Medievil excalibur is a thermogenic weight management supplement it contains 100 active ingredientsr each serving contains 500mg of green tea and 250mg of caffeine caffeine is known to help with mental focus and alertness due to it sedating a receptor in the brainr medi evil excalibur fat burner features a variety of the high quality and clinically researched ingredients powerful enough to be used as a pre workout enhancer suitable for both men and womenr the 500mg bitter orange 150mg g