Mental Fatigue Isn’t Psychological — It’s Metabolic
Mental fatigue isn’t a motivation problem—it’s a metabolic one. This in-depth Precision Nutrition Insights article explores the cellular and biochemical drivers of cognitive fatigue, including mitochondrial energy production, neurotransmitter depletion, oxidative stress, and recovery deficits. Learn why stimulants fail long-term, how brain energy systems truly work, and how a precision nutrition framework can support sustained focus, mental endurance, and cognitive resilience for high-performance living.