Effects of Energy Drinks on Cardiovascular Endpoints

This study is looking at how energy drinks affect the heart and blood vessels in healthy young adults. Participants will consume energy drinks and have their heart activity monitored during study visits. **You may be eligible if...** - You are a healthy adult between 18 and 40 years old - You are willing to avoid caffeine and alcohol for 72 hours before each study visit - You are willing to fast (no food) for 10 hours before study visits - You have active health insurance - You are not pregnant or breastfeeding **You may NOT be eligible if...** - You have any heart condition, diabetes, thyroid disease, kidney or liver problems, or any other significant medical condition - You take any daily medications, supplements, or herbal products - You smoke or use any nicotine or tobacco products - You are underweight - You have an allergy to taurine or nuts - You are currently enrolled in another clinical study Talk to your doctor to see if this trial is right for you.