Black Burn 2 Black Burn 2 Excellent product, unbelievable results … I recommend 30-60 minutes before breakfast on an empty stomach and 20-30 minutes (at least 45 minutes on an empty stomach) before training at the sports school! XTR.gr Greece Mark2021-01-04T10:39:55+01:00January 22nd, 2018| About the Author: Mark Webmaster Stacker2Europe.com