Ingredients
What’s inside.
And why.
One functional formula.
Made for whatever comes after.

500 mg
Sodium
200 mg
Potassium
40 mg
Magnesium
1.4 mg
Vitamin B6
Zero sugar · Zero caffeine
500 mg
Sodium
The big one.
Sodium is an electrolyte involved in fluid balance and is lost in sweat. That’s why every 330 ml can of UNDO delivers 500 mg.
Fluid retention depends on more than simply replacing water - sodium is one of the particularly relevant components in rehydration research.
Rehydration research · PubMed
200 mg
Potassium
Keeping the balance.
Another essential electrolyte, potassium works alongside sodium as part of the body’s normal physiology.
200 mg in every can.
40 mg
Magnesium
Part of the formula.
Magnesium is an essential mineral involved in numerous normal functions in the body.
40 mg in every can.
1.4 mg
Vitamin B6
For the day after the night before.
Vitamin B6 contributes to the reduction of tiredness and fatigue.
That exact claim is authorized in the EU, provided the product satisfies the applicable conditions for being a source of B6.
EU authorized claim · European Commission
What we left out
Nothing complicated.
0 g
Sugar
0 mg
Caffeine
Nothing complicated. Just the UNDO formula.
Built for what comes after.
After the workout.
After the sauna.
After the flight.
After the sun.
After the night before.
Same formula. Different reasons to reach for it.
The science
Alcohol can alter fluid balance and increase urine output, although the magnitude depends on circumstances. - PubMed Central (PMC)
Exercise and heat can create fluid losses that subsequently need replacing. - PubMed
Vitamin B6 has an authorized EU claim for contributing to the reduction of tiredness and fatigue, subject to the conditions of use. - European Commission
One functional formula.
Made for whatever comes after.
