Nature™s Sunshine Gotu Kola supports healthy circulation, mental clarity and brain function, a calm mind and refreshed sleep. Gotu Kola originates from the island of Sri Lanka off the south-eastern coast of India. Gotu Kola is one of the most popular traditional Ayurvedic herbs and offers support to the nervous system and brain. It is ideal for the elderly; supporting mental clarity and focus; sharp mind and healthy aging.