Focus. Memory. Mental endurance. Brain longevity. Your brain runs on biology. Cognitive performance is the difference between glucose stability, thyroid signalling, B12 and iron status, and the cortisol curve that decides whether you wake up sharp or foggy. The Cognitive Performance Panel maps all four. What this panel reveals Stress curve — Cortisol and DHEA-S. The cortisol-to-DHEA ratio is one of the cleanest markers of mental burnout vs. resilience. Full Thyroid — TSH, Free T3, Free T4, plus thyroid antibodies. Subclinical hypothyroidism is a leading cause of brain fog that GP testing routinely misses. Glucose Regulation — HbA1c, glucose, insulin, C-peptide. Stable blood sugar is the foundation of stable focus. Cognitive Micronutrients — full iron studies, B12, folate, zinc, vitamin D. Even mild deficiencies in any of these cause measurable drops in working memory and processing speed. Who this is for Founders, knowledge workers, students, and parents struggling with afternoon crash, brain fog or memory lapses High-pressure roles where mental edge is the product Anyone with a family history of dementia who wants to act early Analysed in our ISO-accredited UK laboratory. Pair with sleep tracking and dietary tweaks for the highest-leverage wins. *Sample requirements: x7 Blood Sample
