Page 1 - Reviews - Jarrow Formulas, Neuro Optimizer®, 120 Capsules - iHerb
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Customer Ratings & Reviews

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4.7
Based on 3,231 ratings
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English (UK)
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Amorfati
Posted on Jul 31, 2025
United States
35
26
0
15
Thank you for this medicine, I couldn’t remember it before. It helps me a lot and actually improves my memory. I will recommend it to others as well.”
Verified Purchase
🧠 Jarrow Formulas – Neuro Optimizer: Effective, Trusted, and Beneficial I’ve been using Jarrow Formulas – Neuro Optimizer for a few days now, and the results have been truly impressive. This supplement is specifically designed to support brain health, boost memory, improve focus, and promote overall mental clarity. It’s been especially helpful during times of stress, busy workdays, or when I’ve needed to concentrate on studying or tasks that require a lot of attention. ⸻ ✅ Key Benefits: • Improves memory – makes it easier to remember, think quickly, and recall information. • Increases focus – helps avoid distractions and stay productive. • Reduces stress – supports a calm mind and protects brain cells. • Supports neurons – which helps keep your brain sharp in the long term. • Clean formula – non-GMO, no artificial colors or flavors. ⸻ 💊 What’s Inside? The formula includes powerful nutrients like: • Acetyl-L-Carnitine – supports brain energy and function • Alpha Lipoic Acid – a strong antioxidant • Phosphatidylserine – important for memory and cognitive performance • Taurine, Cytidine, and other brain-supporting ingredients ⸻ 🌿 From a Trusted Brand: Jarrow Formulas is a well-known U.S.-based brand respected for high-quality, science-backed supplements. Their products are clean, effective, and made with strict quality control. ⸻ 🔁 Consistent Use Matters: This supplement is most effective when taken regularly. Personally, I began noticing improvements in just 2–3 days — better concentration, sharper thinking, and reduced mental fatigue. It’s a great option if you often feel forgetful, mentally drained, or simply want to keep your mind sharp.
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iHerb Customer
Posted on Oct 6, 2025
United States
69
0
0
4
perfect supplement for focusing
Verified Purchase
I got a recommendation from a friend to try Jarrow Formulas Neuro Optimizer for focus and brain health, and I love the results. It really helps on those days when I need to make a lot of decisions and tackle a million little tasks.
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AleksandraErmola
Gold
Posted on Apr 14, 2026
United States
1,234
0
0
452
Excellent complex
Verified Purchase
I took this complex for about a month—I took it as a "mind booster" because I experienced moments of fog, fatigue, and difficulty concentrating. I'll say right away—it's not a stimulant like coffee or nootropics with a kick. 👉 The effect is calmer and more cumulative. 🧠 What I felt after 2-3 weeks: my thoughts became more focused, less "brain fog," it was easier to concentrate on tasks, and my brain felt more "smooth." Sometimes I caught myself: 👉 getting distracted less often 👉 getting into work faster
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DEDsIHERB
Gold
Posted on Jan 3, 2026
United States
506
0
1
106
Dietary supplements
Verified Purchase
Jarrow Formulas® euro Optimizer® contains Cognizin® citicoline and Sharp-PS® phosphatidylserine. They support brain function and provide antioxidant protection without the use of stimulants. Citicoline is an important intermediate in the synthesis of phosphatidylcholine, the main component of gray matter in brain tissue. Citicoline supports brain metabolism and promotes the synthesis of the neurotransmitter acetylcholine. Phosphatidylserine supports the brain's normal response to normal stress. The antioxidants acetyl-L-carnitine and taurine help maintain neuronal health. Acetyl-L-carnitine, pantothenic acid, and L-glutamine support brain metabolism. Taurine promotes osmoregulation.
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Olga
Posted on Aug 18, 2025
Ukraine
83
6
0
30
To restore memory and attention.
Verified Purchase
The drug is worth your attention! I always take it two months before exams and drink 2 capsules a day. It helps restore cognitive functions. Concentration, memory and clarity of mind improve. The fog in the head disappears and it's wonderful. A sincere recommendation for those who have hard mental work.
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OahuFlex
Silver
Posted on Oct 1, 2025
Saudi Arabia
157
10
1
20
Brain health
Verified Purchase
I got Neuro Optimizer its a stimulant-free supplement designed to support brain health and function, improve memory and focus, and protect neurons from oxidative stress. It contains seven neuro-nutrient ingredients, including Citicoline, Phosphatidylserine (PS), Acetyl-L-Carnitine, and Taurine, which work together to support brain metabolism, the synthesis of neurotransmitters, and the brain's response to normal stress. Since i used it i have more focus and better memory what made me believe that the quality is good and I’m getting benefits.
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iHerbCustomer
Posted on Mar 28, 2026
Ukraine
80
4
0
1
Excellent option
Verified Purchase
The quality is very good, clean ingredients, good size just for a month, dosage 3 times a day, good for memory and cognitive functions of the brain, good taste
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iHerb Customer
Posted on Apr 21, 2026
Azerbaijan
69
67
0
2
Best
Verified Purchase
Outstanding quality supplement! You can really feel the difference from the first days. The ingredients are clean, well-selected, and in effective doses — no unnecessary fillers, just a powerful and balanced formula that actually works. Everything is perfectly combined to support real results. The serving size is convenient and easy to follow, making it simple to stay consistent. Capsules are easy to take with no unpleasant taste or smell. High quality, strong formula, and noticeable results — exactly what you expect from a premium supplement.
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oleg
Gold
Posted on Apr 14, 2026
Moldova, Republic of
717
4
0
64
Great
Verified Purchase
I bought it for my friends. The doctor prescribed it to them. It's a drug to improve memory and brain function. They liked it. You need to take 4 a day. They were happy. The quality is excellent.
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iHerbCustomer
Gold
Posted on Mar 15, 2026
Romania
325
40
0
65
Neuro optimizer
Verified Purchase
I started using neuro optimizer a few months ago, mostly during busy work weeks when I need better focus. I usually take it in the morning with breakfast, sometimes also one capsule later in the day if I have a lot to do. For me the biggest thing is how it seems to support my brain health. I don’t feel any strange or strong effect, but I notice that my concentration is a bit more steady and I don’t get mentally tired so fast. It feels more natural, which I like. The quality of the product also seems really good. The capsules are easy to swallow and I didn’t have any side effects, which is important for me. I tried other supplements before, but this one feels more balanced. Another thing I like is the size of the bottle. With 120 capsules it lasts quite long, so I don’t need to reorder all the time.
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