Caffeine can slightly increase calcium loss via the kidneys. Avoid drinking heavy amounts of coffee or tea exactly at mealtime, as the tannins can slightly interfere with calcium absorption – Wait about 30–60 minutes.
Caffeine is a naturally occurring central nervous system stimulant found in over 60 plants, including coffee beans, tea leaves, and cacao pods. It is the most widely consumed psychoactive substance in the world.
How It Works
Caffeine primarily works by blocking adenosine, a neurotransmitter that builds up during the day to make you feel sleepy. By occupying adenosine receptors, it increases the activity of other neurotransmitters like dopamine and norepinephrine, leading to improved mood, alertness, and focus