1 L-tyrosine, 500 mg, 2 - 3 times daily. 2  The thyroid gland combines tyrosine and iodine to make thyroid hormone. 3  If you are taking prescription thyroid hormone medication, you should only take L-tyrosine under the direction of your doctor.4  Do not take L-tyrosine if you have high blood pressure or have symptoms of mania. L-tyrosine, 500 mg, 2 - 3 times daily. 2  The thyroid gland combines tyrosine and iodine to make thyroid hormone. 3  If you are taking prescription thyroid hormone medication, you should only take L-tyrosine under the direction of your doctor.
Interestingly, the majority of people I see in my travels that are taking vitamin D are taking 1,000 units, and they believe they are taking âhighâ doses. Donât fool yourself, as an adult, you likely need about 8,000 IUs a day. Some also worry that if they are in the sun that they will overdose on vitamin D.
Taking vitamin D once a day may be more reliable than taking seven times the dose once a week. Youâll probably remember it better on a daily basis. If you forget to take the pill one day, just take two the next day. Drugs that interfere with vitamin D absorption.