Quick answer: energy water is water with caffeine and a few useful extras, like electrolytes and vitamins. It's usually still, low in sugar and lighter than a classic energy drink. Same lift from the caffeine, without the sugar load or the fizz.
What is energy water?
Energy water is lightly flavoured water with added caffeine, often from plant sources such as green coffee or tea. Most versions also add electrolytes, vitamins or both, and keep sugar low. Unlike most energy drinks, it's usually not carbonated. If you've seen it called caffeine water or caffeinated water, it's the same idea; our caffeine water guide covers that side.
Energy water vs energy drinks
| Energy water | Classic energy drink | |
|---|---|---|
| Sugar | Usually low or none | Often 27g to 55g a can |
| Fizz | Usually still | Carbonated |
| Caffeine | Varies, often 75 to 150mg | Varies, often 80 to 200mg |
| Extras | L-theanine (from green tea extract), enXtra®, rhodiola, Panax ginseng, electrolytes, nine vitamins | Taurine, B vitamins, sweeteners |
| Taste | Light, like flavoured water | Sweet, strong |
For the full side-by-side, read energy water vs energy drinks, or see how it stacks up against your morning brew in energy water vs coffee.
Is energy water healthy?
It can be a healthier swap for a full-sugar energy drink, mainly because of the sugar. But it still contains caffeine, so it's not a replacement for plain water. Up to 400mg of caffeine a day is generally fine for healthy adults, so count your coffee and tea too.
How to choose a good energy water
- Sugar under 5g a can.
- A caffeine dose you're comfortable with, clearly stated on the can.
- Useful extras listed with amounts, like electrolytes and vitamins.
- A sweetener you're happy with, plant-based or artificial.
We compare the options in best energy water UK.
Where PÜRCHARGE fits
PÜRCHARGE is a still energy water made in the UK. Each 330ml can has filtered water, 125mg of caffeine from green coffee, 3.8g of sugar from fruit juice, stevia, electrolytes and nine vitamins. Vitamins B6 and B12 contribute to the reduction of tiredness and fatigue. Three flavours: Apple & Kiwi, Mango & Passionfruit and Nordic Berries. Not for under-16s, pregnant or breastfeeding women. Max two cans a day.
FAQs
Is energy water the same as an energy drink?
Both contain caffeine. Energy water is usually still, lower in sugar and lighter in taste; energy drinks are usually fizzy and sweeter.
Can you drink energy water every day?
Most healthy adults can, as long as your total caffeine stays under 400mg a day. Two cans of PÜRCHARGE is 250mg.
Is energy water fizzy?
Usually not. See still vs fizzy energy drinks for why that matters.
