Page 1 - Reviews - Nutricost, Performance, EAA, 240 Capsules - 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 567 ratings
459
78
20
5
5
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What customers say
(296)
 
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English (UK)
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iHerbLebanon
Silver
Posted on Dec 21, 2025
United States
295
18
0
23
good
Verified Purchase
good quality big size help to have good sleep and reduce stress it relax muscles and improve energy
Auto-translated from English
imako
Posted on Jul 25, 2026
Japan
35
2
0
41
Because it's in capsule form, it has no taste, is convenient to carry around, and easy to take with you when traveling.
Verified Purchase
Since I started taking it every morning, I feel like my daytime sleepiness has lessened a bit. I was able to maintain my energy and enjoy activities during my trip. I'm happy that it's easy to carry around, making it convenient for travel and outings. It helps maintain my stamina, so I can move around a lot, which seems good for dieting. I feel a little more refreshed!
Auto-translated from Japanese
ankapo
Silver
Posted on Mar 24, 2026
Georgia
126
0
0
52
Came up
Verified Purchase
A good amino acid complex, especially for those who exercise or lead an active lifestyle. The powder dissolves easily, the texture is normal, without much foam. The smell varies depending on the taste, but is generally pleasant, and it's comfortable to use. It helps speed up recovery after workouts, reducing fatigue. The packaging is large, so it lasts a long time. The ingredients are high-quality, and the benefits are felt with regular use, especially during periods of stress.
Auto-translated from Russian
VeronikaBondyrieva
Silver
Posted on Feb 1, 2026
Ukraine
260
0
2
47
Verified Purchase
Muscle recovery support – EAAs help accelerate post-workout recovery, reduce muscle breakdown, and support growth. Protein synthesis – essential amino acids are involved in building protein structures, which is important for muscles, tissues, and regeneration. Energy during exercise – certain amino acids help maintain performance and endurance during long workouts. Nitrogen balance – helps the body maintain an anabolic state, especially during intense exercise. Fatigue reduction – can partially reduce the feeling of fatigue during and after intense physical activity.
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shine
Silver
Posted on Jan 11, 2026
Japan
120
0
6
383
It seems somehow good
Verified Purchase
I only take one pill a day in the morning, so it's hard to gauge the effects... but recently I've noticed a clear difference. I'm busy at work and sometimes can't take lunch, but when I take this, I feel less hungry, my stamina lasts longer, and I've noticed that I can do my office work without getting hunger-ridden. Is it because it stabilizes my blood sugar levels and the concentration of amino acids in my blood? It seems like it would be the perfect companion for someone who is busy every day.
Auto-translated from Japanese
iHerbCustomer
Gold
Posted on Nov 19, 2025
Ukraine
699
0
0
23
Very well
Verified Purchase
I honestly don't know what the supplement is for, because I took it specifically for my husband, but he trains constantly and with this product and a set of others that he took right away, he says that his performance and recovery from training are very fast.
Auto-translated from Ukrainian
iHerb Customer
Posted on Jun 30, 2026
Taiwan
11
10
1
0
Muscle artifact
Verified Purchase
The package contains enough for four months, and the quality is excellent, with ingredients that are best for improving physical fitness. EAAs (Essential Amino Acids): These are nine essential amino acids that the human body cannot synthesize on its own and must obtain from food (like the essential building blocks for constructing a house).
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6196093b-9156-4205-a1f2-09e13179cb41
iHerbCustomer
Posted on Apr 12, 2026
Saudi Arabia
65
16
0
1
Important for every athlete
Verified Purchase
Amino acids are a type of chemical that greatly helps maintain hormonal balance in the body, as they primarily function in the body to produce hormones that contribute to energy and muscle growth of very good quality.
Auto-translated from Arabic
Howard
Posted on Jan 8, 2026
Taiwan
94
0
0
24
Verified Purchase
EAAs directly provide the building blocks needed for muscle synthesis, making them crucial for repair and recovery after weight training and aerobic exercise. EAAs are rapidly absorbed, making them suitable for calorie-controlled, fasted training, helping to maintain muscle mass and improve training efficiency.
Auto-translated from Chinese Traditional
KLKLLai
Gold
Posted on Jan 18, 2026
Hong Kong
523
8
0
56
Well enough
Verified Purchase
It's cheap and comes in a large quantity. I took it with Crecine before exercising, but I didn't feel much of an effect.
Auto-translated from Chinese Traditional