Caffeine is a crystalline xanthine stimulant
drug that is found in the seeds, leaves, and fruits of various plants.
Originally, these plants contained caffeine because it acts as a natural pesticide, however, tea leaves and coffee beans were soon discovered to have an “energizing” effect and began to be harvested in masses for human stimulant use.
Common sources of caffeine include:
Far from its original use, research suggests that 90% of Americans drink at least a cup and a half of caffeine daily, and what you may not know is that guarana, cocoa, and yerba mate are commonly incorporated into weight loss supplements due to their high concentration of caffeine.
So why are so many people obsessed with this drug, and why is being incorporated into so many different weight loss supplements?
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