Are they Worth the ENERGY? Energy drinks OBJECTIVES • • • • Recognize common drinks containing caffeine Know the amount of caffeine vs coffee/soda Understand physiologic effects of caffeine Be able to explain potential dangers of caffeine • Recognize caffeine product marketing Julie’s Story • 1st visit: Needs to cut weight – Extreme dieting ‘just not hungry’ – Food journal, restrictions • 2nd visit ‘vitamin supplement’ – ‘just vitamins & minerals’ Julie’s Story • A bucket of powder • 2 scoops into water bottle before competition – Does this w/3 bottles in a row • Supplement contains vitamins, minerals and caffeine • Supplement was recommended by coach Caffein Do you recognize these? Caffeine Drinks Sports Drinks • Contain carbohydrates • Contain salts • Contain stimulants • Contain carbohydrates • Contain salts • Does not contain stimulants – Potentially dehydrating – Potentially hydrating What is caffeine • Blocks adenosine receptors (usually adenosine slows cellular activity) – Release of epinephrine – Increased levels dopamine • Fat soluble – easily crosses into the organs from the blood Where does caffeine come from Coffee beans 1x Tea leaves Guarana 2-3x Cocoa bean Yerbamate 0.1-3x Kola nut Caffeine Why do we like it? • • • • • • ‘Naturally’ occurring Most commonly used stimulant worldwide Enhance Cognitive Performance* Enhance Physical Performance* Marketing promotes feeling of wellness Marketing promotes sense of strength & rebellion • Enjoy the taste of the drink it comes in Physiologic Effects of Caffeine How much caffeine does it have? 6x the caffeine of soda How much is too much? • Response to caffeine & rate of metabolism is individual • Generally fatal doses considered to be • 150-200mg/kg body weight Induce reliance ‘addiction’ Aggravate psychiatric conditions ‘hallucinations’ & mania May cause dehydration Bad for your teeth (sugar) Excess calories Caffeine Intoxication • • • • • • • • Fast heartbeat tachycardia/SVT Nausea & Vomiting Seizure Diuresis Electrolyte abnormality Increased intracranial pressure Cerebral edema Stroke Death CAFFEINE marketing • Who– Who does it? Coca cola, Sport drink companies – To who? adults, young adults, teens, children • What• Products: beverages, tablets, melts • How This is what they claim or say: • • • • Firepower Productivity Unleash the beast It takes BAWLS to be unstoppable • gives wings to people who want to be mentally and physically active and have a zest for life Red Bull Website • Red Bull Energy Drink is a functional beverage. Thanks to a unique combination of high quality ingredients Red Bull Energy Drink vitalizes body and mind. • Numerous scientific studies on the product and the individual ingredients prove that Red Bull Energy Drink: • Increases performance • Red Bull Energy Drink has been developed for people who want to have a clear and focused mind, perform physically, are dynamic and performance-oriented whilst also balancing this with a fun and active lifestyle. • In short, Red Bull gives wings to people who want to be mentally and physically active and have a zest for life. What they claim, what they do • Enhance Cognitive Performance-studies have shown that, when compared against placebo (sugar-free lemonade), consuming energy drinks had no significant positive effect on concentration, reasoning, or aptitude.  • Enhance Athletic Performance-Consumption of energy drinks by both recreational and competitive athletes has increased dramatically in recent years. – Department of Exercise Science at Creighton University sugar-free Red Bull offered no improvement or enhancement of one repetition bench press performance.  – Utah State University determined that a low-calorie caffeine-taurine energy drink did NOT enhance the sprint performance and anaerobic power of the 20 NCAA Division I football players who participated in the research.  Not FDA regulated • Caffeine content of soda is regulated because it is a ‘food’ • Caffeine content of energy drinks is not regulated because it is a ‘dietary supplement’ • Other ingredients in energy drinks also not regulated (guarana, taurine) No age requirement for purchase • Availability • Money spent – Limited resources Cocktails with Caffeine? • Apple Phucker (Cocktail) Apple Pucker, Cranberry Juice, Lime, Red Bull Energy Drink, White Rum • Breakfast Shot (Shooter) Absolut Mandarin Vodka, Jagermeister, Red Bull Energy Drink Cocktails with Caffeine • upper (caffeine) with a downer (alcohol)= a lot more alcohol consumption with less fatigue or drowsiness Caffeine+Alcohol More alcohol with less drowsiness & fatigue More alcohol More caffeine Are they Worth the ENERGY?