Zinc 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…
The quiz experience alone sold me — it actually asked smart questions about my lifestyle, not just age and gender. Felt like it was designed by people who genuinely know nutrition. Been on it for 2 months now and I love it.
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.
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.
i was a bit skeptical about personalized vitamins but honestly the quiz was really thorough and i could tell alot of thought went into it. been taking it for 6 weeks and my energy has definitly improved. sleeping much better too. definately recommend to anyone who wants to get serious about their health.
Since I started taking Stack, my energy levels have noticeably improved and I'm recovering faster after exercise. At my last check-up my GP asked what I'd changed — Stack was the first thing I mentioned. The personalized approach clearly addressed deficiencies generic vitamins couldn't.
Three weeks in and already feeling the difference. Sleep is better, energy is up. Impressed.
been on stack for about 6 weeks. the quiz was good and i like the daily pack format. just haven't felt the energy and sleep improvements others talk about. might be that i need longer. will update my review if things change.
i was a bit skeptical about personalized vitamins but honestly the quiz was really thorough and i could tell alot of thought went into it. been taking it for 6 weeks and my energy has definitly improved. sleeping much better too. definately recommend to anyone who wants to get serious about their health.
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.
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.
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.
Let me be honest — I was deeply skeptical about personalized supplements. It felt like a marketing gimmick to charge more for what is essentially just a curated multivitamin. I did my research, read the science, and decided to give it a three-month proper trial. The quiz was impressively detailed. Questions about dietary habits, stress levels, sleep quality, exercise type and frequency, specific health goals. It clearly wasn't a one-size-fits-all approach. After three months: - Sleep quality: dramatically improved. I'm falling asleep faster and waking up genuinely refreshed. - Energy: the afternoon slump that used to hit me at 3pm is essentially gone. - Gym performance: recovery is noticeably faster, workouts feel stronger. - Bloodwork: my GP ran a panel at my annual check-up and my iron and vitamin D were both in optimal range for the first time in years. The convenience factor is also underrated. One daily pack removes all decision fatigue around supplements. I've been 100% consistent for three months because the habit is completely frictionless. This is the real deal.
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