THORNE - Zinc Bisglycinate 15mg - Daily Support for Skin,...
Good for: Buyers willing to read the details before deciding
Watch out for: potential-manipulation
Last analyzed: March 2026
Total Reviews
698
On Amazon
Verified
100%
Good
Amazon Rating
4.7
Original rating
Savinoo Rating
—
Adjusted rating
Our Recommendation
Limited analysis completed - check individual reviews carefully
Analysis Summary
- LIMITED ANALYSIS (18 reviews) With only 18 recent reviews available, we can only detect the most obvious manipulation patterns.
- However, we found concerning patterns that suggest possible review manipulation. Issues Found: 3294% are 5-star but 39% are 1-star reviews.
- This polarization is suspicious even with limited reviews. Recommendation: With limited recent reviews, also check older reviews manually and look for products with more reviews if possible.
Customer Reviews from Amazon
Most Helpful Review
"Small, easy to swallow cap. Unknown if any benefit but this is the fourth type of zinc supplement I've purchased and the first that didn't make me feel like I was going to throw up so I'm happy with it"
kelly wikman
Thorne consistently delivers top quality products.
willpm
Good brand
martina saylor
Love Thorne. Works well. I will be purchasing more.
stephen rodriguez
This is the BEST absorbed form of Zinc (Albion) does its job & more! Will…
This is the BEST absorbed form of Zinc (Albion) does its job & more! Will be back for more! Thanks! A+zach and cindy branscum
Great service product was as described
denise harrison
Did not bother my sissy stomach!
What Customers Talk About
Commonly Praised
Commonly Complained
Review Quality Analysis
Review quality helps identify authentic customer feedback. Longer, detailed reviews (50+ words) typically indicate genuine experiences, while high percentages of short reviews (under 20 words) may suggest incentivized or fake feedback.
Average Words
19
⚠ Brief reviews
Long Reviews
0%
⚠ Low detail
Short Reviews
50%
Moderate
Review Length Distribution
Authentic vs Brief Reviews
Average Word Count Gauge
Benchmark: 30 words = moderate, 50+ words = detailed & authentic
19
avg. words per review
Interpretation: Review quality appears within normal range for this product category.
Review Velocity
Review velocity tracks how quickly reviews are posted. Steady, gradual accumulation is natural, while sudden spikes or bursts (20+ reviews in a single day) may indicate incentivized campaigns or coordinated activity.
Average Per Day
0.01
Natural pace
Max in One Day
2
Normal range
Steady Velocity Detected
Reviews posted at a consistent, natural pace over time — typical of organic customer feedback.
Rating Breakdown
This chart shows how customers rated THORNE - Zinc Bisglycinate 15mg - Daily Support for Skin,.... Products with authentic reviews typically show a bell curve with most ratings in the 3–4 star range. A heavily polarized distribution — many 5★ and 1★ with few middle ratings — can be worth investigating further.
Key Findings
3294% are 5-star but 39% are 1-star reviews. This polarization is suspicious even with limited reviews.
Warning Flags
potential-manipulation
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Our analysis is based on 698 reviews.
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How does this compare?
This product scores 50/100 — below average. Review the findings carefully before buying.
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