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…
One pack. Done. My energy is stable all day and I'm actually sleeping properly now.
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.
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.
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.
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.
Getting my quiz results and understanding the areas I needed improvement on was fantastic. I now have a much better understanding of my body. Taking the supplements is simple and I have been feeling great since starting. Stack has also cleared out my vitamin cupboard completely.
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.
Started taking Stack about 6 weeks ago and the results have honestly surprised me. Sleep quality is WAY up, my afternoon crashes are basically gone, and my workouts feel stronger. The daily pack format means I actually remember to take them every single day. LOVE IT.
Energy, sleep, recovery — all noticeably better after 4 weeks. The quiz is thorough and the personalization is real.
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.
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.
Energy, sleep, recovery — all noticeably better after 4 weeks. The quiz is thorough and the personalization is real.
Your turn
Personalized vitamins in 2 minutes. No guesswork — just what your body needs.
Take the quiz