Please do your own research on coca leaf. Some great articles:
http://xpatnation.com/5-things-i-did-not-know-about-coca-leaves/
http://www.spiritsoftheearth.com/the-health-and-nutrition-benefits-of-the-coca-leaf.html
http://www.inkanatural.com/en/arti.asp?ref=coca-leaves-blog-en
Please do your own research on coca leaf. Some great articles: http://xpatnation.com/5-things-i-did-not-know-about-coca-leaves/ http://www.spiritsoftheearth.com/the-health-and-nutrition-benefits-of-the-coca-leaf.html http://www.inkanatural.com/en/arti.asp?ref=coca-leaves-blog-en