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Customer reviews for ONNIT Alpha BRAIN Nootropic Brain Health Supplement Capsules, 78 ct. for
ONNIT Alpha BRAIN Nootropic Brain Health Supplement Capsules, 78 ct.
3.8 out of 5 stars
stars
12K ratings11.9K reviews
  1. 5 stars52% (6,258)
  2. 4 stars15% (1,793)
  3. 3 stars10% (1,251)
  4. 2 stars7% (859)
  5. 1 star16% (1,909)

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Showing 5,701-5,710 of 11,986 reviews
Oct 29, 2015
Reviewer name: sonnyjames
4 out of 5 stars
4 out of 5 stars review

awesome stuff. would recommend!

I bought this stuff thanks to joe rogan and i'm a sceptic. after the first dose I was feeling ON POINT & FULL of energy. I was rushing around getting it done son, but not in a illicit drug style or over hyperactive state just sharp and clear. Honestly the 2nd day I took em before work with some breakfast (9am) and that day was a positive and fun day. I also worked like a champion(construction). from then on it was smooth sailing until now.. that Im out and need more haha. so yeah It worked for me. love it. thanks guys!

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Jun 27, 2025
Reviewer name: jennyh147_8536
5 out of 5 stars
5 out of 5 stars review

Supporting memory, focus, and reaction time

[This review was collected as part of a promotion.] Thanks to Influenster and Onnit for this Alpha Brain product. This dietary supplement helps support focus, memory, and cognitive processing speed. It's caffeine-free, making it suitable for those who are sensitive to caffeine. You can start with one capsule and increase to two daily.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Sep 6, 2024
Reviewer name: vanessae77
1 out of 5 stars
1 out of 5 stars review

Not a fan

[This review was collected as part of a promotion.] Took as advised on bottle. Noticed no difference Stayed hydrated, worked out ate a light meal prior, etc. this did nothing for me. No change in memory or focus. I will say I didn’t feel any adverse effects either.

Review from onnit.com
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reply from Onnit Customer Service

Thanks for leaving us a review about your experience with Alpha Brain! We’re bummed to hear that you didn’t have the experience that you expected while taking this product. We all respond to supplements differently, not only in how they affect us but how quickly they affect us. We definitely recommend taking the product at the recommended dose for a solid two weeks before deciding whether or not it’s working for you. After that time, if you’re still not feeling it, please feel free to reach out to us directly for further assistance.

Jul 24, 2025
Reviewer name: bcv_8485
5 out of 5 stars
5 out of 5 stars review

Onnit alpha Brain help me to remember more things

[This review was collected as part of a promotion.] So far so good! This is the first time I use Alpha Brain capsules, so It makes me feel very positive to use it daily. I realized a big difference day after day of using the product. I can deeply focus to something that I’m working on like drawing or reading. Also, it helps me to remember more things that I can forget quickly. I don’t see any side effects until now. I will skip one or two days and get back to use it again to see how improvement that Alpha Brain provides for me.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Aug 13, 2025
Reviewer name: yesssii10_8799
3 out of 5 stars
3 out of 5 stars review

Not sure

[This review was collected as part of a promotion.] I tried Onnit Alpha Brain but didn’t see a noticeable difference in focus during the time I used it. I’m sure that it may work better with longer use. On the plus side, I experienced no side effects and the capsules were easy to swallow, which made them convenient to take

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Sep 9, 2024
Reviewer name: rachelwojcik3
5 out of 5 stars
5 out of 5 stars review

Excited to see results

[This review was collected as part of a promotion.] Excited to see results from this product! I’m hoping it will help me during school and focus on my studies. I haven’t taken it long enough to see results but I am excited to continue taking this product!

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Jul 1, 2025
Reviewer name: hannav50_8995
4 out of 5 stars
4 out of 5 stars review

A good product for mental clarity and concentratio

[This review was collected as part of a promotion.] I took Alpha Brain for several weeks and was generally satisfied. After a couple of days, I noticed that it became easier to concentrate, especially in the morning. I liked that the product is not addictive and does not affect sleep - on the contrary, I began to fall asleep a little easier. There were no strong side effects. It was especially suitable for me during periods of mental stress - when I had to read a lot or work with texts. Of the minuses - sometimes, if I took it on an empty stomach, I felt a little nauseated. It is a great option for those who want to improve concentration and productivity. I would recommend trying at least one course, especially if you often work with information or feel “foggy in the head”

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Mar 21, 2025
Reviewer name: fashionfiesta_2934
5 out of 5 stars
5 out of 5 stars review

A Game-Changer for Focus and Mental Clarity

[This review was collected as part of a promotion.] Alpha Brain has completely transformed my cognitive performance. From the very first dose, I noticed a remarkable improvement in my focus, mental clarity, and ability to retain information. This nootropic supplement is packed with scientifically backed ingredients like Bacopa and L-theanine, which work synergistically to enhance brain function without the crash or jitters associated with caffeine-based stimulants. What truly sets Alpha Brain apart is its smooth, sustained mental boost. Instead of quick energy spikes, it provides long-lasting cognitive support, helping me stay sharp and productive throughout the day. I’ve experienced improved problem-solving skills and increased efficiency in tackling complex tasks—whether it’s work, studying, or creative projects. If you’re looking for a reliable nootropic to enhance mental performance without the downsides of traditional stimulants, Alpha Brain is definitely worth trying. It delivers real results and has become an essential part of my daily routine. Highly recommended!

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Apr 13, 2025
Reviewer name: nazirs1_5400
4 out of 5 stars
4 out of 5 stars review

Great product!

[This review was collected as part of a promotion.] I’ve been using Alpha Brain for a few weeks now, and overall I’m pretty impressed. I mainly wanted something to help with focus and mental clarity without relying on caffeine, and this definitely delivered. I notice I stay sharper during long work sessions, and my thoughts feel a bit clearer, especially in the mornings. It’s not like some magic pill where you feel superhuman, but it does give a noticeable boost in concentration. The fact that it’s stimulant-free is a big plus for me since I don’t like the jittery feeling I get from other supplements.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
May 12, 2025
Reviewer name: laurbach_8868
4 out of 5 stars
4 out of 5 stars review

Great for Focus Without the Jitters

[This review was collected as part of a promotion.] Alpha BRAIN® really helps me stay focused and think clearly throughout the day. I love that it’s caffeine-free—no crashes or jitters. It’s perfect for work or study. Highly recommend if you want better mental clarity.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153