Energy, Focus, Protection.
Attack is the best form of defence. Ingredients selected by human performance experts, containing science-backed vitamins and minerals to help you naturally harness energy, fight fatigue and support your immune system.


Hero INGREDIENT
Mirtoselect™
Mirtoselect™
160mgExtracted from the ripest wild bilberries, Mirtoselect® is a rich source of anthocyanin antioxidants, which help neutralise free radicals – a cause of cell damage.
- Multiple research studies for Mirtoselect
- Market leader for anthocyanin concentration (36%)
- Provides phytonutrient support


Hero INGREDIENT
AstaReal™
AstaReal™
3.6mgA naturally occurring antioxidant from algae, astaxanthin’s antioxidant activity can help mobilise internal defense systems.
- AstaReal® is the most researched form of astaxanthin
- A carotenoid antioxidant for holistic support
- Combined with Vitamin C to combat oxidative stress


Hero INGREDIENT
Liposomal Glutathione
Liposomal Glutathione
75mgKnown as the master antioxidant, L-Glutathione is used by every cell to maintain healthy balance.
- Part of the Nrf2-regulated antioxidant response system
- Liposomal delivery for better absorption
- Works with selenium to protect from oxidative stress
Natural Energy, Every Day.
Stay on top of your game, without caffeine.
L-Tyrosine
An essential amino acid involved in the production of the focus-related neurotransmitters dopamine and adrenaline.
Vitamin B-12
A powerhouse vitamin supporting the body’s natural defences, harnessing energy and reducing fatigue.
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L-Glutamine
A naturally occurring amino acid involved in muscle support.
Prevalent in muscle tissue and involved in recovery processes, L-Glutamine is used by immune and intestinal cells, and is especially important under physical stress.
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Selenium
Key mineral in keeping our immune system strong.
Helps protect cells from oxidative stress while supporting the body's natural antioxidant systems. Provided as selenomethionine for superior absorption.
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Vitamin C (Ascorbic Acid)
Supports energy, immunity and reduced fatigue.
At this dosage, Vitamin C also helps maintain immune function during/after intense exercise and protect cells from oxidative stress.
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Zinc
A performance all-rounder with multiple roles.
Protects from oxidative stress, supports the immune system, cognitive function and bone strength maintenance.
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Vitamin D3
Important nutrient in the regulation of calcium and phosphate.
Contributor to our immune defenses and involved in bone, skin and muscle maintenance and recovery.
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Biotin
Support player in maintaining our energy systems and metabolism.
By helping promote healthy skin and mucous membranes, also plays a role in our body’s first line of defence.
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Beetroot Extract (1,027 mg)
Traditional ‘superfood’ for vitality and wellness.
Rich in nitrates and antioxidants like betalains – previously studied in connection to endurance and sports performance.
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Vitamin A (800 µg RE)
Deficiency can lead to impaired immune function.
Proven to support natural defenses, maintain skin health and contributor to overall vision.
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Vitamin B1 (Thiamine Mononitrate)
A crucial vitamin in energy production and metabolic support.
Thiamine helps your body release energy from food and also contributes to healthy heart function.
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Riboflavin (Vitamin B2, 1.5 mg)
Plays a crucial role in energy production and cell growth.
Riboflavin is shown to reduce fatigue, support energy production and protect cells from oxidative stress.
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Pantothenic Acid (Vitamin B5, 6 mg)
Valuable role in energy and mental performance.
Helps maintain mental sharpness by reducing fatigue and supporting cognitive function.
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Folic Acid (Vitamin B9, 200 µg)
Also known as folate, it’s vital for the formation of red blood cells.
Bolsters immunity, reduces fatigue and helps maintain cognitive function.
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Niacin (Vitamin B3, 18 mg NE)
Dynamic coenzyme supporting nervous system and cognition.
Contributes to energy release, supports nervous system function and helps reduce tiredness.
Developed and trialed to produce results.
- Formulated in quantities for optimal physiological function.
- In powder form for maximum bioavailability.
- Only those nutrients and minerals with the strongest evidence base are included.
- Informed Sport tested.
- Safe to take everyday.
Elite sport thinking.
DAY POWDER originated in America’s Cup sailing, one of the world’s most demanding sports, and was formulated by human performance specialists dedicated to getting the best from our minds and bodies.

Aidan Goggins
Nutritional Medicine Director
Formulation Consultant
A pharmacist and nutritionist who specialises in improving health and performance through optimal nutrient use, driven by a quest to understand, manage and cure his own autoimmune disease.
Former lead nutritionist for the British America’s Cup team as part of its human performance arm, a best-selling author of books including The Sirt Diet, a leading voice on the science of nutrition and ainslie + ainslie formulation consultant.

Professor Greg Whyte OBE
Scientific Advisor
Competed in two Olympic games in the modern penthalon and is now a world-renowned sport scientist specialising in exercise physiology and performance at Liverpool John Moores University, as Professor of Applied Sport and Exercise Science.
He is also well-known for preparing people, mentally and physically, for personal challenges and regularly takes on sporting challenges of his own.

Enhancing our natural rhythms.
DAY POWDER is designed by human performance specialists to support the body's natural recovery systems, using the emerging field of circadian science.