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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 5,371-5,380 of 11,986 reviews
Jul 15, 2025
Reviewer name: antoniob64_1990
4 out of 5 stars
4 out of 5 stars review

Makes an impact!

[This review was collected as part of a promotion.] So I’ve been taking Alpha Brain for a week straight and was skeptical at first. I made sure to take it without any caffeine or energy boosters. I have to say it did meet my expectations. After about 15 minutes, I felt focused, awake and mental clarity on things needing to be completed. I would say it lasts about 4 hours if you take 2 pills. Overall, I am satisfied with how Alpha Brain performed.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Jul 15, 2025
Reviewer name: michellez061b_704
5 out of 5 stars
5 out of 5 stars review

More alert

[This review was collected as part of a promotion.] I received this product free from @Influenster and @onnit, for my honest review. I’ve only taken these for a couple weeks and haven’t really noticed a difference. I didn’t taste anything when taking. I’m a little more alert, and my memory seems to be better. I do not have any jitters, and my stomach is fine after taking these. This product came very nicely packaged and was well sealed.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Apr 7, 2025
Reviewer name: jeniferb30_4897
2 out of 5 stars
2 out of 5 stars review

Didn't work for me

[This review was collected as part of a promotion.] I wanted this to work but unfortunately it didn't for me . I tried it for a week and it gave me a horrible headache and I rarely get headaches . This might work well for someone else with a higher tolerance .

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
reply from 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.

Jun 25, 2025
Reviewer name: ladyabigail_686
5 out of 5 stars
5 out of 5 stars review

Overall a good supplement for brain function!

[This review was collected as part of a promotion.] ~ Greetings, I received the Onnit Alpha Brain Supplement from Influenster and brand itself, for exchange of my honest review. I have to say though within the last three days that I have taken this supplement, my memory has been better, and as a result my motor skills also much improved! The results of these supplements in few days have improved my overall cognitive functioning as I was able to finish a book within the last three days. Usually when I start my day, I have lots to do and at the end of the day, I like to wind down. However, I noticed with this supplement my days started really early and ended later at evening completing my paperwork works, multi tasking a lot more as well as finishing a three hundred pages of book in three days. This supplement is nootropic formulation which it’s intend is geared towards improving human thinking, memory and learning. One situation however I noticed based on my own experience was that I wasn’t able to sleep the entire three nights for my mind was awake; other than that, the supplement worked great for me for having extra stamina to get through the day and complete multiple tasks at hand. This is a smaller bottle and comes with thirty capsules and the suggested intake at the back of the bottle are two capsules per day, which adds up for fifteen days of supplement.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Aug 14, 2024
Reviewer name: gabrielav118_8272
5 out of 5 stars
5 out of 5 stars review

This stuff works!

[This review was collected as part of a promotion.] The alpha brain daily cognitive support supplement is amazing. I’ve only been using it for a couple of days, but I already have better focus my memory seems to be better and my reaction time to questions is a lot faster.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Aug 15, 2024
Reviewer name: arantxas4
4 out of 5 stars
4 out of 5 stars review

👍🏽

[This review was collected as part of a promotion.] Alpha Brain supplements are a solid choice for enhancing cognitive function. They’ve helped me stay focused and alert throughout the day. While the results may vary, I appreciate the natural ingredients and noticeable improvement in mental clarity.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Aug 23, 2024
Reviewer name: malgom
4 out of 5 stars
4 out of 5 stars review

Quality nootropic supplement

[This review was collected as part of a promotion.] I have been taking this supplement for about a week and at first I was having a headache and didn’t feel that great. But, now it seems to be invigorating and I believe it helps my mental capacity. The capsules are quite large and there is a one month supply in the container. This supplement is packed with nootropic agents and amino acids needed for the production of neurotransmitters. Therefore, it has a potential to help if used long term.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Oct 21, 2024
Reviewer name: giovannam23
2 out of 5 stars
2 out of 5 stars review

Didn’t work for me

[This review was collected as part of a promotion.] I had good expectations about this supplement, but unfortunately it didn’t work for me. I tried it for the entire month (30 capsules) and honestly I didn’t feel any major difference/change regarding my energy neither my memory/ability to focus.

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

Thanks for giving Alpha Brain a shot and for sharing your experience! Everyone's experience can be a bit different with a formula like this. For some it can take some regular use to really feel these changes. To clarify, a full dose would be (2) capsules a day for 2-weeks, instead of (1) a day for 30 days. Please reach out to us at help@onnit.com if you need any additional support!

Jul 23, 2025
Reviewer name: rosemar87_6988
3 out of 5 stars
3 out of 5 stars review

Ok product

[This review was collected as part of a promotion.] I felt like this product was effective in helping me focus but not with memory. The packaging is eye catching. Didn't really taste the pills, they went down easily. Ingredients look like they are good.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Jul 4, 2025
Reviewer name: iceblueblonde89_2388
4 out of 5 stars
4 out of 5 stars review

Great product.

[This review was collected as part of a promotion.] This product is a game changer. My mental clarity has improved since starting this. I'm able to focus and get my task complete. Packaging is standard nothing crazy. The price of this product is high though. Overall would recommend.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153