Estrogen: Your New Training Partner
Read how estrogen can help you reach your fitness goals!
Author
Jason Karp, PhD
Owner, Run-Fit, LLC Creator, REVO₂LUTION RUNNING™ certification Bestselling Author, Run Your Fat Off & 7 other books 2011 IDEA Personal Trainer of the Year USA National Team Member, 2013 Maccabiah Games http://run-fit.com Follow Dr. Jason Karp and Run-Fit on Facebook, Twitter, Instagram