Conclusions
IRON DEFICIENCY
As a result of the 3‐month iron supplementation, the ferritin levels increased; however, only a small portion of the athletes achieved the target ferritin level, while performance improvement was not detectable.The effect of 3‐month oral iron supplementation in young, male basketball players—a randomized placebo‐controlled study using the 100 μg/L cut off for iron deficiency.

Emese Csulak, Titanilla Takács, Nóra Sydó, and Béla Merkely contributed equally to this work.