Tyrosine

• It is a precursor of several neurotransmitter including L-dopa, dopamine, norepinephrine and epinephrine, so acts as a mood elevator
• May be helpful in Parkinson's disease
• May be helpful in mood disorders such as depression, dementia, Alzheimer's, and with environmental stress
• Helps protect the skin against radiation because it is a key component of melanin
• May be helpful in people with PKU disorder
• Helpful in alcohol and cocaine or other addictive drugs in withdrawal support
• Helps suppress appetite and reduce body fat
• Helps with normal function of adrenal, thyroid and pituitary glands
• Helps with metabolism of phenylalanine
• Helpful for chronic fatigue and narcolepsy
• Helpful for anxiety, depression, allergies and headaches

Signs of deficiency include: Hypothyroidism, low blood pressure, low body temperature (cold  hands/feet), restless leg syndrome.

May help with PMS.