Magnolia Bark
(Magnolia officinalis)
Helps lower cortisol and ease mental tension, supporting a calmer mood and a smoother transition into sleep.
REM Helps Me Sleep BETTER THAN EVER!
I’ve always struggled with winding down at night, especially after late training sessions — but REM changed that. Since I started using it, I’ve been falling asleep faster and waking up feeling actually rested. It’s not heavy or groggy like other sleep supplements I’ve tried. Just smooth, deep sleep that helps me recover and show up better the next day.
Hormone-Free, Deep Sleep & Recovery† / 60 Capsules
CERUS™ REM
$45.00
- Wake Up Refreshed: No melatonin, no grogginess.
- Better Recovery: Enhances REM and deep sleep.
- Easy to Use: Liquid dropper for quick absorption.
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Free shipping over $7530-day money-back guaranteeThird-party lab tested
REM is a sleep aid designed to help you wake up refreshed, without the grogginess associated with other sleep aids. Whether you're a hardworking parent, dedicated athlete, or weekend warrior, REM ensures you achieve the deep, restorative sleep needed to tackle daily challenges.
- Wake Up RefreshedUnlike traditional sleep aids that rely on melatonin, REM helps you wake up rejuvenated and alert, without any grogginess.
- Enhance RecoveryOur blend of Magnolia Bark, Ashwagandha, Reishi, Valerian Root, and Lavender promotes restful, uninterrupted sleep, enhancing REM and deep sleep phases for optimal recovery.
- Easy IntegrationREM’s liquid dropper form makes it simple to add to your nightly routine. The quick-absorbing formula starts working immediately.
- Athlete-Driven DesignDeveloped by a former CrossFit Games Athlete, REM is tailored to meet the specific sleep and recovery needs of high-performing individuals.
Take 2–4 mL approx. 60 minutes before bedtime as part of your nightly routine. For best results, use daily. Swish the liquid in your mouth for 5–10 seconds before swallowing, or mix with a small amount of water and consume.
What's inside
Scientifically-Backed Natural Ingredients
Better sleep with no chemicals, fillers, or melatonin.
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Reishi
(Ganoderma lucidum)An adaptogenic mushroom that supports stress resilience, immune function, and recovery, helping the body return to balance after intense training.
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Valerian Root
(Valeriana officinalis)A traditional sleep botanical that helps quiet racing thoughts, reduce sleep latency, and support uninterrupted rest.
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Lavender Bud
(Lavendula angustifolia)Calms the nervous system and promotes relaxation, helping ease tension and prepare the body for deeper, more restful sleep.
From the community
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FAQs
Frequently Asked Questions
REM is a fast-acting liquid sleep aid designed to help you fall asleep faster, stay asleep longer, and wake up genuinely refreshed — without grogginess. Unlike most sleep supplements on the market, it's completely melatonin-free, relying instead on a blend of calming, clinically supported herbs that work with your body's natural sleep cycle rather than overriding it. The liquid dropper format also means it absorbs quickly, so it kicks in faster than capsules or tablets.
Melatonin is effective for some people, but it can cause next-day grogginess, vivid dreams, and dependency-like patterns where the body relies on it to signal sleep. REM was built for athletes, parents, and high-performers who need to wake up sharp and ready — not hungover from their sleep aid. Instead of forcing the body into sleep with a hormone, REM uses adaptogens and calming herbs to lower stress, quiet the mind, and let natural sleep happen on its own.
REM is powered by five natural ingredients chosen to support every stage of restful sleep:
[SLI:] Magnolia Bark helps lower cortisol and ease mental tension before bed. Ashwagandha is an adaptogen that reduces stress and supports recovery. Reishi mushroom calms the nervous system and supports immune balance. Valerian Root is a traditional sleep botanical shown to reduce the time it takes to fall asleep. Lavender promotes deep relaxation and a more peaceful overall sleep experience.
Together, they enhance both REM and deep sleep phases, which is where real physical and mental recovery happens.
[SLI:] Magnolia Bark helps lower cortisol and ease mental tension before bed. Ashwagandha is an adaptogen that reduces stress and supports recovery. Reishi mushroom calms the nervous system and supports immune balance. Valerian Root is a traditional sleep botanical shown to reduce the time it takes to fall asleep. Lavender promotes deep relaxation and a more peaceful overall sleep experience.
Together, they enhance both REM and deep sleep phases, which is where real physical and mental recovery happens.
REM is built for anyone who struggles to wind down at night or wake up feeling fully recovered — dedicated athletes, hardworking parents, shift workers, late-night trainers, and weekend warriors. It was actually developed by a former CrossFit Games athlete with recovery in mind.
Take it about 20–30 minutes before bed using the included dropper. The liquid format absorbs quickly, so you'll feel calm and ready for sleep without waiting for a pill to dissolve. It's non-habit forming, so it's safe for nightly use or as needed on tough training days.
Take it about 20–30 minutes before bed using the included dropper. The liquid format absorbs quickly, so you'll feel calm and ready for sleep without waiting for a pill to dissolve. It's non-habit forming, so it's safe for nightly use or as needed on tough training days.
Yes. REM is Informed Sport certified, meaning it's third-party tested and free from banned substances — important for competitive athletes. It's made in the USA from natural, lab-tested ingredients with no melatonin and no synthetic stimulants. Cerus also backs it with a 30-day money-back guarantee.
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Cerus vs the rest
Built different. Backed by science.
| Nighttime Sleep Support |  | |
|---|---|---|
| Melatonin-Free | ||
| All-Natural Formula | ||
| Easy To Use | ||
| Hormone-Free | ||
| Designed For Athletes | ||
| 100% Money-Back Guarantee |
CERUS™ REM
Melatonin-Free
All-Natural Formula
Easy To Use
Hormone-Free
Designed For Athletes
100% Money-Back Guarantee
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All-Natural Formula
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