Solid evidencemineral

Ferrous Sulfate for Low Stamina

Iron is critical for oxygen transport via hemoglobin and muscle oxygen storage via myoglobin. It also supports mitochondrial cytochrome function. Even subclinical iron deficiency (low ferritin, normal hemoglobin) reduces exercise capacity.

How strong is the research?

Solid evidence

How much to take

18–36 mg

Test ferritin before supplementing. Athletes and menstruating women are at higher risk of depletion. Target ferritin >30 ng/mL.

All uses of Ferrous SulfateAll supplements for Low Stamina

Other supplements researched for Low Stamina