I can think of a few reasons why that might be. You might typically drink more soda than coffee in a sitting, so you just might ingest more caffeine when you dr

I can think of a few reasons why that might be. You might typically drink more soda than coffee in a sitting, so you just might ingest more caffeine when you drink soda. It’s also possible that coffee has some alkaloids that moderate the release of caffeine into your system, the same way that tea and coffee do. Finally, you might drink varieties and brews of coffee with low caffeine, such as darker roasts and mild brews.