APK4163: Sport Nutrition and Weight Control

Course Description

APK4163 — statewide title Sport Nutrition and Weight Control — applies nutritional science to exercise and athletic performance: what fuels work, when it should be eaten, and what the evidence actually supports.

The statewide inventory records the course at Florida International University, the University of Central Florida and the University of West Florida. ⚠ Two full descriptions were retrievable and they agree.

Institution	Title	What the entry says
UWF	Sports Nutrition	"Students will examine the fundamental principles of sports nutrition, with an emphasis on evidence-based nutritional strategies to optimize health, fitness, and athletic performance. Topics include human energy systems, optimal nutrient amounts and timing, and weight management strategies in sports." ⚠ Prerequisite: (HUN 2201 OR HUN 1201 OR HSC 2577) AND (APK 3110/L OR PET 3351C). College of Health, Department of Movement Sciences and Health, 3 sh.
FIU	Nutrition for Sport and Exercise Science	"Addresses the aspects of nutrition that are related to exercise performance and health." ⚠ Prerequisites: HUN 2201, or HSC 2100, or HUN 3122; Bachelor of Science in Sport and Exercise Science major or instructor consent.

⚠⚠ Why "evidence-based" is the operative word, and why this course is unusual among applied sciences. Sports nutrition is surrounded by a large, profitable and largely unregulated supplement industry. In the United States, dietary supplements are regulated under the Dietary Supplement Health and Education Act of 1994, which does NOT require pre-market approval for safety or efficacy — ⚠ a manufacturer does not have to prove a product works, or that it contains what the label says, before selling it. The result is a field in which the volume of confident claims vastly exceeds the volume of evidence, and the professional skill this course builds is the ability to tell them apart.

The science, in order. Energy systems — ⚠ the phosphagen, glycolytic and oxidative systems, and the fact that they operate simultaneously with the mix determined by intensity and duration rather than switching on and off, which is the correction most students need. Substrate use: carbohydrate and fat oxidation across intensities, glycogen as the limiting store in prolonged high-intensity work, and ⚠ "hitting the wall" as a physiological event with a name and a mechanism.

The macronutrients, quantitatively. Carbohydrate — requirements scaled to training load, loading protocols, intake during and after exercise, and the glycogen resynthesis window. Protein — ⚠ requirements genuinely higher than the general population's RDA, the evidence on per-meal doses and distribution, leucine and the anabolic response, and the finding that total daily intake matters more than timing for most purposes. Fat — essential fatty acids, and the evidence on low-carbohydrate and ketogenic approaches for endurance, which ⚠ is genuinely contested and should be presented as such.

Hydration and electrolytes — sweat rates and their enormous individual variation, dehydration and performance, ⚠⚠ and hyponatraemia, which is the dangerous error in the opposite direction and has killed endurance athletes who drank too much water. ⚠ This is a Florida-relevant unit in a way it is not everywhere: heat and humidity here make thermoregulation and fluid balance an operational problem rather than a theoretical one.

Supplements, assessed rather than listed. ⚠ The short list with genuine evidence behind it — creatine monohydrate, caffeine, beta-alanine, nitrate/beetroot, sodium bicarbonate — against the very long list without. Plus contamination and adulteration risk, third-party certification programmes, and the anti-doping consequences.

And weight management, which the statewide title names. Energy balance, body composition and its measurement, making weight in weight-category sports, and — treated seriously — the eating disorders and Relative Energy Deficiency in Sport.

Learning Outcomes

Required Outcomes

• Explain the three energy systems and how their relative contributions vary with exercise intensity and duration.
• Explain substrate utilisation — carbohydrate and fat oxidation — across exercise intensities.
• Explain glycogen storage and depletion and their relationship to fatigue.
• Determine energy requirements for an athlete from training load and body composition.
• Explain carbohydrate requirements, loading protocols, and intake before, during and after exercise.
• ⚠ Explain protein requirements for athletes, and the evidence on dose, distribution and timing.
• Explain dietary fat requirements and evaluate the evidence on low-carbohydrate and ketogenic approaches.
• Explain the roles of vitamins and minerals relevant to athletes, particularly iron, calcium and vitamin D.
• Explain fluid balance, sweat rate assessment and hydration strategies.
• ⚠⚠ Explain hyponatraemia, its causes and its prevention, and why over-drinking is dangerous.
• Explain thermoregulation and nutritional strategies for exercise in heat.
• Explain nutrient timing and distinguish where the evidence supports it from where it does not.
• Explain recovery nutrition and the factors affecting glycogen resynthesis and adaptation.
• ⚠ Evaluate dietary supplements against the evidence, and identify the small number with substantial support.
• Explain supplement regulation in the United States and the risks of contamination and adulteration.
• Explain anti-doping rules and the concept of strict liability.
• Explain energy balance and the methods and limitations of body composition assessment.
• Explain weight management strategies in sport, including making weight, and their risks.
• ⚠⚠ Explain Relative Energy Deficiency in Sport and disordered eating in athletes, and describe appropriate referral.
• Explain nutritional considerations for specific populations — youth, masters, female athletes, vegetarian and vegan athletes.
• ⚠ Read and evaluate primary research in sports nutrition, including study design and its limitations.
• Explain the scope of practice boundary between nutrition education and medical nutrition therapy.
• Develop an evidence-based nutrition plan for an athlete and communicate it clearly.

Optional Outcomes

• Explain sport-specific nutritional demands across endurance, strength, team and weight-category sports.
• Explain gut training and gastrointestinal issues in endurance sport.
• Explain immune function and nutrition in heavily training athletes.
• Explain nutrition for injury and rehabilitation.
• Explain travel and competition logistics nutrition.
• Explain nutrigenomics and personalised nutrition claims, and evaluate them.
• Explain food service and fuelling station operation in an athletics department.
• Conduct a dietary assessment and analyse it with software.
• Explain the business and marketing of the supplement industry.

Major Topics

Required Topics

• Energy systems and bioenergetics.
• Substrate utilisation and metabolic response to exercise.
• Energy requirements and availability.
• Carbohydrate — requirements, loading, timing.
• Protein — requirements, quality, distribution.
• Fat and low-carbohydrate approaches.
• Micronutrients of concern for athletes.
• Fluid balance, hydration and hyponatraemia.
• Exercise in heat.
• Nutrient timing and recovery.
• Supplements and the evidence base.
• Supplement regulation, contamination and anti-doping.
• Body composition assessment.
• Weight management in sport.
• RED-S and disordered eating.
• Special populations.
• Evaluating research.
• Scope of practice and referral.

Optional Topics

• Sport-specific applications.
• Gastrointestinal issues and gut training.
• Immunity and overtraining.
• Injury and rehabilitation nutrition.
• Travel and competition logistics.
• Personalised nutrition claims.
• Athletics department food service.
• Dietary assessment methods.
• The supplement industry.

Resources & Tools

• Textbooks: Dunford and Doyle, Nutrition for Sport and Exercise — ⚠ the standard text and the closest match to this course's description; Benardot, Advanced Sports Nutrition; Jeukendrup and Gleeson, Sport Nutrition — ⚠ the most rigorous of the three and the best on the underlying physiology.
• ⚠⚠ The position statements are free and are what the profession actually goes by — read these rather than reading about them: the joint position statement on Nutrition and Athletic Performance from the Academy of Nutrition and Dietetics, Dietitians of Canada and the American College of Sports Medicine — free, current and the single most useful document in this course; the International Olympic Committee consensus statements, particularly on Relative Energy Deficiency in Sport; and the International Society of Sports Nutrition position stands on protein, creatine, caffeine and nutrient timing — free and individually referenced.
• ⚠⚠ For evaluating supplements, and this is the practical core: the Australian Institute of Sport Supplement Framework — free, and it classifies supplements into evidence groups A through D, which is exactly the judgement this course teaches; the NIH Office of Dietary Supplements fact sheets; ⚠ third-party certification programmes — NSF Certified for Sport and Informed Sport — which test batches for banned substances and are what athletes are told to look for.
• Anti-doping: the World Anti-Doping Agency Prohibited List and the US Anti-Doping Agency's resources — ⚠ USADA's Supplement 411 is free, plain-language and designed for exactly this purpose; the NCAA's banned substance list, ⚠ which differs from WADA's and matters for college athletes.
• Dietary analysis tools: the USDA FoodData Central database (free); NDSR and ESHA Food Processor where the institution licenses them; ⚠ consumer apps such as MyFitnessPal are useful for teaching and have known accuracy limitations from user-entered data — which is itself a good lesson about data quality.
• Journals: the International Journal of Sport Nutrition and Exercise Metabolism, the Journal of the International Society of Sports Nutrition, Sports Medicine, Medicine & Science in Sports & Exercise.
• ⚠ Credentialing to know about: the CSSD (Board Certified Specialist in Sports Dietetics) — ⚠ requires being a Registered Dietitian first; the ISSN's CISSN; and the Collegiate and Professional Sports Dietitians Association, which is the field's professional body.

Career Pathways

• ⚠⚠ Sports dietitians (SOC 29-1031) — the direct destination, and the credential requirement is strict: in Florida, "dietitian/nutritionist" is a LICENSED title. Licensure through the Florida Department of Health requires an accredited degree programme, a supervised practice internship and the national registration examination. ⚠ The CSSD sports specialty requires being an RD first. This course is preparation and background; it is not a route by itself.
• Strength and conditioning coaches (SOC 27-2022, 29-1128) — ⚠ the CSCS credential; nutrition knowledge is expected and the scope-of-practice boundary is critical.
• Exercise physiologists (SOC 29-1128) and athletic trainers (SOC 29-9091) — ⚠ athletic training now requires an accredited master's and licensure.
• Personal trainers and fitness professionals (SOC 39-9031) — ⚠⚠ and this is where the scope-of-practice warning matters most: a personal trainer may provide general nutrition education, and may NOT provide individualised medical nutrition therapy or prescribe diets to treat conditions. Doing so in Florida risks acting as an unlicensed dietitian.
• Collegiate and professional sports performance staff (SOC 29-1031, 29-1128) — ⚠ Florida's Division I athletic departments and professional franchises employ performance nutrition staff.
• Public health and community nutrition (SOC 21-1091, 29-1031).
• Corporate wellness (SOC 11-9199, 29-1128).
• Supplement and food industry roles (SOC 13-1161, 19-1012) — ⚠ including regulatory and scientific affairs, where the evidence-evaluation skill is the job.
• Research and graduate study (SOC 19-1042, 29-1128).
• Health and science communication (SOC 27-3042) — ⚠ a genuine need, given how poorly this subject is reported.

Special Information

⚠⚠ Scope of practice — the professional boundary this course must teach

• ⚠⚠ In Florida, dietetics and nutrition practice is licensed under Chapter 468, Part X, Florida Statutes. "Dietitian/nutritionist" and "nutrition counselor" are protected titles, and providing individualised nutrition assessment and therapy for a health condition without a licence is practising without one.
• What a non-licensed exercise professional may generally do: provide general nutrition information, share published guidelines, and refer.
• ⚠ What they may not do: assess an individual's nutritional status, design an individualised diet to treat or manage a condition, or present themselves as qualified to do so.
• ⚠⚠ Learning where that line sits is a professional competency, and the risk rises with knowledge — the same pattern this repository records for paralegals. A strength coach who has taken this course knows more about protein requirements than most people and is still not licensed to counsel a client with kidney disease. Know the line, and refer.

⚠ Prerequisites — a genuine double gate

• UWF requires a nutrition course AND an exercise physiology course with laboratory: (HUN 2201 OR HUN 1201 OR HSC 2577) AND (APK 3110/L OR PET 3351C).
• ⚠ Both are load-bearing. The course works at the intersection and re-teaches neither. A student without exercise physiology will not follow the substrate utilisation material; a student without nutrition will not follow the macronutrient material.
• ⚠⚠ FIU restricts enrolment to Sport and Exercise Science majors or by instructor consent. Check whether your institution restricts it before planning a term around it.
• Unlisted but assumed: ⚠ basic biochemistry. Metabolic pathways, ATP resynthesis and substrate oxidation are biochemistry, and students who found that difficult will find the first third of this course hard.

Course format and workload

3 credits, 45 contact hours — lecture, three hours per week. UWF notes it may not be repeated for credit.

Expect 6–9 hours per week outside class. ⚠ UWF's "evidence-based" emphasis means primary research articles rather than only a textbook, and reading a randomised crossover trial properly is slower than students expect.

Assessment typically includes examinations, ⚠ a supplement evaluation assignment — appraising the actual evidence for a specific product, which is the most professionally useful thing in the course — a dietary analysis, a case-based nutrition plan, and often an article critique.

⚠⚠ Sensitive content — this course requires care and should say so

A course about weight, body composition and eating, taught to students who are frequently athletes themselves, sits close to real harm.

• ⚠⚠ Disordered eating is more common in athletes than in the general population, and higher again in weight-category, endurance and aesthetic sports. Students in this room may be affected.
• ⚠ Relative Energy Deficiency in Sport (RED-S) is the current framework — replacing and broadening the older "female athlete triad", because the syndrome affects athletes of every sex. Low energy availability impairs bone health, endocrine function, immunity, cardiovascular health and — the point coaches respond to — performance itself.
• Body composition assessment can be a trigger. ⚠ Where a course involves measuring students, participation should be voluntary, results private, and the limitations of every method stated. No field method is precise enough to justify the significance students attach to a number.
• ⚠⚠ The professional obligation, stated plainly: a coach, trainer or exercise professional who suspects disordered eating refers to a qualified clinician. They do not manage it, and they do not comment on a client's body to motivate them.
• Support: campus counselling is confidential; the National Eating Disorders Association helpline and its screening tool are free; 988 operates at any hour; Florida 211 connects to local services.

⚠ Anti-doping and strict liability

• ⚠⚠ Under WADA and NCAA rules, an athlete is responsible for what is in their body — strict liability. "I didn't know it was in the supplement" is not a defence, and sanctions have followed from contaminated products.
• Supplements are not pre-approved for content, and ⚠ studies have repeatedly found products containing undeclared substances, including prohibited ones.
• Third-party certification (NSF Certified for Sport, Informed Sport) reduces but does not eliminate risk, and it is what athletes should be directed to.
• ⚠ The NCAA's banned list differs from WADA's — a college athlete needs the NCAA list, and an institution's compliance office is the right referral.

⚠ Florida-specific practice notes

• ⚠⚠ Heat is the operational reality here. Exertional heat illness is a leading cause of death in American football at all levels, and Florida's climate makes acclimatisation, hydration and work-to-rest ratios a season-long management problem rather than a summer topic. The Korey Stringer Institute's free resources are the standard reference, and Florida high school athletics has adopted heat policies that a graduate entering the field will work under.
• Florida licensure for dietetics under Chapter 468, Part X.
• ⚠ Employment: Division I athletic departments across the state, professional franchises, spring training operations, and a large fitness and wellness sector.

Articulation and transfer

The number APK4163 is used at the institutions carrying it and SCNS articulation is clean; the titles drift slightly.

⚠ Two practical risks: the double prerequisite — a receiving programme may expect specific prior courses — and FIU's major restriction, which means the course may not be open to you as a transfer student until you are admitted to the major. Keep the syllabus.

Prefix note. APK is applied kinesiology; HUN human nutrition; DIE dietetics; FOS food science; PET physical education teaching; HSC health science. ⚠⚠ Sports nutrition is taught under APK, HUN and DIE, and the prefix predicts the audience and the credential path — a DIE or HUN version sits inside an accredited dietetics programme and may count toward RD eligibility; an APK version generally does not. ⚠ If your goal is the RD credential, confirm with the dietetics programme which courses count. Search by subject rather than prefix.

AI Integration

⚠⚠ This course's central skill — telling evidence from confident assertion — is exactly the skill generative AI most requires and most undermines, which makes the AI section unusually load-bearing here.

Where AI assistance genuinely helps:

• Explaining a metabolic pathway a second way.
• Computing energy and macronutrient targets from stated assumptions — ⚠ check the arithmetic and the assumptions.
• Generating meal ideas that meet a computed target, as a starting point for a plan you evaluate.
• Orienting to a research article before reading it.
• Drafting athlete-facing educational material, which you then verify against the position statements.

⚠⚠ Where it fails, and here the failures reach bodies:

• ⚠⚠ Supplement claims. Training data is saturated with marketing copy, forum posts and influencer content, which vastly outweighs the primary literature. Asked whether a supplement works, a model reproduces the promotional consensus rather than the evidence. The AIS framework and the ISSN position stands exist precisely because this asymmetry is so extreme, and they are free.
• ⚠⚠ Fabricated studies and figures. Invented trials, sample sizes and effect sizes supporting a claim. Verify in PubMed.
• Contested questions stated as settled. ⚠ Ketogenic approaches for endurance, protein timing, and optimal hydration strategy are genuinely argued about — and a confident answer is a warning sign rather than a help.
• ⚠⚠ Individualised advice, which is the dangerous one. A model will produce a personalised diet plan on request. That is medical nutrition therapy when it addresses a health condition, it requires a licence in Florida, and the model has no assessment, no history and no accountability. Do not do it, do not let a client do it, and do not act on it yourself.
• Anti-doping status. ⚠⚠ Never take a "is this substance banned" answer from a model. Use the WADA Prohibited List, USADA's Supplement 411, or the NCAA list — and remember strict liability.

⚠ AI as subject matter, briefly. Nutrition apps, wearable-integrated fuelling recommendations, continuous glucose monitors marketed to athletes, and "personalised nutrition" services built on genetic or microbiome testing are all real products — ⚠ and the evidence supporting most personalisation claims is considerably thinner than the marketing suggests. Evaluating one of them is an excellent assignment, and it is exactly the professional judgement this course exists to build.

Academic integrity. Follow the course policy. Submitting generated work as your own violates every Florida institution's policy — ⚠ and for students heading toward dietetics licensure or athletic training certification, integrity findings are disclosed at credentialing.