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…
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.
A
Ahmed Y.
4.0
really good product
really good product and good concept, i like it alot. the quiz was alot more detailed than i expected and the packs are super convienent. been on it for about 6 weeks and definitly feeling better energy wise. would recomend to anyone looking for personalized supplements.
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Nate L.
4.0
Good, not perfect
Solid product, real results. Just wish there was an app to track progress. Energy and sleep both improved noticeably.
R
Ruth Q.
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.
L
Lucia O.
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.
E
Esther E.
4.0
really good product
really good product and good concept, i like it alot. the quiz was alot more detailed than i expected and the packs are super convienent. been on it for about 6 weeks and definitly feeling better energy wise. would recomend to anyone looking for personalized supplements.
J
Jessica T.
4.0
Effective and convenient
Three months in and genuinely pleased. The personalization through the quiz works well and I've felt real improvements in energy and focus. Minor feedback — it would be great to have an option to update my quiz answers as my lifestyle changes.
B
Blake I.
4.0
Good quality, minor feedback
Good product overall. The quiz was straightforward and the recommendations seemed genuinely tailored to me. I've noticed improved energy after about a month. Would love more communication about what each supplement is doing for me specifically.
M
Michelle C.
4.0
GOOD product, minor things to fix
Overall really happy with Stack. The quiz was GREAT and I've noticed real improvements in my energy and sleep. Only thing stopping me from 5 stars is I'd love an app to go alongside it. But the product itself is SOLID. Recommend.
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Umar Z.
4.0
Good product, fast shipping
Solid product that does what it promises. My sleep has noticeably improved and the daytime energy is more stable. Dropped one star only because I had a small shipping delay — but customer service sorted it quickly. Would still recommend.
M
Max M.
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.
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Eric R.
4.0
pretty good overall
been using stack for about 6 weeks and honestly pretty happy with it. energy is better, sleep has improved. the quiz was more detailed than i expected which was reassuring. only feedback is i wish i could update my quiz answers every few months as my routine changes.