common phrases and their authenticity patterns

89%

Authenticity

helps with immune health(5)easy to take(8)

Positive

Natural phrases

Critical

Genuine concerns

Suspicious

Generic phrases

Language Authenticity

Vocabulary Diversity99%

Natural Language Flow96%

Unique Phrasing97%

Good: Language patterns appear natural with good diversity. Reviews use varied vocabulary and authentic expressions.

Recommendation

✅ Recommended

Analysis Date

January 5, 2026

Total Reviews

19,835 reviews analyzed

Understanding This Trust Score

NOW Supplements, NAC (N-Acetyl Cysteine) 600 mg with Seleniu... received a Grade A with a trust score of 95/100. This product has earned our highest trust rating. The review patterns show authentic customer feedback with natural language variation, consistent timing, and verified purchases. You can shop with confidence.

What This Means:

•Reviews show natural language diversity
•No suspicious timing patterns detected
•High percentage of verified purchases
•Review velocity matches expected sales patterns

What Reviewers Are Saying

Based on our analysis of customer reviews for NOW Supplements, NAC (N-Acetyl Cysteine) 600 mg wi..., here are the most common themes and opinions shared by verified buyers:

✓ Commonly Praised:

helps with immune health (5x)easy to take (8x)

Overall sentiment: Based on the analysis, NOW Supplements' NAC 600 mg with Selenium is a highly trusted product with a 95/100 overall score and 4.6/5 rating from 13 reviews. The product's excellent review content quality, velocity, and credibility suggest that customers are satisfied with its effectiveness and value. However, the seller's reputation score is slightly lower at 78/100, indicating that some customers may have experienced issues with shipping or customer service.

Frequently Asked Questions

Are the reviews for NOW Supplements, NAC (N-Acetyl Cysteine)... real?

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Based on our AI analysis, approximately 95% of reviews appear authentic, while 5% show patterns consistent with potentially fake or incentivized reviews. Overall, you can trust most reviews for this product.

How does RateBud detect fake reviews?

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Our AI analyzes multiple factors including review timing patterns, language similarity, reviewer history, and purchase verification. For this product, we analyzed 19,835 reviews to calculate the trust score.

Should I buy NOW Supplements, NAC (N-Acetyl Cysteine)...?

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Based on our analysis, this product has trustworthy reviews and appears to be a safe purchase. The A grade indicates excellent review authenticity.

Shopping Tips for [object Object]

This product has 19,835 reviews with a Grade A trust score. Here's what to keep in mind:

💡Always prioritize verified purchase reviews over unverified ones
💡Look for detailed reviews that mention specific pros and cons
💡Be cautious of products with sudden spikes in positive reviews

Ready to make your purchase?

Based on our analysis, you can make an informed decision. Click below to purchase this product on Amazon.

✨ Premium Quality Product

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