Optimum Nutrition Essential Amino Energy Muscle Recovery & Focus - 270g There are times when you want a hefty dose of caffeine for pre-workout performance. But on other occasions, like first thing in the morning or a late afternoon pick-me-up, what youd get from a cup of coffee is more appropriate. ONs Essential Amino Energy offers the best of both with a formula that delivers 100mg of caffeine from natural sources per 2-scoop serving. span class="onWhiteOptimum Nutrition has been spotting the efforts of goal driven individuals since 1986. As one of the few companies to own and operate state-of-the-art manufacturing facilities that are GMP compliant, ON assures that every shake will mix up effortlessly because of its first-to-market instantization process. You also expect each shake to taste the same as the last and your next. Thats the kind of consistency ON delivers. Flavours Available span class="onWhiteFruit Fusion span class="onWhiteOrange Cooler span class="onWhiteLemon & Lime span class="onWhitePineapple span class="onWhiteLime Mint Mojito span class="onWhitePeach Cranberry span class="onWhiteWatermelon span class="onWhiteCola span class="onWhiteIce Tea span class="onWhiteCherry span class="onWhiteSize span class="onWhite270 Grams Model ON-AE-030