Nutritional Supplementati

Dietary Supplements
Products intended to supplement the
diet that contain at least one dietary
ingredient to include:
Herbs or other botanicals
Amino acids
and substances such as enzymes, organ tissues,
glandulars, and metabolites
Dietary Supplements
These products are taken by mouth.
These products are found in many forms to
Dietary Supplement Health and
Education Act 1994
• As a result of this act, dietary supplements are no
longer regulated as foods and are not subject to
pre-market safety evaluations.
• The product must be labeled as a dietary
• Information on the product label must not
represent the product as a conventional food or a
sole item of a meal or diet.
• Allows for product labeling claims as long as it
does not diagnose, prevent, treat or cure a
specific disease.
Dietary Supplement Health
and Education Act 1994
• While the statements must be truthful and not
misleading, there is not a review/approval
process by the FDA.
• The manufacturer is responsible to ensure the
product is safe.
• Manufacturers/distributors are not required to
record, investigate or forward to the FDA any
reports of injuries or illnesses that may be
related to use of their product.
General Concerns
• Without regulatory control there is a buyer
beware market
• Dietary supplement advertisements can be
misleading and deceptive
• Claims of effectiveness may not be credible
• The concentration and quality of active
ingredients can differ from product to product
• Dietary supplements may adversely interact
with each other as well as prescription
• Dietary supplements are often utilized as a short
cut to optimal nutritional practices.
Research Concerns
• There is a lack of quality peer reviewed
research on human subjects.
• The high dosages, utilized by athletes, have
not been well studied.
• The long term side effects are not well
studied, if at all.
• Research has not been equally completed
on men, women and adolescents.
Pre-workout supplements are designed
to give you nutrients to enhance your
 Increased blood flow, better mental
focus, enhanced muscle pumps and
increased energy are just some of the
reasons why more people are using preworkout supplements
Common Pre-workouts
C4 extreme
 Jack3d
 Animal Rage
 1.M.R
 Assault
 N.O.-Xplode
 Nitroflex
 SuperPump Max
You want to be focused, driven and
energized when you hit the gym.
Whenever you hit the gym fatigued or
unmotivated - or both - it's harder to push
out those reps.
Using a Pre-Workout claims:
Sharpen mental alertness and focus
Skyrocket energy levels
Circulate oxygen flow in the muscle tissue
Promote Explosive muscular energy
Promote vascular pumps
Active Ingredients
Most Pre-workouts contain the following:
Caffeine: supports fast metabolism, focus, mental clarity, fat
loss, focus and strength.
L-Arginine: used to promote nitric oxide, which is a
vasodilator. This supports oxygen flow and helps your blood
vessels expand within a normal range. L-Arginine may also
help you recover faster from your workouts, which means fast
Beta-Alanine: decreases fatigue during muscular activity,
which pushes muscles harder and longer. Beta-Alanine may
help maximize protein synthesis and promote muscular
endurance and performance during exercise.
Other Ingredients: Creatine, other amino acids,
carbohydrates, natural herbs, and vitamins or minerals
Weight loss/Fat Burners
Fat loss supplements have been
specifically designed to support goals of
losing fat.
They are designed to…
 Optimize metabolism
 Decrease food cravings
 Support energy levels
 Maintain lean muscle mass
Common Fat Burners
 Hydroxycut
 SuperHD
 RoxyLean
 Hyper Shred
 Lipo 6
Combined with a healthy diet fat burners can
produce many helpful benefits to aid in
weight loss.
This includes
 Target your body fat receptor sites and
release stored fat
 Boost your energy, focus, and
 Minimize food cravings
Active Ingredients
Most fat burners contain the following:
Blend of natural ingredients such as oils, roots
and plant extracts, stimulant free fat burners
optimize fat burning. Such as green tea extract,
L-carnitine, CLA (Conjugated Linoleic Acid),
ginger, cayenne and grapefruit
 Stimulants and thermogenics such as
Caffeine, Yohimbine, Synephrine and Guarana.
 Background:
 Next to water, protein is the 2nd most rich substance
in the human body
 Proteins are linked amino acids that occur naturally
in foods
 Example foods that contain protein include: meats,
fish, poultry, milk, soybeans
 Protein supplementation can include: powders,
shakes and bars
Protein Supplementation
 Claims
 Improved muscle growth and
○ Increased weight gain
○ Increased lean muscle mass
○ Increased strength/power
Types of Protein
Whey protein-fast absorbing, support
lean muscle, great post-workout
Soy protein- low fat, low cholesterol,
and vegetarian source
Hydrolyzed whey- digested and
absorbed faster then whey
Whey isolate- low fat, low carb,
Egg protein- high quality lactose-free
source (toned physique)
Micellar casein- slow digesting great
before bed
Potential side effects:
• High protein intake may displace
carbohydrate in the diet possibly
affecting performance
• Increased urinary calcium loss
• Contribute to dehydration
• Due to the stress on the kidneys,
individuals with kidney disease should
avoid high protein diets
• Naturally occurring compound derived
from amino acids
• Found in meat and fish
• Creatine supplementation can include:
powder, candy gum, tablets and gel
Claims include:
 Increase lean body mass
 Increase maximal energy
production/performance (short duration high
intensity exercises – example sprints)
 Delayed fatigue in workouts/competition
 Improved recovery after workouts/competition
Works best for low bouts of
sprinting/cycling/ or multiple sets of low rep
weight lifting
Potential side effects:
 Increased body weight
○ Suspected to be from water weight
 Gastrointestinal upset
○ Upset stomach
○ Diarrhea
○ Nausea
 Muscle cramping and strains
 Dehydration
 Possible kidney effects/overload
Research findings:
• Research is not unanimous; however, creatine
appears to be beneficial in short duration high
intensity exercise (sprints/football/volleyball)
• Has not been found to benefit aerobic exercise
or oxygen carrying capacity (endurance
activities – example 800/1600 meter run)
• People with low to normal creatine stores
respond better with supplementation than those
with normal to high stores
This presentation highlights
only a few of the several
dietary supplements
Remember quality research is
lacking on the effectiveness
and side effects of dietary
As shown, utilization of
dietary supplements is a
buyer beware market as you
are not guaranteed to get the
ingredients that you
purchased or you may get
ingredients that you do not

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