I was somewhat skeptical, but after a week now of taking Stack, I can say... the recovery energy is for real, the focus is super sharp, and the streamlining of supplement delivery is extremely optimal. Thanks to Phi and all on the Stack team, you've got a new fan!

Day Stack:

The biggest change I notice when I take Day Stack is that I don't crash during the day like I usually do. It helps keep my energy and focus up, and I can feel the difference when I skip it. The effect is consistent and noticeable.

Night Stack:

With Night Stack, I fall asleep more easily and stay asleep through the night. I don't wake up as much, which makes my sleep feel deeper.

Form Factor:

The micropills are easy to take. If I had to choose, I'd rather take micropills over regular pills.

I replace my usual coffee routine with the daytime blend and it feels great. One dose of the daytime lasts two to almost three times as long as a couple cups of coffee. It feels much cleaner and I don't feel jittery or anxious at all. My body and brain seems to respond as it was wanting this mix.

The nighttime dose is soothing and I have been taking it at about 8 pm and enjoying a great meditation and flow into sleep.

I've been taking Stack for just over a month, and honestly... it's legit. I wasn't expecting much. I've tried enough overpriced supplements. But this one's different. It's easy and somehow, I've actually felt a difference.

Energy's been steadier. Sleep's been better. I'm not claiming this thing changed my life, but I'm also not skipping a day. It's clean, easy, and I'm not choking down a dozen horse pills. Even the packaging feels like it was made by someone who gave a damn.

It feels like someone tried to rethink what supplements should be, and got a lot of it right.

I'd love to see more transparency on the data and long-term results, but as far as daily routines go, this one earned a spot.

Staying consistent with vitamins when traveling has always been a hassle... until Stack! It's the best for travel. No pill organizers or baggies, just beautiful capsules I can toss in my bag.

The taste is slightly sweet, and I love Day Stack most. It feels like a boost before I work, helping me feel more productive and creative. I love having convenience, health, and energy all in one.

I typically get very tired in the mid afternoon but since taking stack I've felt so focused and able to power through the mid day slump. I have a really easily upset stomach and stack has never hurt my stomach at all even if I take it with an empty stomach. I'm also not great at swallowing pills or large amounts of liquid at a time. I take stack in 2 gulps and it goes perfectly.

Whenever I am starting to feel sick I feel like its normally when I have been missing taking my stack. Once I get back on it I feel great. I recently had bad food poisoning. The first thing I took the next day was my day stack and it revitalized me when I was feeling very shakey and low.

Stack from Phi is the best health tech I've used. Clean design, easy to use. I feel more dialed in than ever.

Day Stack: This has been a game-changer for my immune system and overall energy. Over the last four months, my four kids have each brought home different colds and viruses, but I've stayed completely healthy through it all. On top of that, I've noticed improved energy levels throughout the day, with no more afternoon crashes. It's amazing to feel this resilient and energized, especially in a house where germs are constantly circulating.

Night Stack: Since taking this supplement, my sleep quality has improved dramatically. I'm experiencing much more REM and deep sleep, waking up feeling refreshed, energized, and ready for the day. One unexpected benefit has been vivid, detailed dreams that I rarely experienced before.

I highly recommend Stack for anyone looking to enhance their immunity, energy, sleep quality, and recovery!

I have been using Stack for the past few months and love it! I feel more vibrant and healthier. I love the convenience of the capsules with the pre-measured beads for morning and night. The delivery system is carefully designed and executed. Perfection!