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…
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.
V
Valentina V.
4.0
Strong results after 6 weeks
Really good supplement brand. The daily pack format is so convenient and I've been 100% consistent because of it. The quiz was genuinely thorough. Knocked one star off because I'd love the option to add or remove individual supplements as I learn more about my body.
N
Nina E.
4.0
Good, not perfect
Solid product, real results. Just wish there was an app to track progress. Energy and sleep both improved noticeably.
G
Gideon S.
4.0
Really solid, would recommend
Really solid supplements and the personalization aspect is legit. Shipping was super fast too. Only reason I'm not giving 5 stars is I wish there was an app to track how I'm feeling over time. Product itself is great though.
F
Fiona K.
5.0
Changed my life honestly
Before Stack I had zero consistent supplement routine. Now it's one pack, every day, effortless. Results speak for themselves.
X
Xena X.
4.0
good stuff, would recommend
good product, nice packaging, the quiz was solid. been taking it for 5 weeks and definitely feeling more energy during the day. would give 5 stars if there was an app to go with it but that's a minor thing. overall recommend.
W
Wren A.
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!!
O
Omar D.
5.0
Told everyone I know about Stack
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.
N
Noah F.
5.0
So glad I tried this
Skeptical at first. Now a total convert. My whole morning feels different.
R
Rafael N.
5.0
I feel SO much better
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.
D
Dylan Y.
4.0
Good, not perfect
Solid product, real results. Just wish there was an app to track progress. Energy and sleep both improved noticeably.
P
Pedro P.
5.0
Told everyone I know about Stack
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.