1 Vitamin B12 is found only in animal foods and fortified foods. 2  People who avoid all animal products should look for meat alternatives, such as soy products fortified with vitamin B 12. 3  Ten to thirty percent of older people may not absorb vitamin B 12 well.
Like brewed coffee, whole coffee beans add almost nothing to your caloric intake. As food energy is measured in calories, eating coffee beans will not technically provide you with energy. But coffee beans are high in caffeine, which can make you feel more energetic. Although there is no way to measure this subjective feeling, you need to eat approximately 4 to 6 tablespoons of coffee beans before you feel the energizing effects of caffeine.
The next thing that will happen is that your sugar cravings will increase. As there will be a downslide in energy levels, you will crave for sugar-rich foods. It is better to go for sweet fruits during this time. You will also reach out for a substitute of coffee and might end up drinking herbal tea. The best part is that you will go to sleep early and get up early as well, after having slept well. So, according to research, if you stop drinking coffee, slowly your body will adjust and you will remain refreshed and energized even without coffee.