Randomized placebo‐controlled iron supplementation results
As a result of the 3‐month iron supplementation, 15% of the athletes reached the expected level of 100 μg/L ferritin values. In the iron group, the ferritin level significantly increased compared to the baseline assessment. The iron group had significantly higher ferritin levels compared to the placebo group, with the average increase of 37.5% ferritin. The correlation between VOThe effect of 3‐month iron supplementation.
B versus S
B versus SIron group (IG)
Placebo group(PG)
Effect size(Hedge's Iron group(IG)
Placebo group(PG)
Effect size(Hedge's Abbreviations: B, baseline; HR, heart rate; IG, iron group; PG, placebo group; S, supplementation; sTfr, soluble transferrin receptor; TIBC, total iron binding capacity; VO