1) Against Stress
2) The intellectual vitality
3) to increase the natural melatonin levels in the blood
4) To regulate the thyroid function
If you want to tyrosine now considered a pure sleeping pill use and who drives with this article as a solo product not so good, you should combine it to better effect already with melatonin. As with a number of articles it makes and reinforces the combination and optimizes the effect. I go super with the article and am very satisfied, it can only recommend!