Drinks and supplement for sport people
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Transcript of Drinks and supplement for sport people
Drinks and Supplements for
Sportspeople
Agnescia Sera
Outlines
Definitions
What’s inside?
When to use?
Problems
Education & Regulation
Conclusions
A thirst-quenching beverage used in
sports and related activities, to
rehydrate, boost energy and replenish
electrolytes lost to sweating
Sports drink
(Segen's Medical Dictionary, 2012)
What’s in a sports drink?
• Carbohydrate (6-8%)
• Electrolytes
(Na, K, Cl, Ca, Mg)
• Flavour
• Other ingredients
(vitamins, minerals,
protein, herbs)
Fluids other than sports drinks
• Suitable for low intensity or
short duration exercise
• Or in addition to sports drinks
Higher carbohydrate, low in electrolytes
Fluids other than sports drinks
• For those who may prefer to drink water
during exercise
• Lightly flavoured
• Lower carbohydrate and electrolyte
• Suitable for moderate exercise of short
duration
Higher carbohydrate, low in electrolytes
Fluids other than sports drinks
Higher carbohydrate, low in electrolytes
High in carbohydrate
Added ingredients: vitamins, taurine,
glucuronolactone, caffeine
products used to enhance
athletic performance that may
include vitamins, minerals,
amino acids, herbs, or
botanicals (plants) —
or any concentration, extract,
or combination of these
Sports Supplements (ergogenic aids)
(FDA, 2014)
Top 10 Sports Supplements
CreatineCasein-Whey
ProteinOmega-3 FA Antioxidants
PWO recovery drinks
Glucosamine & Chondroitin
Multimineral supplements
Green tea
Over-the-counter
estrogen blockers
Fiber supplements
How do they work?
Increase muscle mass
Increase creatine
phosphate
Reduce stress hormones
Keep immune function stable
Replace water & electrolytes loss
Efficacy?
(a) Peak power output (W · kg-1) for each of the five sprints of the 5 × 6-second test of repeated-sprint ability (RSA), following the ingestion of either sodium bicarbonate (NaHCO3) or a placebo (NaCl).
(b) Muscle lactate values pre and post the RSA test. Values are mean ± standard error of the mean (n = 10). dw = dry weight; * indicates significantly different to placebo (p < 0.05).
Bishop et al., 2014
Before exercise
During exercise
Recovery
When to use?
• Extent of use
Potential risks: dental erosion,
obesity, liver and kidney problems,
muscle cramps, GI disturbance,
anemia
• Misuse
Problems
Education & Regulations
• Knowing when and how to use sports
drinks and supplements so that they
assist with sports nutrition goals
• Sports foods, including bars and drinks,
fall under the control of Food Standards
Australia New Zealand (FSANZ)
• Supplements (pill, potion and powder),
controlled by the Therapeutic Goods
Administration (TGA)
• Sports drinks and supplements might
promote the good performance of sports.
• Their consumption should not be taken
without advice of qualified health
professional.
• The overall performance is actually the
result of many factors, including talent,
training, equipment, diet and mental
attitude
Conclusions
References
Australian Sports Commision 2014, Sports drinks (carbohydrate-
electrolyte drink), AIS Sports Nutrition: Australia.
Australian Sports Commision 2016, Supplements, viewed 27 October
2016, http://www.ausport.gov.au/ais/nutrition/supplements.
Committee on Nutrition and The Council on Sports Medicine and
Fitness 2011, ‘Clinical report: sports drinks and energy drinks for
children and adolescents: are they appropriate?’, American
Academy of Pediatrics, vol. 127, pp. 1182.
Graham, TE 2001, ‘Caffeine and exercise: metabolism, endurance and
performance’, Sports Med, vol. 31 no. 11, pp. 785-807
Jeukendrup, AE 2007, ‘Carbohydrate supplementation during exercise:
does it help? How much is too much?’, GSSI Sport Science
Exchange, vol. 20, no. 3, pp. 106.
References
Segen, C. J. 2012, ‘The dictionary of modern medicine’, The Parthenon
Publishing Group, USA.
Seifert, SM, Schaechter JL, Hershorin ER, Lipshultz SE 2011, ‘Health
effects of energy drink on children, adolescents and young adults’,
Pediatrics, vol. 127, no. 3, pp. 511-528.
Sports Dietitian Australia 2009, Fact sheet sports drink, viewed 27
October 2016, https://www.sportsdietitians.com.au/wp-
content/uploads/2015/04/Sports-Drinks.pdf.
Zhu, Mingjiang 2015, ‘Relationship between sport nourishment
supplement and athletes’ sports abilities’, Journal of Food Science
and Technology, vol. 8, no. 8, pp. 550-553.
Thank You