
Improve your energy, sleep quality & focus.
NIGHT POWDER
- The most clinically-backed ingredients for improving sleep, recovery and focus.
- Formulated by globally renowned sports scientists for elite athletes.
- Supports mental performance, immunity, energy and more.*
-
Smarter Sleep
88% of trialists reported improved sleep scores on their wearables
-
Unwind Easier
89% of trialists found it easier to calm their mind
-
Get More Done
91% of trialists reported improved productivity
-
Better Energy
86% of trialists felt more sustained energy



“An athlete cannot perform without quality sleep and recovery.”
America's Cup Winner

“Neither can the rest of us. I figured it's time to start living like they do.”
Performance People Podcast Host
-
3. Take one scoop or sachet.
-
2. Add 100ml of water to the line.
-
1. Shake for a few seconds. Drink.



CHOOSE YOUR STYLE









-
affron® SaffronFirst recorded benefits date to 2,300BC, used in a form with the strongest clinical evidence.
- Helps to support relaxation
- Backed by 28-day clinical studies
- Standardised extract for consistent potency
-
CherryPURE®Montmorency tart cherry powder is a nutritional marvel, rich in vital anthocyanins.
- Supports cellular recovery
- Helps reduce oxidative stress
- Widely studied in sports nutrition for recovery
-
L-GlycineThis versatile amino acid plays a role in the body’s repair and recovery systems.
- Premium-grade L-Glycine supplement
- Building block of proteins and peptides
- High-potency 3g serving

Trialed by real people.
In an independent 12 week study of NIGHT POWDER, participants reported sleep and performance improvements over time, including a rise in sleep scores on their tracking devices.
-
AFTER 1 WEEK73%
-
AFTER 4 WEEKS81%
-
AFTER 12 WEEKS88%
Tested in a bullshit-free environment.
-
“Normally when my alarm goes off I struggle to get going if I’m in sleep debt. Now I'm pinging first thing before coffee.”David CarrAmericas Cup Cyclor
-
“Juggling elite sport with a two-year-old in tow isn’t easy. Anything that helps my sleep and recovery is a game-changer.”Hannah MillsWomen's America's Cup Skipper
-
“NIGHT POWDER has produced a great improvement in sleep quality according to my Garmin. Apparently I am also less grumpy.”Nick HuttonEmirates GBR SailGP Grinder

Leading voices we listen to.
CBE, FRSB, FMedSci, FRS
University of Oxford
BPharm, MSc Nutr Med
Formulation consultant
PhD DSc FBASES FACSM OLY
Exercise Physiology Authority
CBE, FRSB, FMedSci, FRS
University of Oxford
BPharm, MSc Nutr Med
Formulation consultant
PhD DSc FBASES FACSM OLY
Exercise Physiology Authority
AWARD WINNER
‘“Forget chalky tablets and vague promises – ainslie + ainslie has produced the best sleep supplement on the market.”’
— GQ Magazine Sleep Awards, 2025

Performance People Podcast.
What’s the pull of sport?
In the end, it comes down to people and the stories they tell. Every week, we chat with high-performers from across the world of sport, on what makes them tick, the things they value most and the performance lessons we can all learn from.
Frequently asked questions.
Can NIGHT POWDER really work for me if it's designed for an athlete?
Absolutely. NIGHT POWDER supports relaxation and helps combat fatigue*, which is equally crucial for physical and mental recovery, whether you’re an elite athlete, busy professional or simply looking to improve your sleep and long-term health. Its powerful, evidence-backed ingredients like affron® Saffron, CherryPURE® Montmorency Tart Cherry, L-Glycine and Magnesium Citrate promote cellular recovery for all adults, regardless of your activity level, profession or lifestyle.
What is NIGHT POWDER’s USP against other supplements out there?
NIGHT POWDER’s USP lies in the people and thinking behind it. It was developed in elite sport which relies on innovation to maximise human performance, and central to which is how to support an individual’s sleep and recovery.
NIGHT POWDER combines three evidence-backed ingredients that work together synergistically, enhancing the body's natural relaxation processes while promoting cellular recovery and reducing inflammation and stress markers.
What does NIGHT POWDER taste like?
Cherry. During our 12-week independent trial, 93% of users said they liked the flavour of NIGHT POWDER after using it for the first three days and many provided additional positive comments on the taste and texture. Over the duration of the trial, 98% of users reported that NIGHT POWDER was easy to include in their routine.
What are the ingredients in NIGHT POWDER?
The NIGHT POWDER ingredients are: L-Glycine, Magnesium Citrate, Acidity Regulators (Citric Acid, Malic Acid), Natural Flavourings, CherryPURE® Montmorency Tart Cherry Powder, Chicory Root Fibre, Colour (Beetroot Red), affron® Saffron (Crocus Sativus L.), Sweetener (Steviol Glycosides from Stevia), Manganese Bisglycinate, Copper Bisglycinate.
How do I know NIGHT POWDER is a quality product?
We only use and work with the very best ingredients, materials, suppliers and partners. NIGHT POWDER has been carefully formulated following UK law and regulations in accordance with EFSA (European Food Safety Authority) guidelines.
We are extremely thorough and careful in our sourcing of evidence-backed ingredients from our ingredient producers. NIGHT POWDER is made by an Informed Sport manufacturer with expertise in sports nutrition and that holds itself to rigorous standards regarding product quality.
Informed Sport is a global quality assurance and supplement certification programme for sport supplements.
Products certified by Informed Sport undergo a rigorous pre-certification and post-certification process, before being declared free from any contaminated ingredients, and safe for athletes to use.
Can I take NIGHT POWDER alongside other supplements too?
You can, but please first evaluate combined levels if you’re taking NIGHT POWDER alongside other supplements. If you have any concerns, check with your GP or a healthcare professional.
When can I expect results from NIGHT POWDER?
NIGHT POWDER has been designed to provide both short- and long-term benefits. Some users report feeling more rested and rejuvenated after just one dose, many report benefits after a few days. In an independent 12-week trial of NIGHT POWDER, users reported a range of benefits which became more widespread over the 12 week period.
To take a few examples, after 1 week, 81% found it easier to calm their mind. After 12 weeks, this rose to 89%. After 1 week, 76% fell asleep more quickly. After 12 weeks, this rose to 91%. After 1 week, 80% reported improved sleep quality. After 12 weeks, this rose to 91%. After 1 week, 77% felt less groggy on waking. After 12 weeks, this rose to 91%.