Page 1 - Reviews - Nutricost, Performance, Turkesterone, 30 Capsules - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.4
Based on 105 ratings
69
17
11
4
4
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What customers say
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iHerb customer
Gold
Posted on Mar 17, 2025
United States
364
0
6
36
fine
Verified purchase
This Turkesterone supplement is great for strength, muscle growth, and performance enhancement. After consistent use, I noticed better endurance, improved recovery, and slight increases in strength during workouts. Unlike some other muscle-building supplements, it doesn’t cause hormonal imbalances or side effects. The capsules are easy to swallow and contain a solid dose per serving, making it convenient to take daily. It’s a good natural alternative for those looking to boost athletic performance and muscle gains without synthetic additives.
iHerb customer
Posted on Oct 26, 2025
United States
14
0
14
9
Works for me
Verified purchase
I feel it helps me lift more weight at the gym.
iHerb customer
Silver
Posted on Jan 7, 2026
Thailand
211
0
18
99
Good Quality, Subtle Results
Verified purchase
The quality of this Nutricost Turkesterone is solid, with clean ingredients and easy-to-swallow capsules. The dosage is convenient, and there’s no taste or discomfort, which I appreciate. That said, I didn’t notice anything substantial in terms of strength or performance changes during the time I used it. It may work better over a longer period or for others with different training intensity. Overall, it’s a well-made product, just with more subtle effects than expected.
Elhoot
Silver
Posted on Feb 10, 2026
Saudi Arabia
105
1
4
11
Verified purchase
High quality Satisfied dosage Good ingredients Too many benefits and size is okay
iHerb customer
Posted on Sep 27, 2025
Canada
22
0
0
0
good stuff
Verified purchase
i think it works you still have to eat good amount of protein and resistance train if you want to build muscle but i do think this helped me build a little bit more might be placebo who knows but there was no side effects so its def worth a try
iHerb customer
Posted on Oct 25, 2025
Philippines
32
0
0
0
Verified purchase
The size of the products was perfect, and I was impressed by the potency and effectiveness, as they delivered noticeable results; the quality was excellent, the taste and flavor were pleasant, the dosage was convenient, the package was secure, and the overall benefits made this a great purchase.
iHerb customer
Silver
Posted on May 22, 2025
Jordan
159
0
0
15
Aggressive energy
Verified purchase
After a few days of taking it, I started to feel some effects, and it was when I doubled the dose to two capsules that I started REALLY feeling it. I was feeling more aggressive when lifting, which was nice at times and almost spooky. I chalked it up to a placebo, but it kept happening as the days went o,n and I wasn't trying to pay all that much attention. It could be worth it if you wanna try something new with your pre-workout.
mustafaa
Posted on Aug 16, 2025
Finland
53
0
0
1
Solid Natural Muscle Support
Verified purchase
I’ve noticed improved strength and recovery since starting Turkesterone. It’s a natural way to support performance without the side effects of harsher supplements. Great for anyone looking to boost workouts and muscle growth!
BilboBo
Posted on Mar 25, 2026
Italy
87
0
0
2
Easy to try, decent formula
Verified purchase
Interesting product if you want to try turkesterone without committing to a huge bottle. Capsules are easy to take and the formula is straightforward. Too early for me to say anything dramatic, but overall it seems like a decent option and the quality looks good. I like that it is simple and convenient, especially if you just want to test how it fits into your routine.
iHerb customer
Posted on Mar 25, 2026
Montenegro
14
0
0
0
Verified purchase
I've been using this supplement for a while now, and I can honestly say it exceeded my expectations. I noticed real improvements in my energy, overall well-being, and daily performance. The quality is excellent, and it’s clear that the formula is made with care and effectiveness in mind. I highly recommend it to anyone looking for a reliable supplement that truly delivers results.