Brain fog, while not a medical condition itself, encompasses a range of frustrating symptoms such as memory lapses, difficulty concentrating, fatigue, and disorganized thoughts. One potential culprit is low nutrient levels, making supplements a promising option for seeking clarity. This phenomenon often touches individuals grappling with various health issues, including long COVID, fibromyalgia, and chronic fatigue syndrome, among others. Understanding the factors behind brain fog, nutrient deficiencies, can pave the way for improved cognitive function and a sharper mind.