What is your ferritin threshold to prescribe iron to female adolescent athletes who have symptomatic iron deficiency without anemia?  

What is the ideal approach for female adolescent athletes if they have complaints of fatigue and dizziness and are diagnosed with mild iron deficiency without anemia? Do you have a cut-off for serum ferritin to decide on an iron supplement (ferritin <30 vs <50)?

Answer from: Medical Oncologist at Academic Institution