If you are thinking of starting amino acid supplements, then it is vital to have information about side effects and dangers associated with taking amino acid supplements. Amino acids play a vital role in building proteins. And proteins are vital for healthy muscles and bones and also help in maintaining good immune system. However, today due to the craze of becoming thinner has increased people’s dependence on amino acid supplements. Also, people who thrive on vegetarian diet have deficiency of amino acids in their body and they have to depend on amino acid supplements.  Amino acid supplements are beneficial for health but it is important to note that some amino acids like tyrosine in high dosage have been studied to have side effects like rapid heartbeat, restlessness and anxiety. The three vital amino acids form, branched chain amino acids and they are valine, leucine and isoleucine. These are good for health. However, overdose of same in patients of kidney or liver problems can cause serious side effects. Thus, it is vital that you must try to fetch most of the amino acid requirements from the diet to have every day. And only when there is a deficiency, you may consult the doctor and buy a good brand of amino acid supplement.