This full-spectrum B vitamin complex enhanced with rhodiola supports overall health, particularly in people under physical or mental stress. The moderate-potency B vitamins support the nervous system, adrenal function, and hormonal balance. Plus, rhodiola is a potent adaptogen with a long history of use in traditional herbal medicine. More recently, rhodiola has been clinically proven to decrease mental fatigue and improve mental and physical performance during periods of work-related stress.