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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.5
Based on 898 ratings
668
113
50
27
40
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What customers say
Customers generally appreciate the product for its effectiveness in enhancing gym workouts, particularly noting improved muscle pumps and better results. Many highlight the good quality of ingredients and strong packaging. The product is praised for being stimulant-free, making it suitable for those sensitive to caffeine. Some users find the large pill size and red coating inconvenient. Overall, it is recommended for its affordability, quality, and positive impact on fitness routines.
Review highlights
Customer reviews (894)
Product reviews solely reflect the views and opinions expressed by the contributors and not those of iHerb. iHerb does not verify or endorse any claims made in these reviews. Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
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Reviews from Azerbaijan
Reviewer Country
English
Translated reviews
iHerb customer
Posted on May 20, 2024
Azerbaijan
0
0
0
0
Verified purchase
iHerb always strives to be as accurate as possible in its product images and information. However, some changes made by manufacturers regarding packaging or ingredient lists may require some time before they are published on the website. Please be aware that even though product packaging may occasionally change, this does not affect the quality or freshness of the products. We encourage you to carefully read product labels, warnings and instructions for use before using them and not rely solely on the information provided on the iHerb website. Please note that some of the product descriptions on our site are made using machine translation. This is provided solely for your convenience. All such translations will be replaced by those performed by our linguists in the very near future. taste . size. benefit.age additive. frequency. dosage. improvement.protein. workout.energy. muscles. diet composition. health. herbs.problem.iHerb strives to be as accurate as possible in its product images and information. However, some changes made by manufacturers regarding packaging or ingredient lists may require some time before they are published on the website. Please be aware that even though product packaging may occasionally change, this does not affect the quality or freshness of the products. We encourage you to carefully read product labels, warnings and instructions for use before using them and not rely solely on the information provided on the iHerb website. Please note that some of the product descriptions on our site are made using machine translation. This is provided solely for your convenience. All such translations will be replaced by those performed by our linguists in the very near future. taste . size. benefit.age additive. frequency. dosage. improvement.protein. workout.energy. muscles. diet composition. health. herbs.problem.immunity. hair. deficiency.prevention. antioxidant. leather. nails. collagen. Sun. absorption. bones . calcium. compound. kiloness. effectiveness. stomach. magnesium. joints. dream. minerals. hormones daily. efficiency. result. fish. folic acid. niacin. nervous system. metabolism. spirulina. seaweed. detox superfood.
Auto-translated from Russian
iHerbCustomer
Posted on Apr 7, 2022
Azerbaijan
146
0
3
36
Verified purchase
One of my favorite companies, I always order this pre-workout series. I advise you not to rush at the recommended dose at first, but start with one tablet.
Auto-translated from Russian
iHerb customer
Silver
Posted on Jan 24, 2026
Israel
104
0
0
2
An excellent pre-workout supplement
Verified purchase
An excellent pre-workout supplement. It does the job very well, does not cause me reflux unlike other supplements, and I really feel an improvement in endurance.”
iHerb customer
Posted on Oct 30, 2025
Saudi Arabia
179
0
0
19
Verified purchase
I’ve been using this product for a few weeks now, and I’m really impressed with the results. The quality is great, and it arrived well-packaged and fresh. I noticed a real difference in how I feel — more energy, better digestion, and overall improvement. The ingredients are clean, and I love that it’s free from unnecessary additives.
iHerb customer
Posted on Aug 29, 2025
Bahrain
37
1
0
4
Good
Verified purchase
This pump product is fantastic! It's very effective and gave me amazing pumps in the gym, really enhancing my workouts. The quality is excellent, the ingredients are solid, and the size is generous. Unfortunately, it wasn't available when I went to reorder, but it's definitely worth the price and everything it promises. Highly recommend . taste
iHerb customer
Posted on Aug 27, 2025
Philippines
389
0
0
106
Stim-Free Nitric Oxide for Strong Pumps
Verified purchase
I’ve used Six Star N.O. Fury and found it to be a solid stim-free pre-workout option that delivers impressive muscle pumps from the first dose. The 3,000 mg nitric oxide matrix supports enhanced blood flow, giving better pumps and a fuller, more vascular look during training. It’s ideal for those avoiding stimulants, yet still wanting effective pre-workout energy through improved perfusion. The dosing is straightforward—one serving before workouts, with a morning option on non-training days—though beginners should start with fewer caplets. Overall, a dependable, well-formulated product for athletes seeking higher vascular pumps and workout quality without stimulants.
iHerbCustomer
Posted on Aug 21, 2025
Philippines
400
3
12
101
Reliable Nitric Oxide Support Without Stimulants
Verified purchase
I've been using Six Star N.O. Fury for two months as my go-to stim-free pre-workout, and it delivers consistent muscle pumps without any jitters or crash. The 3,000mg nitric oxide matrix provides noticeable vasodilation within 30-45 minutes of taking the three caplets as directed. What I appreciate most is the stimulant-free formula - perfect for evening workouts or when I want pump benefits without affecting sleep. The muscle fullness and hardness during workouts is genuinely enhanced, especially on arm and shoulder days where the pump effect is most visible. The caplets are easy to swallow and cause no digestive upset when taken on an empty stomach before training. While not as intense as some high-stim pre-workouts, the clean energy from improved blood flow feels more sustainable. Six Star consistently delivers reliable sports nutrition at accessible prices. The flexibility of taking it on non-workout days for general circulation support adds value. This has become my preferred pre-workout for focused pump sessions without stimulant dependence.
iHerbCustomer
Gold
Posted on Jun 24, 2025
United States
3,627
0
0
513
Pre-Workout N.O. FURY
Verified purchase
The primary benefit of Six Star N.O. Fury is its ability to increase muscle pumps and vascularity during workouts. The product contains a nitric oxide matrix designed to improve blood flow, leading to enhanced muscle fullness and vascularity. However, some experts have noted that the dosages of these ingredients may be lower than those found in more premium products.
Joe
Posted on Jun 4, 2025
United States
19
0
0
3
Verified purchase
After using Six Star Pre-Workout for a couple of months, I’ve noticed real gains in size and endurance—it keeps me pushing through tough workouts with intensity. The taste is solid, the ingredients feel clean, the packaging is sharp, and it fits perfectly into my supplement stack and diet for improved fitness and recovery.
iHerb customer
Posted on Nov 13, 2024
Saudi Arabia
1,658
0
0
246
Pre-Workout N.O. FURY
Verified purchase
The main benefit of N.O. FURY is the enhanced muscle pump and improved blood flow, which can lead to greater muscle fullness and vascularity during workouts. This effect also supports faster recovery, as improved blood flow helps deliver nutrients to muscles more efficiently. L-arginine and L-citrulline help delay muscle fatigue, allowing for longer and more intense workouts.