















Meet the world's first Sleep Reset Pill
Sleep Reset Pill
Quantity
Buy 2, save 23%Buy 3, save 25%
- 30-day money-back guaranteeOn your first order. Refund policy
- Reserve yours todayWe email your tracking link the day it ships.
- Formulated in Switzerland10 capsules per sleeve, one per night.

“So many people struggle with mornings: fatigue, fog, snoozing for an hour. Zest’s delayed-release caffeine solves that in a way that aligns with how your biology actually works.”
Peer-reviewed
Zest’s timed-release technology was tested in a double-blind, placebo-controlled trial in Nature’s Scientific Reports.
Read the study- Supports a healthy circadian rhythm and sleep-wake timing*
- Helps you fall asleep closer to your target bedtime*
- Helps you wake up with energy and alertness*
- Helps you adjust to new time zones, shift work or a late weekend*
- A low 0.5 mg dose of timed-release melatonin, released through the first half of the night
- 80 mg caffeine on an 8 hr patented delayed release, timed for your alarm
Per capsule
| Ingredient | Amount | % DV |
|---|---|---|
| MelatoninTimed-release | 0.5 mg | * |
| CaffeineDelayed-release | 80 mg | * |
| Vitamin B5 | 6.7 mg | 137% |
| Vitamin B12 | 80 mcg | 3,333% |
| Zinc | 3.3 mg | 30% |
* Daily Value not established.
A clear outer shell holds blue liquid melatonin around a clear inner capsule of red-orange delayed-release caffeine pellets. 10 capsules per sleeve. Formulated in Switzerland.
Take one (1) capsule whole with half a glass of water before going to bed.
Do not chew or crush the capsule.
As seen in
Reset a shifted schedule
Your sleep, back on schedule.
Night 1
Fall asleep closer to your target bedtime
0.5 mg timed-release melatonin starts your night earlier.
Night 2
Your sleep window moves earlier
Melatonin at night, caffeine in the morning: both ends shift.
Night 3
Bedtime and alarm, back in sync
Then nightly as needed.
Every morning
Energy that arrives before your alarm
80 mg delayed-release caffeine, so you wake up ready.
Formulation
Sourced with the highest grade ingredients on Earth.
- Switzerland
- Germany
- 0 calories
- 0 sugar
- Gluten free
- Lactose free
- Vegan
- Non-GMO
- Formulated in Switzerland
The science
Clinically-validated delivery technology
Zest’s timed-release technology was tested in a peer-reviewed trial published in Scientific Reports (Dornbierer et al., 2021).
Fig. 02Peer-reviewed

In a double-blind, placebo-controlled study, participants who took the delayed-release caffeine before bed showed:
400%
increase in physical readiness to move
71%
increase in mental clarity
80%
improvement in ease of waking — within 15 minutes of opening their eyes
- Journal
- Scientific Reports
- Published
- 2021
- Design
- Double-blind, placebo-controlled
- Led by
- Zest’s research team
Fig. 02 Dornbierer, D.A., Yerlikaya, F., Wespi, R. et al. A novel bedtime pulsatile-release caffeine formula ameliorates sleep inertia symptoms immediately upon awakening. Sci Rep 11, 19734 (2021).
Read the study
“So many people struggle with mornings: fatigue, fog, snoozing for an hour. Zest’s delayed-release caffeine solves that in a way that aligns with how your biology actually works.”
Reviews
Loved by our community
Reviews
What Zest customers say
FAQ
Got questions?
Our team of sleep experts have answers.
Patented Timed-Release Technology
Melatonin through the first half of the night, then caffeine about 8 hours later, as you wake.
Formulated in Switzerland
Developed with Swiss neuroscientists and sleep doctors.
30-day money-back guarantee
Try your first sleeve. Not for you? Tell us within 30 days of delivery for a refund.









