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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 3,991-4,000 of 11,986 reviews
Aug 22, 2024
Reviewer name: griselb6
5 out of 5 stars
5 out of 5 stars review

Get ready for a focus day

[This review was collected as part of a promotion.] It’s here!!! That good vitamin that will give you a boost to your day. There’s absolutely no taste. You will need to take a lot of water with it and after taking it for about 5 days you will have a better feeling and sense of what you are doing on your daily tasks. I certainly recommend, the bottle is small and can carry it with you any where you go.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Jun 19, 2025
Reviewer name: dianab523_5140
5 out of 5 stars
5 out of 5 stars review

No Jitters, Just Focus

[This review was collected as part of a promotion.] I’ve been using ONNIT Alpha Brain for a few days and already feel more focused and clear. It’s helping me stay organized and think faster, especially when I’m busy. I love that it’s caffeine-free, no crashes or jitters. Excited to keep using it and see more results.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Jul 20, 2025
Reviewer name: clavel505_4663
4 out of 5 stars
4 out of 5 stars review

Helpful

[This review was collected as part of a promotion.] I've been using these for a few weeks now and they have helped me focus. The individual pills are are coated capsules so they do not have a bad taste. I feel more focused when I take these and they are a natural alternative. Although, I do not have difficulties concentrating we do live in an over stimulating society. The value for the price is also good compared to other supplements. Overall I would reccommend.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
May 22, 2025
Reviewer name: mariamsik_6101
5 out of 5 stars
5 out of 5 stars review

It’s a great supplement

[This review was collected as part of a promotion.] I’ve been using this nootropic for about a month now, and I’m honestly blown away by the results! My focus has improved significantly, and I feel much more clear-headed throughout the day. It’s like a mental fog has lifted, and I’m able to stay on top of tasks with ease. I also noticed an increase in my energy levels without any jitters, which is a huge plus. What really stands out is the sustained productivity boost I’m able to work longer without feeling mentally drained. Good size package that will last a long time. Quality ingredients with lots of benefits for your brain. It’s a great supplement for anyone looking to enhance productivity, especially during work or study sessions.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Jun 19, 2025
Reviewer name: yajairat12_7043
1 out of 5 stars
1 out of 5 stars review

Ask ur doctor before taking this I felt super sick

[This review was collected as part of a promotion.] The packaging was great the value of money was good it has no taste but for my honest review I got sick even if I ate how it tells u I felt nauseous and super dizzy I thought i was going to faint so before taking this ask ur doctor I feel better now

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
reply from Onnit Customer Service

Thank you for sharing your experience with this formula, we’re sorry to hear that it wasn’t a positive one! Everyone's experience with supplementation is unique to them, and we would like to learn more about yours. You will be contacted by someone on our Customer Service team shortly so we can support you directly in this matter. -- Cailee B. ONNIT Customer Service Associate #getonnit

Aug 22, 2020
Reviewer name: Cam R
1 out of 5 stars
1 out of 5 stars review

Made me extremely nauseous!

The first day I took the recommended dosage it seemed to be helping me focus more. But a few hours later I got some severe nausea that lasted the rest of the day. It was horrible. It seemed to work but the side effects were terrible for me. I wont be taking again unfortunately.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Sep 5, 2015
Reviewer name: Mvchorens
5 out of 5 stars
5 out of 5 stars review

Great stuff

I bought this a couple weeks back and other purchases , I just had to buy other products . your products advance my productivity , mental clarity , and a different view on life . you guys and girls of this brand On it is life changing thank you so much for doing what you do .

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Jun 28, 2025
Reviewer name: sophiew226_1914
3 out of 5 stars
3 out of 5 stars review

Haven’t seen any effects yet

[This review was collected as part of a promotion.] I’ve been taking these supplements as directed and I’m not sure if I really feel any effects, I might need to take them longer or have some tests done to see if they really work. Besides that I like the clean and simple ingredients and it definitely didn’t have any side effects so it didn’t hurt to try.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Feb 3, 2016
Reviewer name: skim239
5 out of 5 stars
5 out of 5 stars review

great!!

I am taking it for 5 days. It is amazing...! I usually couldnt focus on most conversation or speech, not now my brain is catching most of words. Lol. And recently i registered on lumosity. My memory is on the top 5% and attention is top 8% compared to my age group data(25-59). I am not sure i was this good before i took alpha brain because i hadnt used lumosity before. Anyway high thumps up!

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Aug 18, 2024
Reviewer name: zooeyn
5 out of 5 stars
5 out of 5 stars review

Friend for the brain

[This review was collected as part of a promotion.] This serves as the brain promoter, helps me feel aware, think clearly, and not headache. Two pills a day is all it takes to get a clear mind after a good night sleep. The pills are small to swallow. The bottle is good quality to keep moist out. I am very happy with this product.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153