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…
I cancelled three supplement subscriptions when I found Stack. Why take three different things when one personalized pack covers everything you actually need? The simplification alone is worth the price. The results on top of that make it a no-brainer.
honestly wasn't sure about it at first but three weeks in and i'm so glad i tried it. energy is way better, i'm sleeping properly for the first time in months. the quiz was really detailed which gave me confidence it was actually personalized. would 100% recommend.
Decent product and I like the concept of personalized packs. The quiz was interesting. Honestly I haven't felt a dramatic difference after two months but I know supplements work differently for everyone. May continue a bit longer to give it a proper shot.
My skin has genuinely improved since starting Stack. I wasn't expecting that as a side effect but it makes sense — when your micronutrients are dialed in, everything benefits. And the energy is just... consistent. No peaks and crashes anymore. Would absolutely recommend.
Simple, effective, personalized. Exactly what I needed.
I started Stack after a health scare motivated me to get serious about nutrition. The quiz was thorough and gave me real confidence. Three months later my energy, sleep and mood have all improved significantly. I've referred multiple friends and all of them have had positive experiences.
Three months in and I've referred four friends. The combination of a proper personalization quiz and daily individual packets is exactly what this industry needed. Stack totally nailed it. My energy and sleep have both improved a lot.
One pack. Done. My energy is stable all day and I'm actually sleeping properly now.
The idea behind Stack is great and the quiz experience was genuinely good. I haven't seen massive results yet after six weeks though. Energy is maybe slightly better. The packaging is lovely but I expected more at this price point.
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.
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.
I've been taking random vitamins for years and never felt much. Stack is COMPLETELY different. The personalized quiz actually captures what you need and the results prove it. I feel better than I have in years. Told my whole family to sign up.
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