Dr. I use l tyrosine supplement for increase dopamine but it gives me heart palpitation and thyroid pain .it normal or bad? I only use it 4 day 500 mg one capsules. I never had any thyroid disorder. It danger?

Supplimenting with tyrosine helps 1.increase level of neurotransmitters dopamine, adrenaline and nor epinephrine. By increasing these neurotransmitters 1.it helps to improve memory 2.performance in stressful situations. Foods rich in tyrosine are .cheese, soyabeans,fish, chicken,nuts, eggs,dairy, beans and whole grains etc there is no such side effects it is good to take these suppliments in optimum dosage.  

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