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Customer Reviews

The Stack community,
in their own words.

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

4.70

from 473 reviews

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…

Lauren B.

Reviews

J
Jade Q.
5.0

changed my whole routine

used to take like 5 different supplements every morning and always forgot at least two of them. now i take one stack pack and that's it. so much simpler. and the results are actually better than when i was doing it all separately which is wild.

C
Chloe D.
5.0

10/10 would recommend

Energy, sleep, recovery — all noticeably better after 4 weeks. The quiz is thorough and the personalization is real.

K
Kezia E.
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.

R
Reva 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.

L
Luna M.
5.0

Recovery time cut in half

As a runner and full-time professional, I needed something that could keep up with my lifestyle. Stack's personalized pack does exactly that. Recovery is faster, energy is more stable, and I'm sleeping deeply again. The quiz was more thorough than anything I've encountered before.

A
Amanda F.
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.

R
Rin F.
5.0

GAME CHANGER for my health routine

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.

S
Scarlett P.
5.0

Sleeping better than I have in years

I am a 50-year-old female and had been seeing the ads for personalized vitamin packs everywhere. I jumped in to try. The results in this first month have been huge — I am sleeping better, my energy increased and I feel focused. It is worth every penny.

L
Logan A.
2.0

didn't really work for me

i really wanted to like this. the concept is great and the quiz was detailed. just didn't feel much difference after 2 months. a bit disappointing at this price. customer service was helpful though.

I
Ian H.
5.0

My whole morning routine changed

I used to have like 6 different bottles on my counter. Now it's just one Stack pack a day. The simplicity is honestly the biggest selling point for me. Love that it has my name on the packet too — feels really premium.

M
Miles D.
5.0

This is what personalized health looks like

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.

A
Adrian K.
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.

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