I had her swap out her coffee for a strong caffeinated tea (like Earl Grey, pu-erh, yerba maté, or English breakfast) that has a nice lick of caffeine, but only one-third to one-half the amount that she would find in coffee. I told her she could even double up on the amount of tea for the first few days, because it’s not just about the caffeine itself, it also matters what form it is in. Caffeine from different substances impacts the body differently. The source, processing, and consumption method of any caffeinated product will determine how much caffeine your body receives and how quickly
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