Na
Sodium
Sodium is the electrolyte most present in sweat, which is why hydration in heat is rarely only about water. ReUp is being developed around a citrate form, at a level intended to taste clean rather than salty.
THE SCIENCE OF HYDRATION
WATER MOVES THROUGH YOU. ELECTROLYTES HELP YOU HOLD THE BALANCE.
Hydration is more than a label. This is where ReUp will publish the formula, sources and evidence behind the product — including what is confirmed, what is still being tested, and why each ingredient is there.
A SIMPLE VIEW
- 01
Water intake
What you drink across a day.
- 02
Fluid balance
How the body holds and moves that water.
- 03
Movement and heat
What activity and temperature ask of it.
- 04
Replenishment
Putting fluid and electrolytes back.
THREE ELECTROLYTES. ONE CLEAN DIRECTION.
K
Potassium
Potassium sits mostly inside the body's cells and works in balance with sodium. In development we are treating the ratio between the two as a formulation decision, not a marketing number.
Mg
Magnesium
Magnesium is included in a citrate form for solubility and a softer finish. The final level is still being tested against taste and stability.
WHAT WE ARE DEVELOPING
| Attribute | Target | State |
|---|---|---|
| Sodium | — | In development |
| Potassium | — | In development |
| Magnesium | — | In development |
REFERENCES
References will be published here alongside the confirmed formula, with full source details.
ARTICLES
Articles coming with the final formula.
- 01
Why water alone is not always the full story
- 02
What sodium, potassium and magnesium actually do
- 03
Hydration in hot, dry conditions
- 04
Building a drink that is not overly sweet or salty
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