Page 1 - Reviews - Metagenics, SeroSyn™, 90 Capsules - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.6
Based on 8 ratings
7
0
0
1
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What customers say
(8)
 
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Rating

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English
Translated reviews
iHerb customer
Silver
Posted on Feb 22, 2026
United Kingdom (UK)
190
0
0
1
Excellent Product
Verified purchase
Came well packed. Product is high quality. Highly recommended to all.
iHerb customer
Silver
Posted on Feb 5, 2026
United Kingdom (UK)
217
0
0
0
Great Product
Verified purchase
Excellent product, fast delivery and long expiry. Highly recommended to all!
iHerb customer
Posted on May 18, 2026
Switzerland
5
0
0
0
Amazing!
Verified purchase
It’s the ever best combo of amino acids and other important ingredients for stress relief! I saw the effect on my nervous system after a week of using it.
iHerb customer
Posted on Jun 5, 2026
Hong Kong
42
0
1
9
Verified purchase
I'm someone who's prone to anxiety, but after using this product, its ingredients have noticeably stabilized my emotions and made me feel more cheerful. The product has no unpleasant taste at all. It was recommended by my nutritionist, so it's trustworthy and of guaranteed quality.
Auto-translated from Chinese, Traditional
iHerb customer
Posted on Dec 8, 2025
Poland
2
0
0
0
I highly recommend it.
Verified purchase
I used Serosyn as a treatment. The effect is noticeable: improved concentration, reduced anxiety, and more restful sleep. It's well-tolerated, with no side effects. It's not a "miracle pill"—the effects appear gradually, after about 1-2 weeks. Generally, the product works if used regularly.
Auto-translated from Polish
iHerb customer
Silver
Posted on Mar 7, 2026
China
123
1
0
4
Excellent
Verified purchase
This brand is fantastic; it's a top-tier functional medicine brand recommended by a friend. It's effective and provides noticeable improvement.
Auto-translated from Chinese, Simplified
iHerb customer
Silver
Posted on Dec 27, 2025
China
228
1
0
4
Verified purchase
As people age, they need various supplements, which are very beneficial to their health.
Auto-translated from Chinese, Simplified
iHerb customer
Posted on Aug 30, 2025
Israel
38
0
0
2
Verified purchase
This is supposed to be a serious product because it helps relieve stress and the brain
Auto-translated from Hebrew