Sleep, Calm & unwind
BKM Tranquil helps you get the deep, restorative sleep your body needs.
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Magnesium Glycinate: Supports muscle relaxation and reduces tiredness and fatigue.
Ashwagandha: Traditionally used to help manage stress and promote relaxation.
GABA: A neurotransmitter that helps calm the nervous system and improve sleep quality.
Chamomile: Known for its calming effects and ability to promote relaxation.
L-Theanine: An amino acid that promotes relaxation without drowsiness.
Lemon Balm Powder: Traditionally used to reduce anxiety and promote sleep.
Zinc: Supports overall health and immune function.
Safflower Extract: Rich in natural antioxidants.
L-Serine: Supports brain function and overall well-being.
Escolzia Powder: Traditionally used for its calming and sleep-promoting properties.
Vitamin B6: Supports energy production and overall health.
Consistency is key for a supplement routine.
Save 20% on each order.
Receive a metal container first, then refill bags monthly.
How to use?
Take 2 capsules in the evening, about 30-60 minutes before bedtime. Consistent use is recommended for the best results.
Food Supplement/Kosttillskott/Kosttillskudd
EN: 60 capsules, 30 doses/days
SE: 60 kapslar, 30 doser/dagar
Recommended daily dose/Rekommenderad daglig dos
EN: 2 capsules per day.
SE: 2 kapslar per dag.
Produkten bör inte användas som ersättning för en varierad kost. Den rekommenderade dagliga dosen bör inte överskridas. Förvaras oåtkomligt för små barn. Kosttillskott bör inte användas som ett alternativ till en balanserad och varierad kost samt en hälsosam livsstil.
Exclusive offers
Pair these essentials with your Tranquil and get a special discount.
Nasal Strips
Made in Sweden
GMP & HACCP certified
Cologne List® certified
30-day money-back guarantee
Made in Sweden
GMP & HACCP certified
Cologne List® certified
30-day money-back guarantee
More than a sleep aid
Where most sleep aids just knock you out, Tranquil is built as a full wind-down formula, calm, deep sleep and a clear morning, with no melatonin.
Tranquil targets deep and REM sleep, not just falling asleep, so you wake up genuinely rested.
Ashwagandha, GABA and L-theanine help quiet stress and ease the transition into sleep.
Magnesium glycinate and zinc support muscle relaxation and help reduce tiredness and fatigue.
Chamomile, lemon balm and California poppy, traditionally used to relax body and mind.
No melatonin and no next-morning grogginess, just steadier energy through the day.
Developed by Swedish former top athletes, GMP & HACCP and Cologne List® tested.
Built for every kind of bad night
Whatever's keeping you up, Tranquil is built to meet it, here's what people like you reported.
of users sleep through the night more often, with fewer 3 a.m. wake-ups.
of users said they fell asleep faster with a calmer, quieter head.
of users reported deeper, less interrupted sleep.
of users felt more rested and steadier through the day.
*Based on a survey of 24 BKM Tranquil customers, August 2026.
The sleep supplement built for deep, restorative rest, not just knocking you out.
Real reviews from BKM customers, rated 4.6★ across 36 Tranquil reviews.
A great addition to my recovery routine.
I've been using BKM Tranquil after long workdays and intense workouts, and it's become part of my evening routine. It helps me unwind, recover, and enjoy deeper, more restful sleep. I wake up feeling refreshed and ready for the next day.
Sky is the limit!
I use all of BKM products, they are part of my daily routine and help me push my body to its ultimate potential, whether it's recovering or handling double sessions per day. I could not recommend any other brand that delivers the same results and consistency. So grateful to be part of this amazing worldwide community.
Three weeks of 100% sleep score.
BKM has become a staple in my lifestyle, my routine, my preparation and my performance. As both a student and a professional sailor, I sometimes have to perform at my best even when I don't feel I have the capacity, BKM helps me every time. I'd never had three weeks straight of a perfect 100% sleep score on my Whoop until I tried Tranquil.
A game changer for my sleep and recovery.
Tranquil has been a game changer for my sleep and recovery. As an athlete, good sleep is essential, and Tranquil has become a natural part of my evening routine. I sleep better, recover better and wake up feeling more ready for the next day.
Products I genuinely trust every day.
BKM has become an essential part of my daily routine. Tranquil helps me relax and recover after long days, and each product supports a different part of my active lifestyle. I appreciate the quality of the ingredients, these are products I genuinely trust and enjoy using every day.
11 carefully selected ingredients, each chosen for their unique role in promoting deep, restorative sleep and helping your body unwind from daily stress.
Your evening ritual
One simple step before bed sets up the whole night, here’s what happens.
Before sleep
Wind down
Take Tranquil 30–60 min before bed. Ashwagandha & L-theanine help lower stress so you fall asleep faster.
During sleep
Go deeper
GABA, magnesium and soothing herbs support deep and REM sleep through the night.
The morning after
Wake restored
No melatonin hangover, wake up clear-headed and genuinely recovered.
Take 2 capsules in the evening, about 30–60 minutes before bedtime.
The Swedish competitors who rely on Tranquil to recover and perform.
Olympic Judoka
Swedish Olympic judoka. “If I can make myself 1% better, I’ll do it, BKM helps me optimise sleep, focus and recovery.”
Pro Hockey
HC Fribourg-Gottéron & Swedish national team. “With Tranquil I wake up fully rested, getting the deep sleep my body needs.”
#1 Padel, N. Europe
“It’s all about focus and rest between practice and matches. If you have high goals, you need high-quality help like BKM.”
The Nordic free dive champion Li Karlsén is the co-founder, maker, and user of all BKM supplements. Her history and experiences laid the foundation for BKM.
Many users notice a difference within the first couple of days of use. However, some ingredients provide their best results when taken consistently over time. For optimal benefits, we recommend using Tranquil daily for at least 2 weeks.
Yes, you can split the capsule. Simply open the capsule and mix the contents with your preferred food or beverage.
These supplements often work well with medications but could sometimes cause interactions. It is important to consult with your healthcare provider before use.
It is not recommended for children and pregnant or breastfeeding women to take this supplement. Please consult with your healthcare provider before use.
No!
BKM Tranquil does not contain melatonin. We focus on promoting relaxation and improving the quality of sleep using natural ingredients
*Terms and conditions apply. The guarantee is only valid for purchases made directly through BKM.health. Refunds will be processed according to our return policy, which may require proof of purchase and adherence to specific return instructions. Read full terms and conditions here
