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…
Was skeptical at first about personalized vitamins but after 6 weeks I can actually feel the difference. My gym recovery is noticeably faster and I'm not hitting that 3pm slump anymore. The packaging is clean and the packs are easy to throw in my bag. Genuinely impressed.
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.
Three weeks in and already feeling the difference. Sleep is better, energy is up. Impressed.
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.
I've been using Stack for about two months now and my overall experience has been positive. The quiz was genuinely thorough — more so than I expected — and the personalized pack that arrived clearly reflected my answers. Results have been good. My energy throughout the day is more stable, I'm sleeping better, and my workout recovery has improved. These are real, noticeable changes and I'm happy about them. The reason I'm giving 4 rather than 5 stars comes down to a few things I'd love to see added: 1. An app or dashboard to log how I'm feeling over time and track progress 2. The ability to re-take the quiz as my lifestyle changes (I changed jobs since signing up) 3. More in-depth explanation of each ingredient in my pack and why it was chosen for me The core product is excellent and I'll keep subscribing. These are improvements I hope the team considers.
My focus at work has been sharper and I'm waking up without that groggy feeling I used to have every morning. Told two friends about Stack already. Customer support was also really helpful when I had a question about one of the ingredients.
I've tried so many supplement brands over the years and Stack is genuinely different. The quiz nailed exactly what I needed — I've been sleeping better and my energy through the day is so much more consistent. The fact that everything comes in one little packet makes it so easy to stay on track.
Was skeptical at first about personalized vitamins but after 6 weeks I can actually feel the difference. My gym recovery is noticeably faster and I'm not hitting that 3pm slump anymore. The packaging is clean and the packs are easy to throw in my bag. Genuinely impressed.
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.
I used to have like 6 different bottles on my counter. Now it's just one Stack pack a day. The simplicity is honestly the biggest selling point for me. Love that it has my name on the packet too — feels really premium.
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.
Four months in and this is hands down the best wellness decision I've made. The packets are so easy to travel with — I never miss a day now because it's so frictionless. Energy, sleep, mood — all measurably better.
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