Rëvv is designed for situations of underactivity in the parasympathetic nervous system. It’s commonly needed by those who constantly feel weary, struggle to rejuvenate despite getting ample rest or sleep, and following prolonged periods of battling mental and/or physical stress. Symptoms and conditions it can aid with include: fatigue, burnout, adrenal exhaustion, hypothyroidism, lethargy, constipation, spasms of the inner organs (gallbladder, bladder, and intestines), asthma, migraines, eczema, and low blood pressure.