If you are looking to improve your metabolism or increase daily energy levels, you may want to consider getting a B12 injection from Cratos in Colorado Springs. B12 plays a large role in helping the body adequately convert carbohydrates into energy. If you experience chronic fatigue in Colorado Springs, and no matter what you do, you are still tired, there is a possibility you may have a vitamin B12 deficiency. B12 shots offer a number of reported health benefits and might be able to help you achieve your health goals in Colorado Springs.