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Sereniser
Details
The Sereniser combines clinically studied ingredients such as Safr’Inside, Holixer, Serezin, L-theanine, magnesium bisglycinate and vitamin B6 to aid the natural sleep cycle , support cortisol regulation and promote deep, restorative sleep.
- Fall asleep faster with a calm body and a clear mind.
- Sleep through the night with fewer interruptions.
- Stabilise the sleep cycle and wake up refreshed.
- Start the day feeling refreshed and focused.
93% reported overall better sleep quality*
2× easier to wake up in the morning*
37% experienced reduced stress and lower cortisol levels after 8 weeks**
4 weeks for significantly improved sleep quality***
* PLT Health, 2023 (Serezin™ clinical study).
** Frontiers in Nutrition, 2022 (Holixer™ clinical study).
*** Lang et al., medRxiv, 2025 (Safr’Inside™ clinical study).
Product characteristics
Ingredients
Green tea extract 333 mg, of which L-theanine 200 mg, boswellia and ginger extract blend (Serezin™) 300 mg, Tulsi extract (Holixer™) 250 mg, magnesium (from magnesium bisglycinate) 56.25 mg, saffron extract (Safr’Inside™) 30 mg, vitamin B6 (pyridoxal-5-phosphate) 1.4 mg
How to use
- Take 2 capsules with water about 1–2 hours before going to bed.
- If you are sensitive to food supplements, start with 1 capsule for a few nights and adjust the amount as required.

