Well oxalate levels between Black and Green tea is pretty huge it appears. > black tea in tea bags and loose tea leaves were 4.68 and 5.11 milligrams per gram

Well oxalate levels between Black and Green tea is pretty huge it appears. > black tea in tea bags and loose tea leaves were 4.68 and 5.11 milligrams per gram of tea. Green teas and oolong tea had lower oxalate amounts, ranging from .23 to 1.15 milligrams per gram of tea. http://blogs.webmd.com/healthy-recipe-doctor/2008/06/tea-and-kidney-stones.html http://blogs.webmd.com/healthy-recipe-doctor/2008/06/tea-and...