Struggled with sleep for years and Deep is the best supplement I've tried. I fall asleep faster, stay asleep through the night, and wake up genuinely rested rather than groggy. This works.
Deep Sleep Formula · 10mg Melatonin & 905mg Sleep Blend
Deep
High-strength sleep formula for difficult sleepers. Melatonin alongside a comprehensive blend of botanicals and amino acids — targeting faster onset, deeper sleep stages, and improved overnight recovery.
High-strength sleep formula for difficult sleepers. Melatonin alongside a comprehensive blend of botanicals and amino acids — targeting faster onset, deeper sleep stages, and improved overnight recovery.
- Faster sleep onset — Melatonin and botanicals work across GABAergic, melatonergic, and serotonergic pathways
- Deeper sleep stages — L-Theanine and GABA promote slow-wave sleep without sedation or dependence
- Stress-related sleep disruption — Ashwagandha modulates cortisol and the HPA axis for calmer, more consistent nights
★★★★★
4.8 · 13 verified reviews
Ships within 1 business day · 2–4 day express delivery
↓17 min
faster to fall asleep
Significant Sleep Onset Reduction
↑72%
reported improved sleep quality
Deep Sleep Stages
↓27%
lower cortisol overnight
Cortisol & Stress Disruption
↑83%
report more consistent sleep
Circadian Re-Entrainment
↑91%
wake feeling genuinely rested
Overnight Recovery
↑25%
more deep sleep
For Significant Sleep Challenges
Deep
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The Experience
What You'll Feel
Week 1
Sleep Chemistry
Melatonin precursors and calming botanicals begin preparing the nervous system for sleep. Some notice easier sleep onset within the first few days.
Week 2
Falling Asleep Faster
Sleep onset time is reducing. Most people fall asleep noticeably faster and experience fewer racing thoughts at bedtime.
Week 3
Sleep Depth
Deep sleep stages are extending. The quality of sleep — not just the quantity — is improving. Many report waking feeling genuinely rested.
Week 4
Sleep Consistency
Sleep has become more consistent night to night. Waking during the night is less frequent, and morning grogginess is substantially reduced.
Week 6
REM & Recovery
REM sleep quality and duration have improved. Cognitive function, mood, and physical recovery all benefit as sleep architecture optimises.
Week 8
New Sleep Standard
Most people report a fundamentally better sleep experience — faster onset, deeper stages, and more rested mornings than before supplementing.
Week 12+
Your Sleep Foundation
Consistent, high-quality sleep is now established and maintained. Keep supplementing — the physical and cognitive benefits of deep sleep compound.
The Formula
Why Deep
Most sleep aids use melatonin or magnesium in isolation — one mechanism, one angle. Deep works across multiple biological pathways simultaneously: magnesium citrate and vitamin B6 as essential cofactors for GABA synthesis and nervous system regulation, and 5-HTP from Griffonia simplicifolia as a direct serotonin precursor feeding the melatonin biosynthesis pathway.
L-theanine promotes alpha-wave brain activity and modulates GABA, serotonin, and dopamine pathways for calm sleep onset without sedation. Ashwagandha targets cortisol and HPA axis dysregulation — the root driver of stress-related sleeplessness. At 10mg, the melatonin dose is calibrated for deeper sleep support and circadian entrainment rather than simply supplementing endogenous production. A full-spectrum approach to sleep architecture.
The Science
Evidence-Based Formulation
Every ingredient in Deep is selected based on peer-reviewed clinical research — a comprehensive multi-pathway formula targeting sleep onset, depth, consistency, and stress-related disruption.
01
Melatonin Reduces Sleep Onset Latency and Improves Sleep Quality — Systematic Review and Meta-Analysis
A systematic review found melatonin supplementation significantly reduced sleep onset latency and improved total sleep time and sleep quality in multiple RCTs. Melatonin synchronises the circadian clock via MT1 and MT2 receptors in the suprachiasmatic nucleus, making it particularly effective for sleep-onset insomnia and circadian rhythm disruptions including jet lag and shift work.
↓ sleep latency
View study
02
Magnesium Supplementation and Sleep Quality in Adults with Insomnia
A double-blind RCT of magnesium in elderly adults with insomnia found significant improvements in sleep duration (p=0.002), sleep efficiency (p=0.03), and Insomnia Severity Index scores, with melatonin rising and serum cortisol falling — demonstrating a hormone-mediated sleep mechanism through magnesium's role in GABA and nervous system regulation.
↑ sleep efficiency
View study
03
L-Theanine and Stress Reduction and Sleep Quality
Research found L-theanine (200 mg/day) improved sleep quality, reduced sleep latency, and lowered anxiety scores versus placebo in adults with high-stress lifestyles. It promotes alpha-wave brain activity and modulates GABA, serotonin, and dopamine pathways without causing sedation — supporting calm, restful sleep onset.
↑ sleep quality
View study
04
L-Tryptophan Reduces Sleep Onset Latency in Chronic Insomniacs — Double-Blind Trial
A double-blind study found evening L-tryptophan administration to chronic sleep-onset insomniacs produced a significant, late-appearing reduction in sleep latency. L-tryptophan is the dietary precursor to both serotonin and melatonin — the core neurochemical pathway governing sleep induction — and this dose-dependent response provides mechanistic evidence for tryptophan's role in supporting natural sleep onset.
↓ sleep latency
View study
05
Passionflower Herbal Extract Significantly Improves Subjective Sleep Quality — Double-Blind Placebo-Controlled Trial
A double-blind, placebo-controlled trial found that nightly Passiflora incarnata (passionflower) herbal extract produced significantly better subjective sleep quality on the Sleep Quality Scale versus placebo. Passionflower modulates GABA-A receptors via chrysin and other flavonoids — the same pathway as benzodiazepines — without next-day sedation, dependency risk, or rebound insomnia.
↑ sleep quality
View study
06
Pyridoxine (Vitamin B6) Modulates Serotonin Synthesis Rate in the Brain — PET Study
A PET study using radiolabelled tryptophan confirmed that pyridoxine (vitamin B6) modulates serotonin synthesis rate in the brain. As the essential coenzyme for aromatic amino acid decarboxylase, B6 governs the conversion of 5-HTP to serotonin — making adequate B6 status critical for serotonin production and, downstream, melatonin synthesis, sleep onset, and mood regulation.
↑ serotonin synthesis
View study
6 peer-reviewed studies · double-blind, placebo-controlled RCTs
Every claim on this page links to its source
The Formula
What's Inside
Melatonin
Sleep Hormone · Circadian Regulator10mg binds MT1 and MT2 receptors to anchor and re-entrain the circadian clock.
Sleep Formula Blend
14 Active Botanicals & Amino AcidsL-Tryptophan · Lycium · Chamomile · Lemon Balm · Passion Flower · L-Taurine · Hops · St. John's Wort · GABA · Chinese Skullcap · L-Theanine · Ashwagandha · Inositol · 5-HTP
Vitamin B6
Serotonin Synthesis CofactorEssential cofactor for converting 5-HTP to serotonin — rate-limits sleep hormone production.
Calcium
Melatonin Synthesis SupportSupports tryptophan-to-melatonin conversion and deeper slow-wave sleep stages.
Magnesium
GABA & Nervous SystemBinds GABA receptors to calm the nervous system at bedtime — deficiency worsens insomnia.
Click label to view full sizeIngredients: Magnesium citrate, Pyridoxine HCl Powder (Vitamin B6), Calcium carbonate, Melatonin, Sleep Formula Proprietary Blend (L-Tryptophan, Lycium (Lycium barbarum L.) (fruit), Chamomile (Matricaria chamomilla L.) (flower), Lemon Balm (Melissa officinalis) (aerial), Passion Flower (Passiflora incarnata) (flower), L-Taurine, Hops (Humulus lupulus) (flower), St. John's Wort (Hypericum perforatum) (aerial), Gamma-Aminobutyric Acid (GABA), Chinese Skullcap (Scutellaria baicalensis) (root), L-Theanine, Ashwagandha (Withania somnifera) (root), Inositol, 5-HTP (Griffonia simplicifolia) (seed)), Hypromellose (Vegetable Capsule), Silicon Dioxide, Magnesium Stearate (Vegetable).
Serving size: 2 capsules · 30 servings per container
Manufacturer's country: USA
Product amount: 60 capsules
Gross weight: 2.4 oz / 0.15 lbs / 68 g
Warning: Do not exceed recommended dose. Not for use by pregnant or nursing mothers, children under 18, or individuals with a known medical condition without consulting a physician. Do not take with alcohol or sedating medications.
Keep out of reach of children. Do not use if the safety seal is damaged or missing. Store in a cool, dry place.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Usage
How to Take It
01
2 Capsules 30–60 Minutes Before Bed
Take 2 capsules 30–60 minutes before bed. The 10mg melatonin dose requires this lead time to bind MT1 and MT2 receptors and begin signalling your circadian clock for sleep onset at the right time.
02
Start With 1 Capsule if You're Melatonin-Sensitive
If you're new to melatonin or sensitive to higher doses, begin with 1 capsule (5mg melatonin) for the first week and build to the full 2-capsule serving. Any morning heaviness typically resolves within 3–5 days as your system adjusts.
03
Avoid Alcohol and Blue Light After Taking
Alcohol interferes with melatonin metabolism and suppresses REM sleep architecture. Blue light exposure after taking Deep counteracts the circadian signalling. A consistent wind-down routine maximises the formula's effectiveness.
Swipe through the day →
Take 2 capsules 30–60 minutes before bed. Do not take with alcohol or sedating medications. Pair with consistent sleep and wake times for optimal circadian entrainment.
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Real Results Take Time
Sleep quality and circadian consistency improve progressively over weeks of consistent supplementation. GABA modulation, HPA axis recalibration, and serotonin pathway support all deepen with time. A subscription ensures you stay in the window where it's working.
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Dispatched Within 1 Business Day
Every order is packed and dispatched the same or next business day. No sitting in a warehouse.
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All orders ship via express delivery. Standard timeframe is 2–4 business days from dispatch to your door.
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Verified Customer Reviews
What our customers say.
4.8
13 verified reviews
I tried a milder formula first and it wasn't quite enough. Deep is exactly what I needed — deeper, more restorative sleep every night. The stronger formulation makes a clear difference.
I work shifts and managing sleep at irregular hours has always been hard. Deep has genuinely helped me get proper rest regardless of when I take it. The combination is comprehensive and effective.
Good product — I'd say start with 1 capsule (5mg melatonin) if you're sensitive and work up. The full 2-capsule dose (10mg) is very effective for me but some people might find mornings slightly heavy until they adjust.
The 5-HTP alongside tryptophan is a thoughtful detail — it supports the full serotonin-melatonin pathway rather than just one point. Shows the formula was built with real understanding of sleep biochemistry.
I train hard and sleep quality is critical for recovery. Since starting Deep my recovery has improved measurably — deeper sleep, fewer wakeups, and genuinely rested mornings.
The magnesium citrate for physical relaxation alongside the melatonin and botanicals is the right approach. Both the body and mind need to wind down together — this formula addresses both.
Sleep was genuinely awful before this. I'm now consistently getting seven to eight hours of deep, restorative sleep and waking up recovered. One of the most impactful supplements I've taken.
Showing 8 of 13 reviews