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…
Enjoying Stack so far. I'm about 7 weeks in and energy has improved, sleep is more consistent. The personalization feels real and not just marketing. Minor thing — the quiz could ask a few more questions about dietary restrictions.
had been looking for something like this for a while. the quiz is alot more detailed than i expected and the daily packs are so convienent. been on it for two months and my energy and sleep have both improved alot. would definately buy again and already told my friends.
i was a bit skeptical about personalized vitamins but honestly the quiz was really thorough and i could tell alot of thought went into it. been taking it for 6 weeks and my energy has definitly improved. sleeping much better too. definately recommend to anyone who wants to get serious about their health.
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.
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.
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.
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.
Energy, sleep, recovery — all noticeably better after 4 weeks. The quiz is thorough and the personalization is real.
My partner keeps asking what I've changed. Better mood, more energy in the evenings, waking up actually refreshed. Stack quietly transformed my daily baseline. I didn't even realize how much until I looked back at how I used to feel.
Energy, sleep, recovery — all noticeably better after 4 weeks. The quiz is thorough and the personalization is real.
What I appreciate most is that the quiz asks about my actual lifestyle — stress levels, sleep quality, diet — not just my age. That's real personalization. The results show in how I feel every single day. I've cancelled every other supplement subscription I had.
Solid product, real results. Just wish there was an app to track progress. Energy and sleep both improved noticeably.
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