What Causes Mental Fatigue?

Definition

Mental fatigue is the tiredness your brain feels after prolonged thinking, stress, or poor sleep — often leaving you foggy, distracted, or emotionally drained. Unlike physical tiredness, mental fatigue can persist even after rest if the underlying causes aren't addressed.

Why It Matters

Chronic mental fatigue reduces productivity, decision-making, and emotional resilience. Over time, it can compound into burnout, affecting both your professional and personal life.

Common Causes of Mental Fatigue

• Stress overload
• Neuroinflammation
• Sleep disruption
• Nutritional deficiencies

The Vitalogy Approach

Our Brain Health Performance Supplement helps reduce neuroinflammation and support neural communication, addressing two of the core biological drivers of mental fatigue. For a complete approach, our Calm & Relax formula targets stress at its source, while our Sleep Health supplement supports the deep, restorative sleep your brain needs to recover and perform.