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VEGETARIAN AND VEGAN DIETS FOR ATHLETES PowerPoint Presentation

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Description : Check out this medical presentation on Plant-Based Diet, which is titled "VEGETARIAN AND VEGAN DIETS FOR ATHLETES", to know about vegetarian/vegan diets, potential dietary benefits of vegetarian or vegan diets, and nutrient considerations for athletes.

Tags : Plant-Based Diet, vegetarian, vegan diets, dietary benefits, nutrient considerations, athletes

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VEGETARIAN AND VEGAN DIETS FOR ATHLETES Lecture content provided by GSSI, a division of PepsiCo, Inc. Any opinions or scientific interpretations expressed in this presentation are those of the author and do not necessarily reflect the position or policy of PepsiCo, Inc.
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Lecture Outline Vegetarian/Vegan Diets Defined Potential Dietary Benefits Nutrient Considerations for Athletes Practical Applications
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VEGETARIAN & VEGAN DIETS DEFINED
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Types of Vegetarian Diets Larson-Meyer DE. Sports Science Exchange. 2018;29(188):1-7
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Reasons for Vegetarian & Vegan Diets Athletes elect to follow a vegan/vegetarian diet for a variety of reasons, including: Health Environmental Ethical Philosophical Religious/Spiritual
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Vegetarian/Vegan Trends Nationwide polls in the U.S. suggest that ~3.3% of adults are vegetarian or vegan ~46% of all vegetarians in the U.S. are estimated to be vegan Among athletes, a survey from the 2010 Commonwealth games found that 8% of international athletes reported eating vegetarian diets, with 1% being vegan Google Trends Search for search term hits for “vegan”, “vegetarian” and “meat” in Germany, the USA, and the UK from 2004-2019 (Medawar et al., 2019) Pelly FE & Burkhart SJ. Int J Sport Nut and Exerc Metab. 2014;24(1):28-36 Vegetarian Resource Group, 2016
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POTENTIAL DIETARY BENEFITS
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Potential Benefits Vegetarian/vegan diets associated with a risk of: Obesity Hypertension Cardiovascular disease Type 2 diabetes Cancer mortality Melina V, Craig W, Levin S. J. Acad. Nutr. Diet. 2016;116:1970-1980
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Enhanced Performance? It has been hypothesized that vegetarian diets improve athletic performance due to higher consumption of: Carbohydrate Antioxidants/Phytonutrients However, there is little research evidence to confirm these claims Akers, W. (2019). Elite Athletes Are Going Vegan. Will It Help You?. Healthline Craddock JC, Probst YC, Peoples GE. Int J Sport Nutr Exerc Metab. 2016;26:212-220 Trapp D, Knez W, Sinclair W. J Sports Sci. 2010;28:1261-1268
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To help ensure optimal performance, vegetarian/vegan athletes must consume: Adequate energy; and Foods rich in essential nutrients that are less abundant in vegetarian foods (or are not as well absorbed from plant compared to animal sources) Dietary Essentials for Performance
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NUTRIENT CONSIDERATIONS FOR ATHLETES
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Carbohydrate Overall, the carbohydrate needs of vegetarian/vegan athletes do not differ from non-vegetarians Recommended daily intake: 5-10 g/kg/day for most athletes performing moderate to high-intensity exercise of ~1-3 h/day Intake of adequate carbohydrate should be emphasized in light of low carb diets that may be appealing to vegetarian athletes Thomas DT, Erdman KA, Burke LM. Med Sci Sports Exerc. 2016;48:543-568
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Common Carb Sources for Vegetarian Athletes Grain products Fruits Juices Starchy vegetables Sports products (beverages, gels, bars)
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Protein Protein requirements vary according to training level and activity type, ranging from 1.2-2.0 g/kg/day Vegan athletes should consume a variety of plant-based protein sources to help ensure adequate intake of protein and essential amino acids* *Adequate intake may be easier for lacto-ovo vegetarians Thomas DT, Erdman KA, Burke LM. Med Sci Sports Exerc. 2016;48:543-568
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Plant-Based Protein Sources Soy products (e.g. tofu, tempeh, etc.) Beans Lentils Nuts and seeds Most grains (e.g. quinoa)
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Lacto-Ovo Vegetarian Protein Sources Milk Yogurt Cheeses Cottage cheese Eggs
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Fat Fat intake should be in accordance with public health guidelines Vegetarian diets are typically rich in omega-6 fatty acids; therefore, athletes may benefit from omega-3 rich foods High-fat, low carb diets have been shown to compromise performance during high-intensity activity, and thus should be avoided Thomas DT, Erdman KA, Burke LM. Med Sci Sports Exerc. 2016;48:543-568 Li D. Chin Med J. 2003;116:453-458
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Plant-based Sources of Fat Nuts (e.g. almonds, walnuts, peanuts, etc.) Avocados Oils (e.g. olive, canola, sesame, etc.) Flax seed Chia seed Hemp seed
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Micronutrients Athletes should pay attention to certain nutrients found less abundantly in plant-based foods, including: Iron, zinc, calcium, vitamin D, iodine, vit. B-12, and riboflavin If necessary, consumption of fortified foods or supplementation should be considered Melina V, Craig W, Levin S. J Acad Nutr Diet. 2016;116:1970-1980
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Avoiding Low Energy Availability Some evidence suggests relative energy deficiency in sport (RED-S) may be more common in vegetarian athletes This may be due to consumption of low energy-dense, high-fiber plant foods coupled with high training demands Adequate energy intake should be emphasized for these athletes Performance consequences of RED-S Mountjoy M, et al. Br J Sports Med 2014;48:491–497. doi:10.1136/bjsports-2014-093502 Larson-Meyer DE. New York, CRC Press. 2018 Craig WJ. New York, CRC Press. 2018
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PRACTICAL APPLICATIONS
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Tips to Help You Guide Athletes Athletes should be encouraged to eat a diet that contains a variety of plant foods, including whole and enriched grain products, fruits, vegetables, protein-rich plant foods, and (if desired) dairy products and eggs Properly educate vegetarian/vegan athletes on sources of both macro- and micronutrients that fit their personal preferences and values Ensure the athlete is not practicing a vegetarian/vegan diet in order to mask an eating disorder, as this is a serious mental illness that can impair health and athletic performance
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Vegetarian Sources of Key Nutrients Larson-Meyer DE. Sports Science Exchange. 2018;29(188):1-7
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Vegetarian Sources of Key Nutrients Larson-Meyer DE. Sports Science Exchange. 2018;29(188):1-7
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Complementary Proteins for Vegan Athletes Below is a list of options combining multiple plant protein sources to help improve delivery of essential amino acids. Zabka-Belsky C. GSSI Sports Nutrition 101: Vegan Fueling Strategies and Complementary Proteins (Handout). 2018
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What is an example of a nutritious breakfast for a vegetarian athlete?
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Sample 3,000 kcal Lacto-Ovo Vegetarian & Vegan Diet Larson-Meyer DE. Sports Science Exchange. 2018;29(188):1-7
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SUMMARY With proper planning, vegetarian and vegan athletes are able to meet their energy/nutrient needs on a diet that contains a variety of foods Depending upon food preferences, eating patterns, and training load, the diet of some athletes may contain suboptimal amounts of certain nutrients (e.g. total energy, protein, omega-3 fatty acids, calcium, vitamin D, iron, zinc, riboflavin, and vitamin B-12) In such cases, athletes can generally improve nutrient status through careful selection of foods containing the nutrient(s) they lack and a supplemental source when appropriate There is currently limited evidence that vegetarian/vegan diets are better than omnivorous diets for improving athletic performance