What Nutrient Deficiency Causes Lack of Focus?
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5 min read
Research consistently indicates that deficiencies in vital nutrients, such as iron and vitamin B12, can significantly impact cognitive function and cause the mental fatigue known as brain fog. This can manifest as poor concentration, forgetfulness, and mental sluggishness. Identifying what nutrient deficiency causes lack of focus is a critical first step toward reclaiming mental sharpness and clarity.