My evenings have completely changed
I used to be useless after 7pm. Now I have energy into the evenings and actually enjoy time with my family rather than just surviving until bedtime. Stack has genuinely changed my quality of life.
Nour M.
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Specialty3mg sustained-release
Melatonin SR
SUSTAINED-RELEASE SLEEP MAINTENANCE
Dairy freeGluten freeSoy freeGMO free
$13.99/mo
30-day supply
Key Benefits
1
Helps you fall asleep faster and stay asleep through the night
2
Supports uninterrupted, deep sleep cycles
3
Gradual melatonin delivery mimics natural pattern
4
Ideal for those who wake in the middle of the night
Recommended Dose
3mg sustained-release
Take one 3mg sustained-release capsule 30-60 minutes before bedtime. Do not crush or chew — the sustained-release mechanism requires the capsule to dissolve gradually. Allow a full 7-8 hour sleep window to avoid morning grogginess from the extended release.
Get your personalized dose⚗️
3rd Party Tested
🩺
Doctor Formulated
🛡️
cGMP Certified
The Details
Why you'll love it
Standard melatonin is great for sleep onset — it helps you fall asleep. But your body's natural melatonin doesn't peak and disappear; it maintains elevated levels throughout the night, gradually declining toward morning. If you wake at 2 or 3 AM and can't fall back asleep, a standard melatonin supplement (which is fully absorbed within 1-2 hours) has already come and gone.
Sustained-Release melatonin solves this by using a matrix that gradually dissolves over 6-8 hours, releasing melatonin in a pattern that more closely mimics your body's natural nighttime production. The initial release supports falling asleep, and the continued release supports staying asleep through the second half of the night.
This is particularly beneficial for older adults (whose natural melatonin production is lower and peaks earlier), shift workers adjusting to daytime sleep, and anyone whose middle-of-the-night waking is disrupting their sleep quality. Clinical studies show sustained-release melatonin improves sleep maintenance, increases total sleep time, and enhances next-day alertness compared to immediate-release formulations.
Research
Clinical Evidence
Key studies supporting Melatonin SR, from peer-reviewed journals.
1
Slow-release melatonin keeps working for 6 months with no tolerance buildup
Nightly treatment of primary insomnia with prolonged release melatonin for 6 months: a randomized placebo controlled trial — 2010
2
Slow-release melatonin improves sleep quality and next-day alertness in older adults
Efficacy of prolonged release melatonin in insomnia patients aged 55–80 years: quality of sleep and next-day alertness outcomes — 2007
Study titles are simplified for readability. Provided for informational purposes — not medical advice.
Transparency
What's Inside
Third-Party Tested
Every batch is independently tested by ISO-17025 accredited labs for purity, potency, and contaminants.
Doctor Formulated
Designed by healthcare professionals using evidence-based research and clinical expertise.
cGMP Certified
Manufactured in cGMP & UL certified, FDA-registered facilities with a flawless inspection record.
Important Information
Contraindications
- sedative medication
- autoimmune condition
Not suitable for
- pregnant
- breastfeeding
May cause drowsiness — allow a full 7-8 hours for sleep. Not recommended with sedative medications, for those with autoimmune conditions, or during pregnancy/breastfeeding.
As with any natural health product, consult your healthcare practitioner. Store in a cool, dry place. Keep out of reach of children. Discontinue use immediately if you experience an adverse event.
What people say
changed my whole routine tbh
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. wild.
Hazel B.
The value proposition is actually excellent
I calculated what I was spending on separate supplements, gym supplements, and energy drinks before Stack.
Tim A.
Simple, smart, and it actually works
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.
Ashley N.
The inflammation reduction has been significant
I suffer from low-grade chronic inflammation and it affects everything - energy, mood, joint comfort. Stack's personalized formula has noticeably reduced these symptoms over three months. The targeted approach is clearly more effective than generic options.
Eric T.
My husband noticed before I did
About six weeks in my husband said I seemed more like myself - more energy in the evenings, less irritable, sleeping better. I hadn't even consciously registered how much had changed until he said it.
Amara S.
Personalized for you
Not sure if Melatonin SR is right for you?
Take our 2-minute Health Assessment and let our AI build your personalized stack — every supplement chosen for your specific goals.
Take the Health AssessmentProduct images are for illustrative purposes and may not represent actual packaging.
