Page 1 - Reviews - Youtheory, Collagen, 290 Tablets - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorised distributors.Show more
4.7
Based on 47,003 ratings
37,036
6,181
2,607
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English (UK)
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English (UK)
Translated reviews
Kiwiberry
Posted on 1/03/2026
New Zealand
36
0
0
0
Noticeable difference
Verified Purchase
Really noticed an improvement in skin tone and texture, takes a few weeks to really see it work, but does what it says on the box!
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JoWilliams
Posted on 19/09/2025
New Zealand
29
0
0
0
Collagen capsules
Verified Purchase
I'm terrible at looking after myself so buying these is a little treat for myself, know that I'm looking after myself from the inside out.
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iHerbCustomer
Posted on 15/08/2025
Jordan
35
34
0
916
Distinguished
Verified Purchase
Peace be upon you. iHerb is my livelihood and my family’s. God is my witness to what I say. iHerb is my livelihood and I will be held accountable for my words before God. I collect orders from people and benefit from them and your likes. It is very, very nice, useful and amazing.
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iHerbCustomerNara
Posted on 22/10/2025
Azerbaijan
22
10
0
5
Verified Purchase
I've been taking collagen for about a month now. My skin has become more hydrated, the dryness has gone away, my hair is falling out less, and my nails have stopped peeling. It tastes pleasant and is easy to mix. The results are noticeable—I'll continue taking it.
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iHerbCustomer
Posted on 24/09/2025
Italy
27
22
1
13
excellent
Verified Purchase
So I bought this collagen for me for my hair and nail problem this is the second bottle that I purchased what can I say the quality is great the ingredients are top the benefits and the effect is superb the improvement of my hair and nails it so satisfying so now my wife is using it to happy wife happy life l.
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Gymshark
Posted on 4/09/2025
Israel
96
98
1
40
✨ High quality collagen with tangible results ✨
Verified Purchase
Absolutely amazing product! The collagen tablets are easy to swallow and don't cause any stomach upset. I noticed an improvement in my skin tone and nail strength within just a few weeks. The bottle lasts a good amount of time and the price/quality ratio is excellent. I highly recommend it for anyone looking for skin and joint support.
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Rosy
Posted on 2/04/2026
Singapore
28
22
0
3
It's Mine!
Verified Purchase
This collagen's quality and benefit are very good and effective in my knee and hair improving journey. I take these 6 capsules , slight big, but acceptable taste especially on my diet period. The deficiency of collagen is very obvious in my age. The composition of contained ingredients works well. The package is sealed properly.
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eli
Posted on 10/01/2026
Colombia
16
12
0
0
colombia
Verified Purchase
This is my first time buying this product, but from what I've seen in the review, it seems to be of good quality. The ingredients appear to be good. I don't know what to say about its age or composition; I'll let you know when I try it. Regarding the benefits and effects, they say it's good for knee problems, deficiencies, and diet. It's tasteless, and the packaging is adequate.
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aya
Gold
Posted on 24/05/2026
Japan
400
0
0
101
Because it's a large capacity, it's easy to continue using it every day.
Verified Purchase
I chose the large-capacity type because I wanted to make collagen supplements a regular part of my routine. Since continuing to take them, I feel like my skin's firmness has improved compared to before. It's cost-effective and convenient for those who want to continue taking them long-term. However, the large number of tablets makes it a bit inconvenient to carry around. I think it's suitable for people who want to maintain a consistent beauty care routine.
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renyakoro
Posted on 28/10/2025
Japan
5
0
0
7
Verified Purchase
This is by far the best quality collagen I've tried so far! The difference in my skin's radiance the next day is obvious! I've decided to subscribe. Collagen is said to be good for hair, nails, and bones, so it's absolutely essential for people in their 50s, when aging accelerates. The tablets are certainly large, but with this effect, it's not a problem. It also contains vitamin C, which is great! I want to keep taking it.
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