Are you wanting more energy from your coffee or only more caffeine? There is a BIG difference and the distinction between the two and the effects of each are on the opposite ends of the spectrum when it comes to enhancing your ability to concentrate and focus.
Caffeine alone is a powerful stimulant and in a lower dose can be beneficial in awakening the human body and mind, but in a higher dose, can have the opposite effect and make you feel jittery, nervous, paranoid, and scattered with your mind (caffeine overdose).
The type of coffee that delivers the highest dose of caffeine is called ROBUSTA. It has almost twice the caffeine content as the higher quality coffee known as ARABICA. For a more detailed comparison.
Coffee contains A LOT more than caffeine when it is consumed fresh after it is roasted. Arabica coffee in particular seems to have a much better combination of elements in the propoer doses that makes it the highly preferred choice and is what the vast majority of Specialty Coffee Cafe’s and brands use. However, if the Arabica coffee has been sitting for awhile after it is roasted (whether its in a vacuum sealed bag or not), the beneficial substances other than caffeine have already left and are no longer available. Most coffee in the world is consumed like this.
If you want to get the most energy from your coffee, drink fresh roasted 100% Arabica. If you want a higher caffeine dose, drink fresh roasted Robusta. Experiment to find which one is best suited to you!
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