... developer a very lucrative investment. What is Vitamin D2? Vitamin D2, or ergocalciferol, is a provitamin form of vitamin D that is considered to be as effective as vitamin D3 that is produced naturally by the skin when exposed to ultraviolet light. ...
http://www.hispanicbusiness.com/2013/9/12/entia_biosciences_ergod2_tm_could_effectively.htm
http://www.hispanicbusiness.com/2013/9/12/entia_biosciences_ergod2_tm_could_effectively.htm
