Noradrenaline, also known as norepinephrine, is a chemical that acts as both a hormone and a neurotransmitter in the body. It plays a crucial role in the fight-or-flight response by increasing alertness, arousal, and reaction time. Noradrenaline also aids in mood regulation and helps maintain blood pressure by constricting blood vessels.

Testing noradrenaline levels can be beneficial for individuals showing symptoms of certain adrenal gland disorders, such as pheochromocytoma. It’s also useful for those with unexplained fluctuations in blood pressure or heart rate, as well as people experiencing chronic stress, anxiety, or depression.
Supplements that might help regulate norepinephrine levels include:
Norepinephrine, when released in the body, can create a variety of feelings and physical reactions:
