A Pilot Study to Evaluate the Ability of Lactoferrin to Modulate Iron Homeostasis and Exercise Performance in Exercising Females

Inclusion Criteria: * Women, 18 - 45 years of age * No changes in hormonal contraception use in the past 6 months * Has a regular menstrual cycle defined as five out of the past six months * Engaging in ≥5 hours per week of structured endurance exercise (e.g., running, cycling, swimming, rowing) for the past ≥6 months, with ≥3 sessions per week at moderate-to-vigorous intensity (≥70% HRmax or RPE ≥13). * Training must be consistent, with no interruptions \>2 consecutive weeks in the past 6 months and performed with the purpose of improving performance or preparing for a competition or personal goal. * Exhibit some degree of compromised iron status as depicted by serum ferritin levels below 30 ug/L * Participation in at least one organized endurance event (e.g., races, competitions, or matches) at the recreational, sub-elite, or elite level, or be actively training for a planned competition within the next 6 months. * Generally healthy and free of diseases or disorders that impact functioning of the gastrointestinal system. * No recent or acute infection in the past 30 days and no chronic systemic illness * No psychiatric condition that, in the investigator's judgment, would impair consent capacity, protocol adherence, or valid completion of questionnaires. * If psychiatric medication is used: stable regimen for ≥3 months with no anticipated changes during the study * Body mass index (BMI) 18.5 to 32.5 kg/m2 (Inclusive) * Non-smoker * Agrees to not use any new vitamin, minera…