I've supplemented with Gingko Biloba and Ginseng for about 25 years now. I struggled with energy and memory retention all throughout high school but it wasn't until after I graduated did I start tryi... See more
While we don't verify specific claims because reviewers' opinions are their own, we may label reviews as "Verified" when we can confirm a business interaction took place. Read more
To protect platform integrity, every review on our platform—verified or not—is screened by our 24/7 automated software. This technology is designed to identify and remove content that breaches our guidelines, including reviews that are not based on a genuine experience. We recognise we may not catch everything, and you can flag anything you think we may have missed. Read more
See what reviewers are saying
I have certainly felt a huge improvement in my productivity and focus since taking X Brain Science. It is my first time using brain supplements and 3 months in - I wish I would have taken it much soon... See more
X has been a game changer in my life. I am a father of 2 kids who play multiple sports and a husband and engineer by day. I feel focused and better organized with my calendar. I feel more motivated... See more
Hi, this is my first day trying X. I'm looking forward to feeling the effects of X, and getting more done. I procrastinate allot, but I heard that X is good with helping with focus and productivity. I... See more
Company details
Written by the company
"X is the world’s ultimate brain performance enhancing supplement. Backed by science, with 17 premium ingredients, all tested in clinical studies that show substantial benefits to cognitive function."
Contact info
548 Market St, 94104, San Francisco, United States
- 833.927.2461
- hello@xbrain.science
- xbrain.science
Well I definitely felt more dialed in…
Well I definitely felt more dialed in after taking it more focus
Immediately noticing benefits
Immediately noticing benefits, I love the product!
Surprisingly Effective — Felt the Boost Fast
I wasn’t sure what to expect, but this nootropic from XBrain surprised me in the best way. I felt a noticeable lift in focus and mental clarity shortly after taking it. My workflow picked up, and I stayed productive without feeling overstimulated. Really impressed with how quickly it kicked in and how natural it felt.
I've had amazing experience with this…
I've had amazing experience with this supplement.After trying many supplements for many, many years, I have finally come across this product which has cleared away.My mental fog and also made my day much more productive.Thank you so much x team!
Been taking it for about 20 days now…
Been taking it for about 20 days now and I already feel sharper. So far it's working. Happy with the product!
Locked in formula!
I was a consistent alpha brain user for years but was looking for something that would provide better results. I decided to try X and after taking the dosage for a few days it helped me stay sharp, focused, and able to connect things much quicker and more efficient than before. Found my new nootropic!
Worth the money
Worth the money - I like to use it at work for a nice little PM cognition boost with no caffeine or stimulants!
I have certainly felt a huge…
I have certainly felt a huge improvement in my productivity and focus since taking X Brain Science. It is my first time using brain supplements and 3 months in - I wish I would have taken it much sooner. I have seen improvements in focus, mental health, reduced anxiety, along with all round more positive moods and self talk. I also started working out each day so I definitely recommend getting active daily along to help you feel the results quickly!
Getting back to remember
As I was aging, I noticed my brain function somehow slowed down, however, after I discovered this XBrain supplement, my brain functioning gradually went back and I was able to recall things clearly just like when I was in my younger years.
Very impressed
They say give 2 weeks for full effects but after 1 week I can already tell a difference. Less brain fog, better spirits during the day, better tolerance with coworkers lol. Will deff continue to be part of my daily wellness stack
One of the best things I’ve ever tried…
One of the best things I’ve ever tried for brain health and productivity. I feel like my efficiency has majorly increased since taking this
Would defiantly order again!!
Would defiantly order again!!! this supplement has helped me focus, concentrate, and relive stress. Thank you XBRAIN!!
I bought the X Brain Power for my…
I bought the X Brain Power for my mother with dementia to improve her cognitive function. Even though I just purchased them I am already seeing the effects after 2 weeks. I am looking forward to seeing what improvement she will have after a month.
Instant Mental Upgrade!
Instant Mental Upgrade!
I tried X for the first time and felt it almost immediately. Within 30 minutes, my focus sharpened, the mental fog cleared, and my energy leveled up—without any jitters. Tasks that normally felt like a slog flew by effortlessly.
It was like flipping a switch in my brain—ideas flowed, motivation soared, and I actually enjoyed getting things done. Super clean, clear, and powerful.
If you’re looking for a legit brain boost, X is the real deal. I’m seriously impressed and already hooked!
best stuff out there
I’ve taken a lot of nootropics over the years, and this is clearly the best. All the stuff you need, in clinically effective doses. Mad props.
I’ve tried multiple brain supplements…
I’ve tried multiple brain supplements and X brain has been the best by far. I recommend this to every family member, friend and even strangers that are looking to get into brain supplements
I’ve had a full bottle
I’ve had a full bottle, and this is a steady focus supplement. It’s potent and strong for about 3 hours or more and it’s pretty good relative to other products out there’s recommend.
Day 1- I was impressed
Day 1 I was impressed! I took 4 capsules (6 is suggested) and that’s all I needed to kickstart my day. Afterwards I just took 2 a day except when I had a lot to accomplish (work reports, meetings, proposals). I’ve been without for almost a week and I’m back to where I was before Xbrain.
Awesome Product!
Awesome product! I've been looking for a supplement to help me counter the brain fog from long days of intense concentration on my work. X has made me less fatigued, more focused, and helped me to make the best use of my time
I highly recommend this product
I highly recommend this product! It has helped my focused which helped my efficiency with my busy schedule!
The Trustpilot Experience
Anyone can write a Trustpilot review. People who write reviews have ownership to edit or delete them at any time, and they’ll be displayed as long as an account is active.
Companies can ask for reviews via automatic invitations. Labeled Verified, they’re about genuine experiences.
Learn more about other kinds of reviews.
We use dedicated people and clever technology to safeguard our platform. Find out how we combat fake reviews.
Learn about Trustpilot’s review process.
Here are 8 tips for writing great reviews.
Verification can help ensure real people are writing the reviews you read on Trustpilot.
Offering incentives for reviews or asking for them selectively can bias the TrustScore, which goes against our guidelines.








