Regina Gysel, MD, NTS, is a neuronutrient (amino acid) therapy specialist, individually selecting amino acids to restore the brain’s biochemical balance. Neurotransmitters (made of amino acids) are needed for a happy mood, sound sleep and every day productivity. Regina specializes in sugar and other cravings/addictions, but can also help with feelings of overwhelm, anxiety, phobias, ADHD, depression, and insomnia.