Ultimate Anti-Stress - Chronic daily stress (i.e. work, school or constant worrying) can rapidly deplete the brain's serotonin reserves, causing depression, low stress adaptation, sleep disturbances and excessive cravings for sweet and starchy foods. A few common signs of weak adrenal function are; overeating and weight gain, fatigue, irritability, chronic tiredness, oversleeping and frequent immune system rundown. Formulated by Brad King.