Science-Based Nutrition With Ginkgo Biloba & Artichoke Extracts Helps Improve Energy, Stamina & Vitality Dietary Supplement Vegan Non-GMO / Gluten Free / Soy FreeDoctor's Best Ultra Cordyceps Plus contains pure cultivated Cordyceps sinensis, an herb used for centuries in China as a rejuvenating tonic that improves energy and supports function of various organs and systems. The strain of Cordyceps in this product is recognized by the Chinese government as similar to wild Cordyceps sinensis, a rare fungus that grows above 15,000 feet in the Tibetan Highlands region of China.Ginkgo biloba and artichoke leaf extracts are added to support the rejuvenating effects of Cordyceps. Helps boost energy and stamina Helps improve vitality Helps support lung health, liver function, memory and mental ability.