Customer Reviews
Your feedback shapes every formula we build. Read real stories from members, share yours, and see how personalized stacks are working for women like you.
Average rating
from 473 reviews
Worth a read
The reviews are in — and they've been loving the results.
I've tried so many supplements and honestly nothing has worked like this. The quiz is actually thorough and the results show it. Energy is UP, recovery is UP, sleep is SO much better. Can't believe it took me this long to find this brand.
Three weeks in and I already feel the difference. My morning energy is COMPLETELY different. No more dragging myself out of bed. The personalization through the quiz is what makes it work — it's not just a generic multivitamin. Stack actually thought about what MY body needs.
I've been on a health optimization journey for about three years and have tried what feels like every supplement brand on the market. Most of them are either generic multivitamins dressed up in pretty packaging, or they're so specific that you need to be a nutritionist to…
Solid product that does what it promises. My sleep has noticeably improved and the daytime energy is more stable. Dropped one star only because I had a small shipping delay — but customer service sorted it quickly. Would still recommend.
thought it would be like every other supplement brand. nope. feeling genuinely better after 5 weeks.
Very happy with Stack overall. The packaging is clean, delivery was quick and the quiz was thorough. I just wish the website had a bit more education around each ingredient and why it was included in my pack. Results have been good though — energy and sleep both improved.
The packaging is some of the nicest I've seen in wellness. But beyond aesthetics, the product delivers. My energy throughout the day is more stable and I'm recovering faster from workouts. I was genuinely skeptical about personalized supplements before this.
thought it would be like every other supplement brand. nope. feeling genuinely better after 5 weeks.
great product overall, the personalization definately works. i've noticed better sleep and more stable energy after about a month. only thing is i wish the website explained a bit more about each ingrediant in my pack. but the results have been good so i'll keep going.
One pack. Done. My energy is stable all day and I'm actually sleeping properly now.
As a runner and full-time professional, I needed something that could keep up with my lifestyle. Stack's personalized pack does exactly that. Recovery is faster, energy is more stable, and I'm sleeping deeply again. The quiz was more thorough than anything I've encountered before.
wasn't sure what to expect but after about a month i'm genuinly surprised by how much better i feel. energy is up, sleep is better, i'm recovering faster from workouts. the quiz captured my needs really well. super happy with stack overall.
Really solid supplements and the personalization aspect is legit. Shipping was super fast too. Only reason I'm not giving 5 stars is I wish there was an app to track how I'm feeling over time. Product itself is great though.
I work night shifts and my sleep schedule is chaotic. Stack's personalized formula has been the one consistent thing helping me manage my energy and recovery. The quiz took my unusual lifestyle into account, which I really appreciated.
Skeptical at first. Now a total convert. My whole morning feels different.
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