Certification status
Informed Sport
Proof Hydration Proof Hydration
Proof Hydration is a UK-made electrolyte powder in single-serve stick packs — sodium, potassium, magnesium and calcium with added vitamins, sugar-free and calorie-free. Vegan. Informed Sport certified, so every batch is screened against the banned-substances list for tested athletes.
Buy in the UK
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Why this certification matters
- Informed Sport
- Informed Sport certification is especially relevant for athletes in tested sports because products are batch-tested for substances prohibited in sport.
Frequently asked questions
- What format is it?
- A powder in single-serve stick packs you tear into water — convenient for training bags and travel. It is sugar-free and calorie-free.
- What does it contain?
- The key electrolytes — sodium, potassium, magnesium and calcium — with added vitamins. It is vegan.
- When is an electrolyte drink worth using?
- Electrolyte drinks are most useful during or after sweaty or prolonged exercise, or in the heat. For short, light sessions plain water is usually enough.
- Is it certified for tested sport?
- Yes. It carries Informed Sport certification, so every batch is independently screened against the WADA banned-substances list.
