The LURA team
Formulation and scientific documentation
Why you can't fall asleep,and why melatonin isn't the answer
You're tossing in bed. Your brain is replaying tomorrow's to-do list. The body is tired, but the nervous system is on alert. Sound familiar? The problem isn't a lack of melatonin, it's the cortisol that stays high in the evening.
What's actuallykeeping you awake
Melatonin tells the brain "it's night now". But if your cortisol is high, and under chronic stress it is, melatonin can't override it. That's why you fall asleep for 20 minutes, then wake up at 3 am.
For women the problem is double: cortisol rises from stress, and progesterone (which helps sleep) drops in the luteal phase. The result, insomnia right before your cycle, every month.
Most sleep supplements act on the signal, not the cause. Melatonin is a hormone — it tells the brain "it's night", but it doesn't touch cortisol. Valerian has weak and inconsistent study data. And the herbs in one "sleep tea" bag are several times below the studied doses.
Three ingredients, three mechanisms,specific doses
Magnesium bisglycinate, 670 mg
The bisglycinate form is gentler on the stomach (unlike magnesium oxide). Magnesium contributes to the normal function of the nervous system and to the reduction of tiredness and fatigue — authorised EU claims. Abbasi et al. (2012): 500 mg of magnesium over 8 weeks significantly improved the ISI score (insomnia severity index) vs. placebo.
L-theanine, 200 mg
An amino acid from green tea. At 200 mg it increases alpha waves in the brain for 30–40 minutes (Nobre et al., 2008), the "calm but awake" state that precedes falling asleep. Doesn't cause drowsiness, you can read or talk, but the brain gradually "shuts down" on its own.
Ashwagandha, 300 mg (root extract)
It doesn't act overnight. In a clinical study (Salve et al., Cureus, 2019, 60 participants), 600 mg of ashwagandha daily lowered serum cortisol by 32.6% over 8 weeks. In Corti-Glow, 300 mg per sachet — half the studied dose, for long-term evening use. The effect in the study was measured after 8 weeks of daily intake — which is why we treat ashwagandha as a long-horizon ingredient, not a quick switch.
Corti-Glow contains 4 more ingredients (L-Glycine 2000 mg, myo-inositol 2000 mg, choline bitartrate 250 mg, vitamin B6 1.4 mg), more on the science page.
Comparison:what works and what doesn't
| Corti-Glow | Melatonin | Sleep tea | |
|---|---|---|---|
| Contains an ingredient studied for cortisol | Yes, 300 mg ashwagandha | No | No |
| Ingredients with a fast mechanism of action | Yes, magnesium + L-theanine | Yes | Minimal |
| Hormone in the composition | No | Yes | No |
| Morning grogginess | No | Often | No |
| Ingredients with clinical studies | Yes (PubMed, doses on the label) | Yes | Rarely |
Frequently askedquestions about sleep supplements
Does Corti-Glow contain melatonin?
No. Corti-Glow works without melatonin. Instead of artificially "switching off" the brain, the composition is built around the evening moment. Magnesium contributes to the normal function of the nervous system. For ashwagandha there's a study (Salve et al., Cureus, 2019): 600 mg daily for 8 weeks lowered serum cortisol by 32.6%; in the sachet we use 300 mg for evening use.
How quickly will I notice an effect on sleep?
Magnesium contributes to normal nervous-system function and to the reduction of tiredness — those are the authorised EU claims. For ashwagandha the data covers a longer horizon: in the study (Salve et al., Cureus, 2019) the 32.6% drop in serum cortisol was measured after 8 weeks of taking 600 mg daily.
Can I take it if I'm on other sleep medication?
Magnesium and L-theanine rarely interact with medication, but ashwagandha can amplify sedatives. So before combining — ask your doctor.
Is it suitable for men?
The formula is designed for women — the doses and composition follow the female monthly cycle. Men can take it, but there are better-fitting options for them.
Will it make me groggy in the morning?
The composition contains no hormones — unlike melatonin, which leaves some people with morning "fog". In the Nobre et al. (2008) study, 200 mg of L-theanine is associated with a "calm but awake" profile, without drowsiness.