Are they Worth the
Energy drinks
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
• Recognize caffeine product marketing
Julie’s Story
• 1st visit: Needs to cut
– Extreme dieting ‘just not
– Food journal, restrictions
• 2nd visit ‘vitamin
– ‘just vitamins &
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
• Supplement was recommended by coach
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
Tea leaves
Cocoa bean
Kola nut
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 &
• 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
• 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
Nausea & Vomiting
Electrolyte abnormality
Increased intracranial pressure
Cerebral edema
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:
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. [6]
• 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. [7]
– 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. [8]
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
More alcohol with
less drowsiness &
More alcohol
More caffeine
Are they Worth the