Kegenix Bitter Orange Ephedra has been banned thus other ingredients have already been used to replace this once popular ingredient.One such ingredient is Bitter Orange, but as with Ephedra there have been cases of stroke, chest pain and colitis from those who have taken supplements containing Bitter Orange.Guar gum can help to increase your internal body heat through an activity called thermogenesis. Although this technique helps burn calorie consumption Guar gum provides been linked with anxiousness, addiction, insomnia, gastrointestinal challenges, and heart complications.