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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 90% (Grade A). Scores above 80% indicate highly trustworthy reviews, 60-79% are generally reliable, and below 60% suggest caution.

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Product image of Designs for Health Stellar Vitamin C + Quercetin Supplements - Citrus Bioflavonoids + Quercetin with Vitamin C and Zinc for Enhanced Immune Support and Optimal Absorption (90 Capsules)

Designs for Health Stellar Vitamin C + Quercetin Supplements - Citrus Bioflavonoids + Quercetin with Vitamin C and Zinc for Enhanced Immune Support and Optimal Absorption (90 Capsules)

Name: Designs for Health Stellar Vitamin C + Quercetin Supplements - Citrus Bioflavonoids + Quercetin with Vitamin C and Zinc for Enhanced Immune Support and Optimal Absorption (90 Capsules)
Brand: Designs
SKU: B000FGXLYG
Price: 39.99 USD
Availability: InStock
Rating: 4.7 (545 reviews)

4.7(545 reviews)

AI-powered analysis of this product's reviews to help you make an informed purchase decision.

Last analyzed: October 19, 2025

0%🟢

Excellent

Trust Score

How trustworthy are the reviews for this product?

✓ Reviews appear trustworthy

Analysis Summary

Analysis is 49 days old. Re-run to get the latest review data and insights.

Based on the analysis, Designs for Health's Stellar Vitamin C + Quercetin Supplements have received overwhelmingly positive reviews, with a rating of 4.7/5 from 9 reviewers. The high Reviewer Credibility score (95/100) suggests that the reviewers are knowledgeable and trustworthy, while the low Review Content Quality score (79/100) indicates that the reviews could be more detailed and informative. Overall, this product seems to be a trustworthy option for immune support, but the lower Seller Reputation score (78/100) and Review Content Quality score warrant closer examination.

Review Timeline

Review patterns over time - spikes may indicate manipulation

90%

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

79%

Authenticity

good product(5)high quality(8)

Positive

Natural phrases

Critical

Genuine concerns

Suspicious

Generic phrases

Language Authenticity

Vocabulary Diversity100%

Natural Language Flow67%

Unique Phrasing100%

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

Recommendation

✅ Recommended

Analysis Date

October 19, 2025

Total Reviews

545 reviews analyzed

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✨ Premium Quality Product

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Grade ADesigns for Health Stellar Vitamin C + Quercetin Supplements - Citrus Bioflavonoids + Quercetin with Vitamin C and Zinc for Enhanced Immune Support and Optimal Absorption (90 Capsules)