Ted Kallmyer

Caffeine Expert and Editor

B.A., M.Ed. ISSA Certified Specialist in Fitness Nutrition with 12 years of experience as a biology/health educator for the public school system. Currently serves as a healthy eating and exercise advocate who loves educating people about what's in their food and how to live healthier lives. Based in Oregon, USA and also serves as a certified sports nutrition coach for Healthyeater.com.

https://healthyeater.com/about

Health Why Different Caffeinated Drinks Vary in Alertness Effects

Discover why a 150mg energy drink can feel more stimulating than 400mg coffee. Learn about caffeine absorption, synergistic ingredients, and individual metabolic factors affecting alertness.

#caffeine
#coffee
#energy-drinks
#health
#metabolism
#psychology

2 answers• 1 view

05/23/2026, 10:06 AM