Vyana is one of the five vital energies, or pranas, in the body according to yogic philosophy. It is responsible for the circulation of energy throughout the body, ensuring that all organs and systems function harmoniously. Vyana helps in the distribution of nutrients and oxygen, playing a crucial role in maintaining overall health. This energy is associated with movement and is often linked to the heart and blood circulation. Vyana works in conjunction with the other pranas, such as prana, apana, samana, and udana, to support various physiological processes and promote balance within the body.