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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 3,761-3,770 of 11,986 reviews
Aug 20, 2024
Reviewer name: carlyg28
4 out of 5 stars
4 out of 5 stars review

I can tell a slight difference!

[This review was collected as part of a promotion.] I honestly can’t tell that much of a difference from taking this! Maybe the slightest with my memory! I’m a night shift worker and this has helped with my forgetfulness! It is kinda expensive though so I’m not sure I’d buy this on my own.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Sep 3, 2024
Reviewer name: tairec
5 out of 5 stars
5 out of 5 stars review

A great supplement for brain focus

[This review was collected as part of a promotion.] This supplement is excellent for focus and energy and helps combat brain foc. Felt energized and motivated throughout the day. Bottle keeps it fresh and you receive quite a few supplements per bottle.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Aug 31, 2025
Reviewer name: stefp11_6146
4 out of 5 stars
4 out of 5 stars review

Alpha Brain will turn on your focus

[This review was collected as part of a promotion.] I tried Alpha Brain, a nootropic supplement designed to support focus, memory, and mental clarity. The capsules are easy to take, and I didn't notice any unpleasant aftertaste, which is a plus compared to some other supplements. After consistent use, I did notice subtle improvements in concentration and mental sharpness-particularly during long work sessions or when I needed to stay engaged in conversations. The effect wasn't dramatic or instant, but more of a steady improvement. This product didn’t give me the jitters like others have in the past.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Aug 10, 2024
Reviewer name: ku13sh
5 out of 5 stars
5 out of 5 stars review

I Think I'm a Genius Now!

[This review was collected as part of a promotion.] So, I tried Onnit Alpha Brain, and I'm pretty sure I'm a certified genius now. I popped a couple of these bad boys, and suddenly I was solving complex math problems, remembering where I put my keys, and even winning arguments with my spouse. Seriously, I might need a cape and a theme song at this point. The clarity and focus I get from Alpha Brain are next level. It’s like I went from dial-up to high-speed internet in my brain. Now, when someone asks me a tough question, I actually have an answer instead of just nodding and pretending I understood what they said. The only downside? I might have set the bar too high—people are starting to expect this level of brilliance all the time. But hey, that’s a small price to pay for being on top of my game. In all seriousness, Alpha Brain has been a game-changer for my focus and productivity. Just be prepared for everyone to start asking you for advice on everything once you start taking it!

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Mar 21, 2025
Reviewer name: cassidy21_2295
5 out of 5 stars
5 out of 5 stars review

Great for brain functions

[This review was collected as part of a promotion.] On it is a great brand for your brain. It helps support memory and focus for older folks. I start using it in my early 30s and it really does help keep me focused and concentrate better than before. Love it.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Aug 19, 2024
Reviewer name: daraladyluck
5 out of 5 stars
5 out of 5 stars review

Focus best kept secret

[This review was collected as part of a promotion.] Alpha Brain definitely helps me maintain focus and gives a good energy boost. I'll continue to buy it. No negative side effects for me and definitely helps me focus and get work done. Normally I’m very easily sidetracked but not anymore! Start a task-end a task. Simple as that. Alpha Brain just somehow gets me motivated, focused, and my energy lasted almost all day!

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Jun 25, 2025
Reviewer name: miket9999_5141
5 out of 5 stars
5 out of 5 stars review

Focus and boost your memory

[This review was collected as part of a promotion.] I’ve been using Alpha BRAIN for about a month now, and I’m really love the result! The mental clarity and focus I get about 30-45 minutes after taking it are noticeable, no jitters, just smooth concentration. It’s been great for work sessions and even studying. The only downside is the price, but if you catch a sale, it’s worth it.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153
Sep 10, 2024
Reviewer name: nerdjen
2 out of 5 stars
2 out of 5 stars review

Sharp Focus, Rough Nights

[This review was collected as part of a promotion.] Tried Onnit Alpha Brain and was excited for a focus boost and it definitely delivered on that front. But, the downsides? Big ones for me. The "comedown" was rough—felt nauseous and it seriously messed with my sleep, waking me up every hour. Loved the focus, not the side effects.

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.

Aug 28, 2024
Reviewer name: celested7
3 out of 5 stars
3 out of 5 stars review

Stay home

[This review was collected as part of a promotion.] This is a supplement you need to stay home for if your going to take it. The reaction my body had was not the best. I had to stay close to the toilet and my stomach hurt and felt crampy. I did not notice any improvement so far with taking them.

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.

Jul 1, 2025
Reviewer name: renatah4_6922
5 out of 5 stars
5 out of 5 stars review

I love it

[This review was collected as part of a promotion.] I'm excited about this product because I've been looking for something for my memory for a long time. I've been taking it for a few days now and have noticed improvement in concentrating on my tasks. It's a very interesting product and has no taste.

Review from onnit.com
Helpful?1KJFR6XS8BD413614914153