Table 2 Inclusion and exclusion criteria for the study participants
Total N | Supplemented group N | Control group N | |
|---|---|---|---|
Inclusion criteria | |||
• Male athletes qualified to Polish Youth Rowing Team (age 19–23 years), with physician-certified permission to participate in trainings and competition | • 19 | • 10 | • 9 |
Exclusion criteria | • 3 | • 1 | • 2 |
• Medication intake (inflammatory drags, medications known to affect iron metabolism) | • 2 | • 1 | • 1 |
• Injury excluding participation in trainings | • 1 | • 0 | • 1 |