More academic proof that iron deficiency can significantly and negatively mental health
https://www.sciencedirect.com/science/article/abs/pii/S0149763425003732
Iron plays a key role in brain functions like energy metabolism and neurotransmitter synthesis. Yet, iron deficiency (ID) is the most common nutritional deficiency worldwide. Children, adolescents, and menstruating adults are particularly at risk. Even in the absence of anemia, ID can be associated with fatigue, reduced quality of life, and worsened symptoms of depression, anxiety, and ADHD
https://www.mdpi.com/2227-9067/13/2/180
Recent work highlights the clinical relevance of non-anemic iron deficiency (NAID), defined as biochemical evidence of iron deficiency in the absence of anemia. NAID has been associated with neuropsychiatric and cognitive symptoms, including fatigue, anxiety, attention difficulties, and reduced quality of life, suggesting that symptomatology may emerge prior to hematologic compromise