THE WEB IS FUN
What is the "Invisible Web", a.k.a. the "Deep Web"? The "visible web" is what you can find using general web search engines.
The calculator is based on the amount of the product in your system at one time. Obviously your stomach cannot hold the amount of liquid required. However medications with caffeine can be dangerous. Be wise. We have all caffeinated food in our database. Try entering Hershey or Energy Gum