Read the back of the can

The whole list. Both cans.

Most drinks bury the ingredient list in four-point type on the part of the can you throw away. Ours fits on a page, with room to explain every line.

caffeineWATER Original

2 ingredients

Sparkling water. Organic caffeine. Nothing else.

  1. 1 Carbonated British spring waterSparkling water from a UK spring. That is the drink.
  2. 2 Natural caffeine (80mg)Extracted from green coffee beans, 98% pure and food-grade. The same molecule as coffee, without the taste.
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caffeineWATER salt + lime

4 ingredients

The same two, plus a squeeze of real lime and a pinch of Baja Gold sea salt.

  1. 1 Carbonated British spring waterThe same spring water. Nothing changes underneath.
  2. 2 Natural caffeine (80mg)The same 80mg from green coffee beans. Both cans are identical on caffeine.
  3. 3 Baja Gold sea saltHand-harvested from the Sea of Cortez. Carries trace minerals and naturally lower sodium than standard sea salts.
  4. 4 Real limeActual lime juice, for a clean citrus edge. Not lime flavouring.
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High caffeine content. Not recommended for children or pregnant or breast-feeding women.

Us vs them

Same job. Shorter list.

Against the drinks people reach for when they want the same thing: to be awake. Figures for the other three are typical published values for the category, not any one brand.

Comparison of caffeineWATER with typical energy drinks, filter coffee and cola
Per serving caffeineWATER330ml can Typical energy drink330ml can Filter coffeeOne mug Cola330ml can
Caffeine 80mg 80–160mg ≈95mg ≈32mg
Sugar 0g ≈35g 0g ≈35g
Calories 0 kcal ≈140 kcal ≈2 kcal ≈139 kcal
Sweeteners None Common None None
Ingredients 2 — or 4 with salt + lime 20+ 1–2 10+
Artificial colours None Common None Caramel colour
Needs a queue No No Usually No

caffeineWATER figures are our own. The other three columns are typical published values for the category rather than a specific product, and vary by brand and serve size. UK and EU food safety guidance suggests up to 400mg of caffeine a day for most healthy adults.

Is the caffeine natural or synthetic?

100% natural and organic. It is extracted from green coffee beans, 98% pure and food-grade. The same caffeine molecule as coffee.

How much caffeine is in a can?

80mg per 330ml can. Roughly one cup of coffee. Exactly the amount you actually wanted.

How many cans is too many?

UK and EU food safety guidance suggests up to 400mg of caffeine per day for most healthy adults.

Coffee is £4.50 and a queue. Energy drinks are a list you cannot pronounce. This is neither.

Shop by the case