Sure the sugar and caffeine might make you feel more energized but that feeling is only a temporary spike in blood sugar when it wears off youll crash and feel even worse than before the good news is that there are plenty of natural energy drinks that can ramp up your energy levels without spiking your blood sugar that means no energy crash and no empty calories many of these . Increase your energy and kick the caffeine natural energy boosters ebook dr elisabeth amazonca kindle store. Yerba mate can boost your energy levels in much the same way as coffee but without the caffeine jitters in fact the energizing effects of yerba mate are described as gentle and calm mate drinkers report that they feel more alert but dont experience the crash that coffee can produce its for this reason that many athletes use yerba mate to enhance their physical performance before a . Combining caffeine with l theanine is an effective way to improve your energy levels while reducing the negative side effects and jitters the bottom line life can take a toll on your energy levels