tyrosine

I've been popping half a gram of l-tyrosine with my t4 each morning, temperature rises much faster. Reading 98.x most mornings by 7:30. Any drawbacks to this?

I gave the first try out to a new supplement stack, which apart from creatine which I take every day, contains things I have either taken sporadically or not at all. Each was selected for it's own supposed benefits, and I thought of making up a single bottle with the following and about 500ml...