What it is
Mechanism evidence: human
At a glance
What it is, why people use it, the evidence, and what to know before trying it.
Why people use it
- Replaces sodium and other electrolytes when sweat losses, heat, illness or prolonged exercise make water alone insufficient.
Evidence at a glance
Electrolyte supplement may be useful for a defined indication or deficiency, but broad wellness claims exceed the evidence. Match the product form and dose to the research and do not use it to replace indicated medical care.
Confidence: moderate
Safety & interactions
Known side effects, interactions and use limits from reviewed sources.
Excess fluid can cause dangerous hyponatremia, while high sodium or potassium can be inappropriate with kidney, heart or blood-pressure conditions. Match intake to actual losses and duration.