Are they Worth the
ENERGY?
Energy drinks
OBJECTIVES
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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?
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‘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
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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:
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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. [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
Caffeine+Alcohol
More alcohol with
less drowsiness &
fatigue
More alcohol
More caffeine
Are they Worth the
ENERGY?