Slumber Review 2026
Reviewed August 7, 2026 · Dietary supplements including magnesium and cannabinoid (CBN) products. Not medication and not a weight-loss treatment.
Visit Slumber WebsiteOverview
Slumber is a sleep supplement brand built primarily around CBN, a minor cannabinoid marketed for sleep, with magnesium products alongside. It sells no weight-loss treatment and is relevant here only as an adjunct — but one product in the range is genuinely useful for people on GLP-1 medication, and it is not the one the brand leads with. Magnesium glycinate, at $29 for capsules, matters because constipation is among the most common GLP-1 side effects. These medications slow gastric emptying and reduce food and fluid intake, and the result for many patients is sluggish bowels. Magnesium is a well-established and inexpensive approach to that problem, and glycinate is a gentler, better-tolerated form than the oxide sold in most drugstores. That it also has a reasonable case for sleep makes it a sensible dual-purpose purchase. The CBN products are a different proposition. CBN is marketed heavily for sleep across the supplement industry, but the human evidence supporting it is limited — much of the enthusiasm rests on preclinical work and consumer reporting rather than controlled trials. At $60 for gummies against $29 for magnesium with better support behind it, the value comparison is not favourable. Bundles at $126.75 are a steep way in for a category this speculative.
Medications Offered
Brand-name or compounded: Dietary supplements including magnesium and cannabinoid (CBN) products. Not medication and not a weight-loss treatment.
- Magnesium Glycinate Capsules — $29, the most directly useful product here
- Night Lytes magnesium powder for sleep — $60
- Pure Sleep fast-acting CBN gummies — $60
- Pure CBN Sleep Bundle and Full Spectrum Sleep Bundle — $126.75 each
- Satin sleep eye mask — $14.99
- No prescription products and no weight-loss medication
Consultation Process
Choose a product
Slumber sells direct to consumers with no clinician, assessment or prescription involved. Products are organised around sleep.
Decide between magnesium and cannabinoid
The magnesium products stand on their own merits and are cheaper. The CBN products rest on a thinner evidence base. If constipation as well as sleep is your issue, magnesium addresses both.
Order
Individual products from $14.99; bundles at $126.75. Delivery and subscription terms were not published on the pages we reviewed.
Eligibility
- Sold as general dietary supplements to adults
- Not a treatment for insomnia, constipation or any medical condition
- Cannabinoid products are not suitable in pregnancy or breastfeeding and may interact with medication
- Anyone with kidney disease should take medical advice before magnesium supplementation
- No prescription or assessment required
Provider Involvement
None. This is a retail supplement brand with no clinical service. If constipation on a GLP-1 is severe or persistent, or if you have significant sleep problems, those belong with the clinician managing your treatment — persistent constipation occasionally signals something requiring attention, and sleep problems in this population sometimes have a specific medical cause.
Lab Requirements
None offered or required.
Pharmacy Fulfillment
Not applicable — retail dietary supplements.
Shipping Frequency
Not published on the pages we reviewed.
Membership Fees vs. Medication Fees
Membership fees
None. Products bought individually or in bundles.
Medication fees
- Magnesium Glycinate Capsules: $29
- Night Lytes magnesium powder: $60
- Pure Sleep CBN gummies: $60
- Sleep bundles: $126.75
- Satin sleep eye mask: $14.99
Cancellation & Refund Policy
Cancellation
Not published on the pages we reviewed. Confirm subscription terms if you enrol in one.
Refunds
Not published on the pages we reviewed.
Insurance
Not applicable.
HSA / FSA
Not stated. Dietary supplements are generally not HSA/FSA eligible without a letter of medical necessity.
See our GLP-1 insurance and HSA/FSA guide for how reimbursement works in practice.
Support Services
- Focused sleep-oriented product range
- Both capsule and powder magnesium formats
- Non-supplement sleep accessories
State Availability
Not published. Cannabinoid product availability can vary by state — confirm before ordering CBN products.
Pros
- Sells magnesium glycinate at $29, which is directly useful — constipation is a very common GLP-1 side effect
- Magnesium powder and capsule formats, so you can pick what suits reduced appetite
- Transparent product-level pricing from $14.99 to $126.75
- Non-cannabinoid options available, so you are not forced into CBN to get magnesium
- Focused catalogue built around one problem rather than a sprawling wellness range
Cons
- CBN is the brand's headline ingredient and its evidence for sleep in humans is limited
- $60 for CBN gummies is expensive against magnesium at $29 with better support
- Bundles at $126.75 are a steep entry point
- Not a treatment for anything; no clinician involved
- Cannabinoid products may interact with medication and are not suitable for everyone
- Sleep problems on a GLP-1 can have medical causes a supplement will not address
Who Slumber May Be Best For
- GLP-1 patients dealing with constipation who want a well-tolerated magnesium form
- People wanting magnesium for sleep and bowel regularity in one purchase
Limitations
- CBN, its headline ingredient, has limited human evidence
- CBN products cost more than better-supported magnesium
- Bundles at $126.75 are a steep entry
- Not a treatment; cannabinoids carry interaction and suitability considerations
Reputation & Trust
Slumber is a focused, honestly presented sleep brand whose most useful product for this audience is the one it does not lead with. Magnesium glycinate at $29 is a legitimate, inexpensive and well-tolerated option for constipation, which is among the most common and most under-discussed GLP-1 side effects — these medications slow gastric emptying and reduce food and fluid intake, and sluggish bowels follow predictably. Glycinate is a gentler form than the magnesium oxide sold in most pharmacies, and it has a reasonable secondary case for sleep, making it a sensible dual-purpose buy. The brand's headline ingredient is a weaker proposition. CBN has become the supplement industry's sleep ingredient of the moment, but the human clinical evidence for it is limited, resting substantially on preclinical work and consumer reports rather than controlled trials. At $60 for gummies versus $29 for magnesium, you are paying more for less support. Cannabinoid products also carry considerations magnesium does not — they are unsuitable in pregnancy, can interact with other medication, and availability varies by state. Pricing across the range is transparent and the catalogue is refreshingly narrow rather than a sprawling wellness store, both of which count in its favour.
What Makes Slumber Different
- Magnesium glycinate at $29, directly relevant to GLP-1 constipation
- Both capsule and powder magnesium formats
- Focused catalogue rather than a sprawling wellness range
- Transparent product-level pricing
Our Verdict
Slumber earns 3/5, and the useful advice is to buy the product it does not advertise most loudly. Its magnesium glycinate at $29 is genuinely relevant to anyone on a GLP-1: constipation is among the most common side effects of these medications, which slow gastric emptying and cut food and fluid intake, and magnesium is a cheap, well-established response — with glycinate being a gentler form than the oxide most pharmacies stock. That it also has a reasonable case for sleep makes it sensible value. The brand's headline ingredient is a weaker bet. CBN has become the supplement industry's sleep ingredient of choice, but the human clinical evidence behind it is limited, and $60 for CBN gummies against $29 for better-supported magnesium is a poor trade. The $126.75 bundles are a steep entry into a category this speculative. Credit where due: the catalogue is focused rather than sprawling, pricing is transparent at product level, and non-cannabinoid options mean you are not forced into CBN to get magnesium. Buy the magnesium, skip the bundle, and if your sleep problem might be apnoea, see a clinician rather than a supplement company.
Alternatives to Slumber
Cheaper entry into sleep and gut supplements at $14.99 per product.
If micronutrient adequacy rather than sleep is the concern, and it accepts HSA/FSA.
Protein and creatine address the larger nutritional gap on a GLP-1.
Persistent GLP-1 side effects are a dose and titration question — a good provider matters more than a supplement.
Compare more options on our best online GLP-1 providers and cheapest GLP-1 programs pages.
Frequently Asked Questions
Is constipation common on a GLP-1?
Very. These medications slow gastric emptying and substantially reduce food and fluid intake, and constipation is among the most frequently reported side effects alongside nausea. It is also one of the more manageable ones: adequate fluid, dietary fibre and, where appropriate, magnesium are the usual first steps. If it is severe, persistent or accompanied by significant abdominal pain, contact your prescriber rather than self-managing — this is informational only, not medical advice.
Which magnesium is best for that?
Magnesium glycinate, which Slumber sells at $29, is generally better tolerated than the magnesium oxide sold cheaply in most pharmacies, and it has a reasonable secondary case for sleep. Magnesium citrate has a stronger laxative effect if constipation is the main issue. Anyone with kidney disease should take medical advice before supplementing magnesium at all, since impaired kidneys clear it poorly.
Does CBN actually help you sleep?
The evidence is thinner than the marketing implies. CBN is a minor cannabinoid that has become a popular sleep ingredient, but human clinical trial evidence supporting it is limited — much of the case rests on preclinical work and consumer reporting. At $60 for gummies against $29 for magnesium with better support behind it, we would start with the magnesium. Cannabinoid products are also unsuitable in pregnancy, can interact with other medications, and availability varies by state.
Will this help me sleep better while losing weight?
Possibly, but check the cause first. Sleep disruption is common during significant weight change, and poor sleep in turn affects appetite regulation. But sleep problems in people with obesity sometimes reflect obstructive sleep apnoea, which is a medical diagnosis needing a sleep study — and notably, tirzepatide is FDA-approved for moderate-to-severe OSA in adults with obesity. A supplement will not touch apnoea. Raise persistent sleep problems with your clinician.
Important Notes & Warnings
- This review is informational only and is not medical advice. Discuss persistent side effects with the clinician managing your treatment.
- These are dietary supplements, NOT medication. Slumber sells no weight-loss treatment.
- Anyone with kidney disease should seek medical advice before magnesium supplementation — impaired kidneys clear magnesium poorly.
- Cannabinoid (CBN) products are not suitable in pregnancy or breastfeeding, may interact with other medication, and availability varies by state.
- Human clinical evidence for CBN as a sleep aid is limited.
- Severe or persistent constipation, or constipation with significant abdominal pain, requires medical attention rather than self-management.
- Sleep problems in people with obesity may reflect obstructive sleep apnoea, which needs a sleep study. Tirzepatide is FDA-approved for moderate-to-severe OSA in adults with obesity.
- Tell your prescriber about every supplement you take alongside prescription medication.
Sources
- Slumber product catalogue and pricing, slumbercbn.com (accessed 7 August 2026)
- FDA approval of tirzepatide for moderate-to-severe obstructive sleep apnoea in adults with obesity
Medical Disclaimer
This review is for informational purposes only and is not medical advice, a diagnosis, or a treatment recommendation. GLP-1 medications are prescription drugs with real risks and contraindications. Only a licensed clinician who has evaluated you can decide whether any medication is appropriate. Talk to a healthcare provider before starting, changing, or stopping any treatment, and call emergency services for urgent symptoms.
Facts in this review were compiled from the provider's own public website and public search results as of August 7, 2026. Prices, medication availability, pharmacy partners, and policies change frequently and vary by state — verify everything directly with the provider before purchasing.
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