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.
“I've tried so many supplements and honestly nothing has worked like th…”
— Hassan T.
“Three weeks in and I already feel the difference. My morning energy is…”
— Isabella J.
“I've been on a health optimization journey for about three years and h…”
— Lauren B.
Worth a read
What people are saying
The reviews are in — and they've been loving the results.
Stack is AMAZING
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.
Hassan T.
Best decision I made this year — HANDS DOWN
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.
Isabella J.
A genuinely thoughtful supplement brand
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…
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.
M
Megan O.
5.0
Stack is AMAZING
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.
V
Van A.
4.0
Strong results, just one small thing
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.
R
Rose L.
5.0
so happy i found this
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.
A
Aisha Y.
5.0
One pack a day keeps the slump away
Been on Stack for four months and I've basically forgotten what the afternoon energy dip feels like. That alone has transformed my productivity. Add improved sleep and faster workout recovery and you have a product I'll never stop taking.
L
Luca H.
5.0
Stack is AMAZING
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.
I
Iris Z.
5.0
so good omg
okay i genuinely didn't expect to feel this much of a difference so quickly but here we are lol. sleep is better, energy is more stable throughout the day, gym recovery is faster. the fact that it has my name on the packet is adorable too. love stack!!
C
Chloe D.
5.0
Stack is AMAZING
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.
D
Diana K.
5.0
No more guessing which vitamins to take
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.
E
Evan T.
4.0
solid, minor improvments needed
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.
J
Joel F.
5.0
Best decision I made this year — HANDS DOWN
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.
H
Hunter X.
5.0
Cleared out my entire supplement cabinet
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.