Eng3 Corporation is a company based in Seattle, Washington that develops, manufactures, and distributes NanoVi devices. These devices are designed to protect against and repair cellular damage caused by oxidative stress. The NanoVi works by targeting protein folding, which is essential for proteins to perform their functions effectively. By influencing the water surrounding proteins, the NanoVi promotes overall wellbeing, performance, and recovery.

The company offers different types of NanoVi devices for various uses such as improved performance, maintaining wellness, and accelerating recovery. The NanoVi has garnered positive feedback from users including professional athletes, biohackers, and medical professionals who have experienced its benefits firsthand. Eng3 Corporation has been in operation since 2003 and has international distributors representing their products in overseas markets.