“A new category of living supplements.”
Serotonics®
A daily formula for deeper, more restorative sleep — helping you fall asleep more easily, stay asleep through the night, and wake feeling restored. Support your natural sleep cycle with O-044® Serotonics, a new approach to better nights.
- 30-Day Money-Back Guarantee -
$79.99
/ 30-day supply
“A new category of living supplements.”
“A European wellness phenomenon.”
“Second fastest-growing company in Central Europe.”
“Millions sold across Europe — and growing.”
“With over 500,000 customers this early stage biotech is expanding to the U.S.”
“A European wellness phenomenon.”
“Second fastest-growing company in Central Europe.”
“A new approach to everyday wellbeing.”
“One of the fastest-growing companies in Europe.”
“A wellness phenomenon.”
“Millions sold — and growing.”
“With over 500,000 customers, this startup is expanding to the U.S.”
“A new approach to everyday wellbeing.”
“One of the fastest-growing companies in Europe.”
“A wellness phenomenon.”
“Millions sold — and growing.”
“With over 500,000 customers, this startup is expanding to the U.S.”
Engineering Sleepiness
At tbn. labs we cultivate living bacteria to support the biology of a better sleep.
Serotonics® are helping 50,000+ people with their sleep.
You, too, can start sleeping better again.
4.5
1259 Reviews
94%
of respondents would recommend this product
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Questions?
We're here to help.
Most people notice initial changes within the first 1–2 weeks, though optimal results typically emerge after 4–6 weeks of consistent daily use. As long as you continue your daily intake, those beneficial Serotonics are doing their work inside to program, sustain, and enhance your sleep. Product is cultivated for consistent, long-term support rather than immediate stimulation or sedation.
Both — but it goes beyond surface-level stress. Serotonics® are designed for an overstimulated nervous system — when your mind doesn’t fully switch off, sleep isn’t fully restorative, and there’s a constant underlying tension. It works at the level where imbalance begins — before it becomes something clinical.
No, just happier. Serotonics® supports the gut–brain pathways behind mood, stress, and sleep — helping you feel calmer, lighter, and more emotionally balanced. Less tension. More ease. More joy.
