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L-theanine is an amino acid found in tea leaves and in very few other places. We use the pure L-isomer, the form found in tea, made by fermentation and lab-verified at 98% purity or higher.

Lemon balm is a member of the mint family with lemon-scented leaves. Our extract is standardised to at least 5% rosmarinic acid, a polyphenol from the plant, and meets European Pharmacopoeia standards.

Rhodiola grows in cold, high-altitude regions, and the root is the part that's used. Rosavins are specific to Rhodiola rosea, so the species matters. Ours is cultivated, DNA-verified as R. rosea and standardised to 3% rosavins and 1% salidroside.

Tyrosine is an amino acid your body makes from phenylalanine. It takes its name from tyros, Greek for cheese, where it was first found. Ours is free form, made by fermentation, at least 99% pure.

Taurine occurs naturally in your body and in meat and fish. Unlike most amino acids, your body doesn't use it to build proteins. Ours is free form and pharmaceutical grade, at least 99% pure.

Saffron threads are the stigmas of the crocus flower, and it takes around 150 flowers to make a single gram. Crocins give it its colour, safranal its aroma. Ours is cold-water extracted, standardised to at least 4.5% of both, and DNA-tested, because saffron is easy to fake.

Magnesium contributes to normal functioning of the nervous system and to the reduction of tiredness and fatigue.

Zinc contributes to normal cognitive function.

Your body can't make vitamin C, so it has to come from what you eat and drink. We use L-ascorbic acid, the same molecule you get from fruit.

Vitamin C contributes to the reduction of tiredness and fatigue.

Pantothenic acid takes its name from the Greek pantothen, "from everywhere", because small amounts turn up in nearly every food. Calcium D-pantothenate is a stable salt of the D form, the one your body can use.

Pantothenic acid contributes to normal mental performance.

Vitamin B6 contributes to normal psychological function.

Vitamin B12 contributes to normal functioning of the nervous system and to the reduction of tiredness and fatigue.

Sodium is the main electrolyte in the fluid around your cells, and you lose it when you sweat. We use sodium citrate because it tastes milder than sodium chloride, the salt on your table.

Potassium is the main electrolyte inside your cells. Potassium citrate has a milder taste than potassium chloride, which can turn bitter in a drink.

At the amount in Night Out, potassium contributes to normal muscle function.

Tart cherry is the sour cherry, Prunus cerasus, and Montmorency is its best-known variety. We use that variety only and confirm it with a DNA test. The extract contains at least 2% polyphenols.

Curcuminoids are the yellow pigments in turmeric root. They barely survive the gut on their own, so ours are wrapped in a liposome, a lecithin coating that carries them through.

Magnesium contributes to normal muscle function.

Zinc contributes to normal protein synthesis.

Your body can't make vitamin C, so it has to come from what you eat and drink. We use L-ascorbic acid, the same molecule you get from fruit.

Vitamin C contributes to the reduction of tiredness and fatigue.

Thiamine was the first B vitamin to be identified, and your body stores very little of it. Thiamine hydrochloride is a stable, water-soluble form that dissolves cleanly in your glass.

Thiamine contributes to normal energy-yielding metabolism.

Riboflavin is the B vitamin with the bright yellow colour. If your urine looks more yellow after a sachet, this is why, and it's harmless.

Riboflavin contributes to the reduction of tiredness and fatigue.

Niacinamide and niacin are the two common forms of vitamin B3. We picked niacinamide because niacin can cause a warm, red skin flush at higher doses.

Niacin contributes to the reduction of tiredness and fatigue.

Pantothenic acid takes its name from the Greek pantothen, "from everywhere", because small amounts turn up in nearly every food. Calcium D-pantothenate is a stable salt of the D form, the one your body can use.

Pantothenic acid contributes to normal mental performance.

P5P is the form of vitamin B6 your enzymes actually work with. Most supplements use pyridoxine, which your body has to convert first. We skip that step.

Vitamin B6 contributes to normal psychological function.

L-5-MTHF is the main form of folate in your blood. Folic acid, the synthetic version in most supplements, has to be converted into it first, and that goes better for some people than for others.

Folate contributes to normal psychological function and to the reduction of tiredness and fatigue.

Vitamin B12 contributes to the reduction of tiredness and fatigue.

Guarana is a climbing plant from the Amazon, and its seeds are a natural source of caffeine.

Contains caffeine: take it in the morning.

Tyrosine is an amino acid your body makes from phenylalanine. It takes its name from tyros, Greek for cheese, where it was first found. Ours is free form, made by fermentation, at least 99% pure.

L-theanine is an amino acid found in tea leaves and in very few other places. We use the pure L-isomer, the form found in tea, made by fermentation and lab-verified at 98% purity or higher.

Rhodiola grows in cold, high-altitude regions, and the root is the part that's used. Rosavins are specific to Rhodiola rosea, so the species matters. Ours is cultivated, DNA-verified as R. rosea and standardised to 3% rosavins and 1% salidroside.

Curcuminoids are the yellow pigments in turmeric root. They barely survive the gut on their own, so ours are wrapped in a liposome, a lecithin coating that carries them through.

Magnesium contributes to normal muscle function.

Your body can't make vitamin C, so it has to come from what you eat and drink. We use L-ascorbic acid, the same molecule you get from fruit.

Vitamin C contributes to the reduction of tiredness and fatigue.

Pantothenic acid takes its name from the Greek pantothen, "from everywhere", because small amounts turn up in nearly every food. Calcium D-pantothenate is a stable salt of the D form, the one your body can use.

Pantothenic acid contributes to normal mental performance.

Vitamin B6 contributes to normal psychological function.

Folate contributes to normal psychological function and to the reduction of tiredness and fatigue.

Vitamin B12 contributes to the reduction of tiredness and fatigue.

L-cysteine is a sulphur-containing amino acid and a building block of glutathione, which is also in Night Out. A lot of the world's L-cysteine is still extracted from feathers or hair. Ours is made by fermentation.

Ginger is the root of Zingiber officinale, and gingerols are what give it its heat. Our extract is standardised to at least 10% gingerols, so every batch carries the same amount.

Sodium is the main electrolyte in the fluid around your cells, and you lose it when you sweat. We use sodium citrate because it tastes milder than sodium chloride, the salt on your table.

Potassium is the main electrolyte inside your cells. Potassium citrate has a milder taste than potassium chloride, which can turn bitter in a drink.

At the amount in Night Out, potassium contributes to normal muscle function.

Glutathione is a small molecule your body builds from three amino acids: cysteine, glutamate and glycine. Reduced glutathione is the form your cells use. It barely survives the gut on its own, so ours is wrapped in a lecithin coating that carries it through.

L-theanine is an amino acid found in tea leaves and in very few other places. We use the pure L-isomer, the form found in tea, made by fermentation and lab-verified at 98% purity or higher.

Magnesium contributes to electrolyte balance.

Zinc contributes to normal cognitive function.

Vitamin C contributes to the reduction of tiredness and fatigue.

Thiamine contributes to normal energy-yielding metabolism.

P5P is the form of vitamin B6 your enzymes actually work with. Most supplements use pyridoxine, which your body has to convert first. We skip that step.

Vitamin B6 contributes to normal psychological function.

B12 occurs naturally almost only in animal foods. Methylcobalamin is a form your body uses directly. Many supplements use cyanocobalamin, which has to be converted first.

Vitamin B12 contributes to the reduction of tiredness and fatigue.