Is Ferritin Eisenmangel useful for weight loss?

The question of whether ferritin (iron deficiency) is useful for weight loss stems from a misunderstanding. Ferritin is a storage protein for iron; low ferritin indicates iron deficiency. Iron deficiency is not a tool for weight reduction but a health problem. It causes fatigue, reduced physical performance, and can slow metabolism—all factors that hinder sustainable weight loss. Additionally, iron deficiency can trigger cravings (e.g., for ice or unusual substances), impairing calorie control. Evidence-based medicine finds no support for intentionally inducing iron deficiency to promote weight loss. On the contrary, adequate iron is essential for energy production and fat metabolism. Those aiming to lose weight should focus on a balanced diet with iron-rich foods and consult a doctor if deficiency is suspected. Claiming that ferritin deficiency is 'useful' is misleading and potentially harmful.