Kranker ephedra free. Kranker is featured as the best fat burner on the market containing coleus forskolhii, an herb promoting ultimate fat burning. Plus this product is strong and long lasting without jitters...It only takes one! Kranker ids. Serving size - 1 capsule servings per bottle - 60. Guarana 350mg. Proprietary blend 555mg. Citrus arantium, green tea, bioperine, coleus forskolii. Naringin 50mg. Ingredients: gelatin, magnesium stearate, silica.