Skip to Main Content
Sam's Club
Sam's Club
All Departments
All Services
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)

Member photos

Sort by |
Showing 1,631-1,640 of 11,986 reviews
Jul 23, 2021
Reviewer name: James Staake
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Defragment your brain!!!

Cognitive Agility!!! My ability to process my day to day priorities activities is clearer, creating a daily punch list and moving through that punch list has become more streamline... my focus has never been this sharp!

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Apr 21, 2015
Reviewer name: Tommy James
2 out of 5 stars
2 out of 5 stars review

Verified Purchase

Would like to try again

I heard mixed reviews on alpha brain prior to trying it. Once I tried it, I couldn't discern whether it was a placebo effect or not, but I did feel the desire to learn something, read a book, etc...I did not see an improvement in my focus or memory

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Apr 28, 2021
Reviewer name: Anonymous
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

It works

Been taking this now for a couple months and my mind feels so sharp. My words , creativity, and mental function feels like it’s improved tremendously.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Mar 17, 2024
Reviewer name: Anonymous
1 out of 5 stars
1 out of 5 stars review

Verified Purchase

Disappointed

It's been 3 weeks since I started taking Alpha Brain and I honestly haven't felt anything different. The truth is I am very disappointed in the product.

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

Thanks for giving Alpha Brain a shot and for sharing your experience! Everyone can respond differently to a formula like this, and we're happy to help with some supplement tips and/or to help facilitate a return. Please email Help@Onnit.com for further assistance with your order!

Aug 20, 2024
Reviewer name: Sree
1 out of 5 stars
1 out of 5 stars review

Verified Purchase

Not for me

I got extremely nauseous and sweaty like I had to puke after taking my first dose. Not for me. Haven't tried it since . During then my hearing sense is very highened though. So it's too strong for me

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.

May 9, 2021
Reviewer name: mordich
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great product

Started noticing a difference about 2 weeks after I started taking it. I always take it about an hour before I go to the gym and I feel more focused on my workouts. In general, I've just been feeling better.

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

We're so happy to hear you're enjoying Alpha Brain! Thanks for taking time to leave a review :)

Apr 14, 2022
Reviewer name: Roy Don
3 out of 5 stars
3 out of 5 stars review

Verified Purchase

still on the fence

it’s not that it doesn’t work and i know our bodies all respond differently to things, but personally i wasn’t impressed. i think the advertisements i’ve seen tended to hype up this product a bit more than actual results.

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

Sorry to hear Alpha Brain wasn't a fit for you! Supplementation is unique to each of us, depending on the needs and sensitivities of our bodies. For additional assistance with your order, feel free to reach out to us at help@onnit.com.

Feb 21, 2024
Reviewer name: Ironworker
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Alpha brain works for mental and physical work

I'm an ironworker. I have to not only use some brainpower at work, but also I have a very physically demanding job. Alpha brain is awesome and has given me an edge at work. I have had a few guys I've shared with at work and they all agree.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Jul 3, 2015
Reviewer name: Shane Welcher
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

My Alpha Brain

I have been trying out Alpha Brain for around 3 months now and I have to say if there is one product made to help you regain your concentration and stay mentally sharp then it has to be Onnit's Alpha Brain. Thanks for such a good product.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Oct 18, 2020
Reviewer name: AJ Dewy
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

The results were almost instant!

I’m very happy with the results. I feel like my brain function is back to my early twenties, and I just turned forty. I’m excited to check out your other products as I build off of this momentum.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153