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Understanding hydration

The science behind better hydration.

Drinking water is essential. But hydration does not stop at the number of glasses you drink.

For water to play its full role, your body needs a precise balance between water and minerals. That is where electrolytes come in.

The principle

Water hydrates. Electrolytes balance.

We often think the answer is simple: drink more.

And yes, water is essential. It makes up a large part of our body, circulates through our cells, and plays a part in regulating temperature, transporting nutrients and keeping the whole body working properly.

But your body is not a bottle to be filled.

It works more like a system of balance. Water moves, enters and leaves cells, follows certain minerals and spreads across different compartments. For everything to stay stable, you need more than a volume of water: you need the right distribution.

That is precisely the role of electrolytes.

Drink more

Adding volume, without taking the rest into account.

rather than
Distribute better

Helping water go where the body needs it.

Definition

What exactly are electrolytes?

Electrolytes are minerals that carry an electrical charge once dissolved in water.

Put like that, it sounds technical. In reality, it is very concrete: five minerals your body uses every day.

NaSodium
KPotassium
MgMagnesium
CaCalcium
ClChloride
What they do

What electrolytes do for you.

Drinking is good. With electrolytes, it is better.

02

Muscles

Potassium Magnesium Calcium

They contribute to normal muscle function. Walking, climbing stairs, a lunchtime workout: your body uses them all the time, not only during exercise.

03

Nervous system

Potassium Magnesium

They contribute to the normal functioning of the nervous system, through which the brain and nerves communicate.

04

Energy, less tiredness

Vit. B5 Vit. B6 Vit. C

Vitamins B5, B6 and C contribute to normal energy-yielding metabolism and to the reduction of tiredness and fatigue. Not stimulating: covering the basics.

Every day

The days that ask for more.

On a quiet day, with a balanced diet, drinking water can be enough.

But some days ask for more.

  • You sweat.
  • You have one coffee after another.
  • You take the metro, you walk, you run, you travel.
  • You have a workout at lunchtime.
  • You go out late.
  • You forget to drink for five hours, then try to make up for it all at once.

At times like these, hydration becomes less automatic.

No need to dramatise. Just days when your body draws on a little more: heat, sweating, a demanding pace, sport, travel, caffeine, short sleep. That is where a more complete hydration habit finds its place.

HeatCommutingSportTravelLong dayLate night
Formulating well

A good formula should stay easy to read.

When it comes to hydration, more does not always mean better.

A coherent formula has to strike the right balance across several dimensions: minerals, vitamins, taste, tolerance, ease of use and the regulatory framework.

The aim is not to pile up ingredients. The aim is to create a useful habit, easy to understand and easy to repeat.

01

Balance

Between minerals, vitamins and dosage.

02

Simplicity

A formula that is easy to understand.

03

Taste

Designed to be drunk often.

04

Tolerance

Light and pleasant every day.

05

Consistency

A habit that is easy to repeat.

REJJI

Hydration starts with understanding what your body needs.

Electrolytes do not complicate water. They explain why hydration is smarter than you might think.