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         598530AJLXXX10.1177/1559827615598530American Journal of Lifestyle MedicineAmerican Journal of Lifestyle Medicine
         research-articleXXXX
                                                          American Journal of Lifestyle Medicine                                                                                                                                                                                                                                                                                                                                                                                                                 Nov • Dec 2015
                                                                                                                                                                                                                                                                                         Mary Ellen Bingham, MS, RD, CSSD, Mimi E. Borkan,  
                                                                                                                                                                                                                                                                                                                                                                                 and Paula A. Quatromoni, DSc, RD
                                                                                                                Sports Nutrition Advice for 
                                                                              Adolescent Athletes: A Time to 
                                                                                                                                                                                             Focus on Food
                                                      Abstract: Adolescents participating                                                                                                                                    points that health professionals can use                                                                                                                               performance in sport. This advice is 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1
                                                      in sport have high demands for                                                                                                                                         in brief interactions with patients and                                                                                                                                built on the US Dietary Guidelines,  
                                                      nutritional adequacy to meet their                                                                                                                                     families are provided to endorse key                                                                                                                                   which promote a nutritionally balanced 
                                                      needs for growth, development, wellness                                                                                                                                behavioral strategies that young athletes                                                                                                                              eating pattern containing a daily variety 
                                                      and athletics. Nutritional risk can                                                                                                                                    can adopt to achieve peak athletic                                                                                                                                     of nutrient-dense foods. Before bringing 
                                                      be quite high in this population due                                                                                                                                   performance and optimal nutritional                                                                                                                                    sport-specific advice into the 
                                                      to their unique needs, low access to                                                                                                                                   status.                                                                                                                                                                conversation, the building blocks of 
                                                      credible information and nutrition                                                                                                                                                                                                                                                                                                            healthy eating and nutritional adequacy 
                                                      professionals, and misinformation in                                                                                                                                   Keywords: nutrition; adolescent;                                                                                                                                       must be in place. Although athletes 
                                                      the media and marketplace specifically                                                                                                                                 sports; RED-S; disordered eating                                                                                                                                       certainly have enhanced and often 
                                                      targeting athletes. Physicians and other 
                                                      health professionals have an opportunity                                                                                                                                                                   Before bringing sport-specific advice 
                                                      to communicate nutrition facts and 
                                                      make evidence-based recommendations                                                                                                                                                                                    into the conversation, the building 
                                                      about healthy eating in the setting 
                                                      of their ongoing interactions with                                                                                                                                                                                                          blocks of healthy eating and 
                                                      adolescent athletes and their families. 
                                                      The purpose of this review is to describe                                                                                                                                                                                       nutritional adequacy must be in 
                                                      the nutritional needs of adolescents 
                                                      participating in sport and highlight                                                                                                                                                                                                                                                                                           place.
                                                      the potential for nutritional risk. 
                                                      Endorsed by professional organizations, 
                                                      our recommendations emphasize a 
                                                      balanced eating pattern that includes                                                                                                                                        Sports Nutrition for                                                                                                                                             unique nutritional needs that are 
                                                      a wide variety of fresh, minimally                                                                                                                                           Adolescents                                                                                                                                                      specific to their sport and their training 
                                                      processed whole foods. Our approach                                                                                                                                                                                                                                                                                                           regimens, proper nutrition to support 
                                                      is to empower and teach adolescents                                                                                                                                          Nutrition advice for adolescent athletes                                                                                                                         adolescent growth is necessary at the 
                                                      to take responsibility for planning,                                                                                                                                   has, at its foundation, the principles of                                                                                                                              core of any strategy to improve sports 
                                                      preparing, and providing themselves                                                                                                                                    sound nutrition focused on adequacy to                                                                                                                                 performance. Because of their distinct 
                                                      consistent access to foods and fluids                                                                                                                                  support the adolescent’s needs for                                                                                                                                     needs and transitional life stage, 
                                                      that deliver nutrients needed for proper                                                                                                                               growth and development in addition to                                                                                                                                  adolescent athletes are vulnerable to 
                                                      fueling and recovery. Specific talking                                                                                                                                 increased needs for training and                                                                                                                                       nutritional risk, fad diets, disordered 
                                                      DOI: 10.1177/1559827615598530. Manuscript received July 1, 2015; accepted July 6, 2015. From Miami Dolphins, Miami, Florida (MEB); University of New Hampshire, 
                                                      Durham, New Hampshire (ME Borkan); and the Department of Health Sciences, Boston University, Boston, Massachusetts (PAQ). Address correspondence to: Paula A. 
                                                      Quatromoni, DSc, RD, Department of Health Sciences, Boston University, 635 Commonwealth Ave, Boston, MA 02215; e-mail: paulaq@bu.edu.
                                                      For reprints and permissions queries, please visit SAGE’s Web site at http://www.sagepub.com/journalsPermissions.nav.
                                                      Copyright © 2015 The Author(s)
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               vol. 9 • no. 6                                                                                                American Journal of Lifestyle Medicine
                                                                                                                                                     19,20
             eating, and marketing scams for                  disordered eating or clinical eating            maturation of youths and adolescents       
             nutritional products that promise fast           disorders, referral to an RD is                 and maintenance of a healthy body 
                                                                                                                     10-12
             results or improved performance despite          recommended. In all cases, we                   weight.     These nutritional goals can be 
             the lack of an evidence base behind              specifically recommend a nondiet                met by including a predominance of plant 
                                                                                            14
             most claims.                                     approach to sports nutrition  that is           foods in the daily diet, specifically fruits, 
               For athletes, there are no shortcuts or        weight neutral and centered on                  vegetables, whole grains, legumes, nuts, 
             substitutes for proper nutrition for             respecting body shape and size                  seeds and unsaturated vegetable oils; 
                                                                       15
             optimal performance in sport.                    diversity,  promoting a holistic                inclusion of lean animal proteins, 
             Supplements and functional foods will            approach to achieve wellness and                specifically low-fat dairy foods that 
             never overcome the deficits of poor              athletic goals, and that is grounded in         provide vitamin D and calcium, fish, 
                                                                                  16
             nutrition for an athlete. The needs of           eating competence  and intuitive,               poultry, and iron-rich lean meats; and 
                                                                              17,18
             adolescent athletes are different from the       mindful eating.                                 moderation of foods high in saturated or 
             needs of adults and professional athletes,                                                       trans fats, sodium, and added sugars. In 
             and the needs of competitive athletes are         Healthy Eating Advice                          general, no vitamin and mineral 
             different from those of recreational              for Adolescent Athletes                        supplements are required if an athlete is 
             athletes. Athletes in power sports have                                                          meeting energy needs by eating a 
             needs that are different from those in            The nutritional well-being of athletes         balanced diet containing a variety of 
             endurance sports and from those of               depends on knowledgeable food                   whole foods and is maintaining body 
                                                                                                                     9-13
             sprinters. Even within a sport, field            choices. In fact, because of their special      weight.
             players have different needs from                needs for proper fueling and hydration,           To meet such high nutritional needs, 
             goalies, and swimmers have different             athletes are faced with several                 athletes need to fuel their bodies 
                                 2,3
             needs from divers.  Delving into these           opportunities demanding well-informed           frequently throughout the day. This 
             sport-specific nuances is beyond the             food choices every day, at every meal.          involves a daily commitment to 3 meals 
             scope of this review, but there are              Yet many adolescent athletes pay little         and frequent snacks strategically 
             several books written by registered              attention to nutrition and largely              placed before and after workouts, 
             dietitians (RDs) to guide athletes and           underappreciate their protein and               practice, and competition. This level of 
                                              4-8
             practitioners more specifically.                 calorie needs, whereas others are               commitment requires adolescent 
             Nonetheless, the common goal for every           influenced by dieting advice, functional        athletes to prioritize nutrition and 
             athlete is to achieve healthy eating             foods/supplements marketed to athletes,         feeding themselves, taking personal 
             behaviors centered on nutrient-dense             and the desire to achieve either a              responsibility for ensuring ready access 
             and varied food choices, adequate                competitive edge or an idealized athletic       to nutritious foods, snacks, and fluids. 
             hydration, dietary patterns that feature         body type. With the help of a qualified         Selection of foods that are nutrient 
             balanced meals and snacks to properly            sports nutritionist, athletes can learn to      dense, easily digested, and well 
             fuel training and competition and to             meet their nutritional needs with a             tolerated are equally high priorities.
             enhance recovery, and intuitive eating           flexible eating style that balances 
             behaviors that connect mind, body, and           favorite foods with nutrient-rich foods to        Nutritional Risk in 
             performance for the most successful              satisfy hunger, fuel workouts, maximize           Adolescent Athletes
             outcomes.                                        performance, and promote both 
               Whereas functional foods or                    physical health and emotional wellness.           Athletes participating in different sports 
             nutritional supplements may be                    Athletes need a varied and balanced            have unique nutritional needs because of 
             indicated for certain individuals under          eating plan that is adequate in energy,         differences in energy expenditure, 
             certain circumstances and under the              macronutrients, essential fatty acids, fiber,   hydration, and the demands of the sport. 
             supervision of a RD and/or physician,            vitamins, and minerals. Although there are      Challenges and obstacles to good 
             they do not form the basis of sports             professional recommendations that guide         nutrition are also distinct within 
             nutrition, and they are not generally            the appropriate selection of foods and          subgroups of athletes. Eating behavior is 
                                                       9-13
             recommended for adolescent athletes.             fluids for athletes, the timing of nutrient     highly personal, yet heavily influenced 
              A diet based on fresh and minimally             and fluid intake relative to exercise and       by environment and important others, 
              processed whole foods is what is                competition, and supplement choices for         including peers, teammates, professional 
              advocated by professional organizations,        optimal health and sports                       athletes, coaches, celebrities, and the 
                                                                           10-12
              including the Academy of Nutrition and          performance,      the underlying principles     media. As such, unhealthy behaviors and 
              Dietetics and the American College of           of sound nutrition for health promotion in      nutrition misinformation can set an 
                               10-12
              Sports Medicine.      For athletes whose        the general adolescent population form          athlete on a path that could undermine 
              goals include weight management or              the foundation of dietary advice for those      athletic performance, contribute to sports 
              altering body composition to either             who participate in sports. The eating           injuries, and have serious health 
              build muscle mass or lose body fat or           pattern that is recommended is one that         consequences. These circumstances 
              for athletes who have developed                 allows growth, development, and                 introduce vulnerability to nutritional risk 
                                                                                                                                                           399
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                American Journal of Lifestyle Medicine                                                                                     Nov • Dec 2015
                that spans a spectrum and can include         and activities of daily living, growth,       successfully translate these guidelines 
                dieting, restrictive eating, disordered       and supporting activities.23 The resulting    from nutrients to foods, and from science 
                eating (anorexia nervosa, bulimia             package of low energy availability,           to practice.
                nervosa, binge eating disorder, anorexia      disordered eating behavior, and                 Recognizing nutritional risk and 
                athletica, and orthorexia nervosa),           pathological weight control measures          making referrals to RDs is essential for 
                misuse of nutritional supplements,            that may include starvation, excessive        those in need of nutrition assessment 
                “uninformed” vegetarianism, and a             exercising, purging, or laxative abuse,       and counseling. This task is a priority for 
                variety of unhealthy weight-cutting           often driven by body image                    physicians and other health 
                practices that can sabotage athletic          dysmorphia, results in hormonal and           professionals who work with adolescent 
                performance.                                  metabolic imbalances, serious medical         athletes. In addition, having proactive 
                 Adolescent athletes are quite vulnerable     complications, sports injuries, and           conversations with youths and families 
                to the ill effects of suboptimal nutrition.   impaired athletic performance.24              to share evidence-based advice about 
                Not only is their performance in sport          Adolescent athletes are vulnerable to       healthy eating is a strategy that can 
                threatened, but their growth,                 the pressures of competitive sports and       promote wellness, prevent injury, and 
                development, and maturation can be            the demands of physical training on           help athletes achieve their goals in sport. 
                impaired by poor nutrition. Among the         their still-developing bodies as well as      Appropriate messages that physicians 
                special issues that physicians caring for     the influence of coaches, teammates,          and other health professionals can 
                adolescent athletes are urged to address      peers, parents, society, culture, and the     convey in brief interactions to endorse 
                are nutritional needs and supplement          media. There is tremendous pressure,          healthy habits for adolescent athletes are 
                use. While focusing on achieving healthy      for example, exerted by society and the       summarized below. In general, strategies 
                body weights and avoiding use of              media that idolizes thinness and an           that promote positive and empowering 
                supplements and ergogenic aids, a 2008        ideal body image—one that is far              messages that encourage adolescents to 
                consensus statement for team physicians       different from the average adolescent         take responsibility for feeding 
                made a clear recommendation to                athlete’s body size or shape. This is not     themselves and to focus on foods to 
                emphasize health and performance over         only an issue for female athletes who         include to maximize nutrition, rather 
                weight goals and to understand the            perceive the need to diet, but also for       than focusing on foods to restrict or 
                impact of pathological weight behaviors       male athletes who are faced with the          avoid, are recommended.
                on adolescent growth and development.13       challenge of developing “abs of steel.” 
                 Three major concerns are iron                Adolescents do not necessarily have               Fill your plate with fresh food: 
                deficiency anemia, compromised bone           the nutrition knowledge to practice                  Reflect on your food choices and 
                health, and disordered eating/eating          sports nutrition, nor do coaches who                 consider how many of the things 
                disorders. A well-described combination       most typically coach at the middle                   you eat come from packages that 
                of risk factors known as the female           school or high school level. Taken                   you simply tear open and eat, or 
                athlete triad consists of inadequate food     together, there is tremendous potential              heat and eat. For good health 
                intake, amenorrhea, and reduced bone          for misinformation and pressure for                  and sports performance, it is time 
                                21,22
                mineral density.     This triad poses a       dieting behavior or supplement use.                  to shift the balance to include 
                specific threat to athletes in both the       The risk for disordered eating and                   real foods like fresh fruits, fresh 
                short and long term because the               eating disorders is high in the                      vegetables, nuts, beans, dairy, 
                opportunity to reach peak bone mass                                           25,26
                                                              adolescent athlete population.                       lean meats, chicken and fish, and 
                can be negatively affected by poor                                                                 minimally processed whole grain 
                nutrition during adolescence. In an             Role of Physicians                                 foods in your daily diet. Fuel 
                updated definition acknowledging that           and Other Health                                   your body with food, not with 
                male athletes are similarly affected, the       Professionals                                      supplements and energy drinks 
                triad was described as one piece of a                                                              or other sports products that 
                more comprehensive syndrome called              For nutrition advice to be adopted and             masquerade as food.
                RED-S (Relative Energy Deficiency in          sustained by adolescents, it must be food         Eat to compete: Athletes need to eat 
                Sport). RED-S consists of “impaired           based, practical, achievable, and                    breakfast, lunch, and dinner with 
                physiological function including, but not     personally relevant. Yet sports nutrition            snacks in between to be properly 
                limited to, metabolic rate, menstrual         guidelines are oftentimes nutrient based,            fueled for performance. Skipping 
                function (in females), bone health,           framed in technical terms involving                  meals is not a strategy for success. 
                immunity, protein synthesis, and              mathematical equations, and highly sport             Break your overnight fast 
                cardiovascular health caused by relative      specific, leaving athletes confused and              (“breakfast”) with a balanced 
                energy deficiency” (p. 491) where an          misinformed, unable to translate the                 meal. Follow this simple meal-
                imbalance occurs between dietary              advice to their own personal needs and               building strategy to create 
                energy intake and energy expenditure          vulnerable to adverse outcomes. The role             balanced meals including these 
                required to sustain homeostasis, health       of the nutrition professional in sport is to         key components:
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              vol. 9 • no. 6                                                                                        American Journal of Lifestyle Medicine
                                                                                                            maintaining weight in a healthy 
                 Protein                      Carbohydrate              Fruit/Vegetable                     range, seek help from a physician, 
                                                                                                            qualified health professional, and/
                 Peanut butter              Whole grain bread    Banana                                     or registered dietitian. AJLM
                 Greek yogurt               Granola              Fresh berries
                 Scrambled eggs             Tortilla or pita     Diced peppers and onions              References
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