Before going to bed. Aerospace oral liquid is the exclusive product of China astronauts. By improving the overall function and coordination of the three systems, the body is in a functional state of benign operation. Sleeping is the most relaxing time, and China Aerospace Red Bottle is the best and most effective one to eat before going to bed. China Aerospace Red Bottle supports the autoimmune system to achieve an ideal healthy and balanced state, which is safe and reliable.