In Chinese, it is pronounced as: nèi dān，Written as:

The Inner Elixir, also known as the Golden Elixir or Elixir, is an important concept in the Taoist practice of Inner Alchemy within Chinese Taoism. Inner Alchemy is a practice aimed at achieving Immortality or becoming an immortal through Cultivation, integrating elements of Taoist philosophy, Qigong, Alchemy, and traditional Chinese medicine.
Originating in ancient China, Inner Alchemy was deeply influenced by Taoist thought. Taoism seeks prolonged life and unity with the Dao, and Inner Alchemy is considered one of the pathways to achieving these goals. In Taoist philosophy, the Inner Elixir is not merely a physical concoction but a cultivation of both the spirit and body. It symbolizes the condensation and transformation of an individual’s vital essence, energy, and spirit. Through the cultivation of the Inner Elixir, practitioners unify the essence (the essence of life), energy (the breath of life), and spirit (consciousness and spirituality), achieving physical health and the elevation of the soul.
The practice of cultivating the Inner Elixir typically includes a series of complex exercises and stages, primarily divided into three phases: enhancing the vitality of life through breathing techniques and guiding exercises; further cultivation to nurture higher levels of spiritual power; and ultimately achieving unity with the Dao, transcending the limits of life and death.
The difference between Inner and External Elixirs: The Inner Elixir refers to achieving Immortality through the cultivation of one’s internal energy, whereas the External Elixir involves using external substances (such as herbs and minerals) to create elixirs that grant longevity. While many ancient Taoist Priests pursued the practice of External Alchemy, over time, Inner Alchemy has come to be regarded as safer and more effective.
The concept of the Inner Elixir holds a significant place in Taoist culture and has influenced various fields of traditional Chinese wellness, martial arts, and medicine. Many Chinese classics, such as the “Dao De Jing” and the “Huang Ting Jing,” contain thoughts related to Inner Alchemy.
Inner Alchemy is not just a physical cultivation method but also a spiritual and moral practice. Through the cultivation of the Inner Elixir, seekers not only achieve physical health but also attain spiritual tranquility and moral perfection.