Consuming caffeine above baseline can potentially lead to anxiety and a withdrawal effect lasting 24-48 hours.

“Understand that any time you go above baseline with your caffeine intake, there's the potential of some anxiety. Understand that there's going to be a slight withdrawal effect that lasts about 24 to 48 hours. Battle through that short period, and you'll be right back where you started and where you need to be so that you can enjoy caffeine on a daily basis and derive the benefits because there are many benefits to drinking caffeine and avoiding some of the potential hazards.”