Supplement with high caffeine content 250mg per serving contains green tea which can help to burn fat can also be taken pre workout contains green tea bitter orange guarana l tyrosine l carnitine caffeine medi evil use only the highest quality ingredients in both extract and standard form medi evil excalibur metabolic magic contains green tea which can help to burn fat recommended use for best results take one to two capsules in the morning 1 hour before food every da