Sleep Complex — Magnesium, Theanine & Saffron
Premium sleep formula: magnesium glycinate + Suntheanine® + Affron® saffron. Non-habit forming, non-melatonin.
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- Free UK delivery over £30
- 14-day hassle-free returns
- Secure checkout, audit-logged
- Manually compliance-reviewed
Order dispatched, tracking info sent. Most customers take their first dose the day it arrives.
Research shows it takes ~14 days to anchor a new habit. By now, most customers have found their ideal time of day.
At 8 weeks, customers report the strongest improvements. Consistency is everything with nutritional supplements.
Over 90% of Medibro subscribers are still on the same product at 3 months — the clearest signal a supplement is working.
Three clinically evidenced ingredients: magnesium glycinate promotes GABA activation; Suntheanine® L-theanine increases alpha brain waves; Affron® saffron (28mg) improves sleep quality per 2020 RCT. No melatonin — safe for long-term nightly use.
Benefits
- ✓Sleep onset
- ✓Sleep quality
- ✓Anxiety reduction
- ✓Non-habit-forming
Complete your stack
✨What customers say
From 20 reviews★ 4.9Customers love the effective combination of ingredients, particularly the magnesium, L-theanine, and saffron, which have led to significant improvements in sleep quality and reduced daytime anxiety.
Some customers mention that the product can be slightly expensive and that it may take 2-3 weeks to notice significant effects.
It's best for individuals struggling with insomnia, shift workers needing to reset their sleep patterns, and those looking for a non-addictive sleep solution.
Customer reviews
- ★★★★★Mark R.18/05/2026Genuinely life-changing for sleep
Was sceptical given I'd tried melatonin and valerian before with limited success. Two weeks in and I'm sleeping 7–8 hours solidly. The difference in my daytime energy is remarkable.
- ★★★★★Deborah C.Verified buyer14/05/2026Recommended to my whole book club
Four of us suffering poor sleep. All tried this at the same time. All four had significant improvement within 3 weeks. One friend who was most sceptical had the most dramatic result. Remarkable product.
- ★★★★★Alison B.Verified buyer13/05/2026Calmer through the day too
Taking these at bedtime and noticed my daytime anxiety is also reduced. The theanine and saffron carry over into the next day. Sleep and anxiety both improved with one supplement. Remarkable formula.
- ★★★★★Tom F.20/04/2026Game changer for shift workers
As someone who works rotating shifts, quality sleep has always been difficult. This has been the most effective supplement I've found for resetting my body clock. Highly recommend.
- ★★★★★Sarah A.14/04/2026Finally sleeping through the night
I've struggled with broken sleep for years and tried a lot of different supplements. This blend — the magnesium, L-theanine and saffron together — actually works. I fall asleep faster and wake up properly rested for the first time in ages.
- ★★★★★Jennifer C.Verified buyer10/04/2026Husband convinced me to try it
Husband bought this for himself after poor sleep, then I tried it. We're both now regular customers. Genuinely effective without any groggy morning feeling.
- ★★★★★Nicola F.Verified buyer06/04/2026Finally sleeping through the night
Insomniac for 3 years. Tried melatonin (made me groggy), Nytol (became dependent), CBD (did nothing). This is the first natural supplement that's genuinely worked. Fall asleep faster and don't wake at 3am. Life changing.
- ★★★★★Mark V.Verified buyer01/04/2026Consistent quality sleep at last
Used to rate my sleep 3 out of 10. Now consistently 7 to 8. Wake up actually refreshed. The combination of ingredients is scientifically sophisticated. This is not a placebo effect.
- ★★★★★Claire N.03/03/2026Calm, deep, restful sleep
Takes about 30 minutes to kick in. I take it 45 mins before bed and by the time I hit the pillow I feel genuinely relaxed. No grogginess the next morning either — that was my biggest fear.
- ★★★★★David K.Verified buyer26/02/2026Non-addictive sleep solution
The fact this is non-habit forming is huge. My GP was happy for me to try this and said the combination of glycinate magnesium + theanine + saffron is evidence-based. Two capsules 45 min before bed and I'm out like a light.
- ★★★★★Tom A.Verified buyer14/02/2026Night shift worker approved
Rotating shifts make sleep incredibly difficult. This supplement helps me fall asleep at non-standard times and achieve better quality sleep even in daytime. The magnesium glycinate is key for off-pattern sleep.
- ★★★★★Simon T.Verified buyer27/01/2026Better than prescription sleep meds
Consultant agreed to let me try this before prescribing temazepam. Three-way mechanism of action is more comprehensive than any single pharmaceutical. Sleep dramatically improved in 2 weeks. Not going near benzos now.
- ★★★★★Rachel H.Verified buyer10/01/2026Took it based on the reviews here
Read all the reviews and decided to try despite being sceptical of supplements. 4 weeks in and the reviews are completely accurate. Sleep is deeper, more restorative, and I wake up feeling rested. Legitimately excellent.
- ★★★★☆Helen W.Verified buyer30/12/2025Works well, slightly expensive
Genuinely improved my sleep quality. The saffron extract was the ingredient I was most sceptical about but the research is solid. Only 4 stars because of price — it adds up over months.
- ★★★★★Marcus A.20/12/2025Best sleep supplement out there
Tested this against other leading sleep supplements. Nothing else has worked as consistently as this triple combination. The Affron saffron in particular seems to make a real difference.
- ★★★★☆Frances P.15/12/2025Good but takes 2-3 weeks
No effect for the first 10 days. Then gradual but consistent improvement. By week 3 sleeping noticeably better. The slow onset suggests it is working through proper physiological pathways rather than sedating. Quality product.
- ★★★★★Gemma W.Verified buyer02/12/2025The saffron ingredient is the game changer
Sceptical about saffron but the Affron extract has 20 plus clinical trials. The mood-stabilising and sleep-improving effects are real. Combined with the magnesium glycinate and theanine this is the ultimate sleep formula.
- ★★★★★Henry D.Verified buyer20/11/2025Non-addictive, no hangover
GP recommended trying non-habit-forming sleep supplements first. This triple formula was his suggestion. Works as well as the low-dose zopiclone I was on, without dependency risk or morning grogginess.
- ★★★★★Patricia O.Verified buyer25/10/202510 years insomnia finally resolved
Decade of poor sleep trying every approach. This combination works on multiple pathways simultaneously. Glycinate magnesium for relaxation, theanine for calm, and saffron for mood. 3 weeks in and sleeping through consistently.
- ★★★★★Colin F.Verified buyer19/10/2025Anxiety-driven insomnia resolved
Anxiety causing hyperarousal at bedtime. L-theanine calms without sedation, magnesium glycinate supports GABA signalling, saffron regulates mood. The anxiety is quieter and sleep comes naturally. Life changing.
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