Supplements commonly considered by runners
Runners often watch hydration/electrolytes and iron status. Iron needs vary widely and excess should be avoided — confirm via a blood test.
Hydration and electrolytes
For long or hot efforts, replacing fluids and electrolytes is reasonable.
This quiz provides general educational information and is not intended to diagnose, treat or prevent disease. If you have a medical condition, take medication, or are pregnant or breastfeeding, please consult a physician or pharmacist.
Last reviewed: June 25, 2026 · SapuriApuri editorial team