Sports supplement use is widespread in athlete surveys, but reported rates differ sharply by population, product definition and measurement period. The figures below cover adoption, product choices, research protocols and published safety cases, with each denominator and limitation kept explicit.
Key Sports Supplement Statistics
The most broadly useful figures include:
- In international competitions, about two-thirds of 3,887 elite track-and-field athletes reported taking at least one dietary supplement.
- In 2009–2010, 66% of 1,248 students aged 16 or older at five U.S. colleges reported using any dietary supplement.
- In a national U.S. college-athlete survey, 41.7% reported protein-product use.
- In the same survey, 28.6% of U.S. college athletes reported energy-drink or energy-shot use.
- In the same survey, 14.0% of U.S. college athletes reported creatine use.
- Among 348 international athletes aged 15–18 surveyed in 2019, 82.2% reported taking sports supplements.
- Among those young international athletes, 54.5% used protein supplements.
- In a 2023 questionnaire of 405 athletes and active individuals, 58% reported currently taking nutritional supplements.
- In that 2023 sample, 31% reported protein as an exercise-related supplement.
- In that 2023 sample, 14% reported creatine use for exercise performance or recovery.
- In the same sample, 33% used caffeine-containing functional foods for exercise performance or recovery.
- NIH summarizes beta-alanine trials using 4–6 g per day for at least 2–4 weeks when evaluating high-intensity exercise lasting more than 60 seconds.
- NIH summarizes caffeine studies commonly using about 2–6 mg per kilogram of body weight before exercise.
- A review of sports-nutrition adverse-event reports identified 97 patients across 72 publications.
- Among those published cases, 6 of 97 were fatal adverse events, a case-series share rather than a user fatality rate.
- Adulteration was demonstrated in 2 of 4 analyzed supplements in the adverse-event review.
Contents
- How widely athletes use sports supplements
- Protein, creatine and amino-acid supplement data
- Caffeine, energy drinks and performance products
- Sports nutrition choices among active adults
- Sports supplement doses and measured evidence
- Safety, adverse events and contamination
How Widely Athletes Use Sports Supplements
Survey results show substantial adoption, while the populations are not interchangeable. Elite competitors, college athletes, students and young international athletes answer different questions about sports supplement prevalence.
- About two-thirds of 3,887 adult and adolescent elite track-and-field athletes at world-championship competitions reported taking at least one dietary supplement. The international survey extract reports an approximate share rather than an exact percentage. NIH Office of Dietary Supplements
- In 2009–2010, 66% of 1,248 students aged 16 or older at five U.S. colleges and universities reported using any dietary supplement. This student survey is not a nationally representative estimate of athletes. NIH Office of Dietary Supplements
- A national survey of about 21,000 U.S. college athletes found 41.7% reporting protein-product use. The result is self-reported, and the supplied NIH extract does not state the survey year. NIH Office of Dietary Supplements
Among 348 athletes aged 15–18 from four countries competing internationally in 18 sports, a survey published in 2019 found 82.2% reporting sports supplement use. Protein supplements were used by 54.5%, while 41.4% identified coaches as their primary supplementation information source. Prevalence, knowledge and attitudes towards using sports supplements among young athletes
The same young-athlete survey found that 35.4% named athletic-performance enhancement as their main motivation, and 72.1% said they were aware of health risks associated with sports supplements. Awareness was self-reported rather than an objective knowledge score. Prevalence, knowledge and attitudes towards using sports supplements among young athletes
Protein, Creatine and Amino-Acid Supplement Data
Product categories appear at different rates depending on whether the denominator is athletes, studies or a selected active-adult sample. The distinctions matter: a study count is not athlete prevalence, and a product category may contain multiple formulations.
| Measure | Population or evidence base | Result |
|---|---|---|
| Protein products | About 21,000 U.S. college athletes; national survey | 41.7% |
| Creatine | Same U.S. college-athlete survey | 14.0% |
| Amino acids | Same U.S. college-athlete survey | 12.1% |
| Protein supplements | 348 international athletes aged 15–18; 2019 | 54.5% |
The U.S. college-athlete survey also reported 28.6% using energy drinks or energy shots, and 5.7% using multivitamins with caffeine. Energy drinks and shots are combined in that category, while multivitamins with caffeine is a specific combined product category. NIH Office of Dietary Supplements
A systematic review of athlete studies found amino-acid and/or protein supplementation reported in 82 investigations, representing 52% of included investigations. Creatine appeared in 50 investigations, or 31%, and sports drinks in 33 investigations, or 21%; these are investigation-level frequencies rather than pooled percentages of individual athletes. Prevalence of Dietary Supplement Use by Athletes: Systematic Review and Meta-Analysis
Caffeine, Energy Drinks and Performance Products
Caffeine-related use spans ordinary functional foods and dedicated supplements. In a 2023 questionnaire of 405 athletes and active individuals, 33% used caffeine-containing functional foods for exercise performance or recovery, while 11% reported caffeine supplements for that purpose.
The functional-food measure includes coffee and other foods, not only supplements. Nutritional priorities, practices and preferences of athletes and active individuals in the context of new product development in the sports nutrition sector
The same questionnaire reported 4% using dietary nitrate products and 7% using branched-chain amino-acid supplements for performance or recovery. These were self-reported current-use measures in a sample that was not population-representative. Nutritional priorities, practices and preferences of athletes and active individuals in the context of new product development in the sports nutrition sector
NIH summarizes exercise caffeine studies that commonly use about 2–6 mg/kg of body weight before exercise. The study doses vary, and individual tolerance and safety context remain relevant when interpreting this protocol summary. NIH Office of Dietary Supplements
Sports Nutrition Choices Among Active Adults
The 2023 questionnaire provides a broader view of motivations and recovery behavior among 405 athletes and active individuals. It found 58% currently taking nutritional supplements, 52% using supplements for health and wellbeing, and 35% using them to support exercise performance or recovery; these purposes can overlap. Nutritional priorities, practices and preferences of athletes and active individuals in the context of new product development in the sports nutrition sector
- Bioactive functional foods were used for exercise performance or recovery by 43% of participants, a measure distinct from supplement use.
- Protein was the most common exercise-related supplement in the questionnaire, reported by 31%.
- Creatine was reported by 14% for exercise performance or recovery.
Recovery concerns were common in the same sample: 70% frequently experienced post-exercise muscle pain or stiffness, and 56% reported pain or stiffness at least once per week. These are self-reported symptoms, not clinical diagnoses. Nutritional priorities, practices and preferences of athletes and active individuals in the context of new product development in the sports nutrition sector
Seventy percent also altered their post-training routine to improve recovery. Among the 285 participants who altered routines, 230 reported stretching and 166 reported foam rolling; the denominator for those two counts is the subset of 285, not all 405 participants. Nutritional priorities, practices and preferences of athletes and active individuals in the context of new product development in the sports nutrition sector
Product evaluation was also measured on a 1–4 purchase-decision scale: nutritional profile averaged 3.37, while scientific proof averaged 3.31. These are preference ratings, not market-share measures or verified purchasing behavior. Nutritional priorities, practices and preferences of athletes and active individuals in the context of new product development in the sports nutrition sector
Sports Supplement Doses and Measured Evidence
NIH’s fact sheet summarizes protocols used in exercise studies, but a studied dose is not a guarantee of benefit for every person or product. Several examples illustrate why dose, timing, duration and formulation should remain attached to any outcome claim.
| Supplement or food | Study protocol summarized by NIH | Important scope note |
|---|---|---|
| Beta-alanine | 4–6 g/day for at least 2–4 weeks | Evaluates high-intensity performance lasting more than 60 seconds |
| HMB | Typical 3 g/day for up to 2 months | No safety concerns reported in summarized studies |
| Betaine | 2–5 g/day for up to 15 days | Short duration and limited clinical evidence |
| Beetroot juice | 500 mL/day, once 2.5–3 hours before exercise or daily for up to 15 days | Powder products were not shown equivalent |
The 500 mL beetroot-juice protocol provides about 5–11 mmol, or about 310–682 mg, of nitrate, with the amount varying by product. NIH’s summary says potential benefits can persist for up to 24 hours after ingestion, but that potential is protocol-dependent rather than a guaranteed performance effect. NIH Office of Dietary Supplements
Sports Supplement Safety, Adverse Events and Contamination
A meta-epidemiological review examined published suspected cases rather than measuring incidence among all users. It included 72 publications covering 97 patients, so the figures describe the literature’s reported cases and cannot be converted into population risk. Sports nutrition supplements and adverse events – a meta-epidemiological study of case reports specifically addressing causality assessment
Among the 97 patients, 82 were male, or 85%, and the median age was 30 among 96 cases reporting age, with a range of 14–60 years. Fifty-eight of 68 cases with health-history information, or 85%, involved previously healthy patients; health history was available for only 70% of cases. Sports nutrition supplements and adverse events – a meta-epidemiological study of case reports specifically addressing causality assessment
The review found 20 of 94 cases with relevant information, or 21%, involving more than one suspected supplement. Six of 97 cases, or 6%, were fatal adverse events; this is the share of published cases, not a fatality rate among supplement users. Sports nutrition supplements and adverse events – a meta-epidemiological study of case reports specifically addressing causality assessment
Suspected products included 35 pre-workout products, 27 unspecified blends, 22 protein products and 8 creatine products among 134 different supplements. Adulteration was demonstrated in 2 of the 4 cases in which supplements were analyzed, a small analyzed subset that cannot estimate contamination prevalence. Sports nutrition supplements and adverse events – a meta-epidemiological study of case reports specifically addressing causality assessment
The 134 suspected products were associated with 37 different adverse events. The most frequently reported were hepatotoxicity in 14 cases, acne vulgaris in 10, rhabdomyolysis in 9, acute renal injury in 7, acute myocardial infarction in 6, cardiac arrest in 6, acute psychosis in 5 and cerebral hemorrhage in 5.
These counts are frequencies among published reports, with suspected causation, rather than comparative risks. Sports nutrition supplements and adverse events – a meta-epidemiological study of case reports specifically addressing causality assessment
The evidence therefore supports careful interpretation: adoption surveys describe reported behavior, protocol summaries describe studied conditions, and case reports signal documented events without establishing how often they occur among all sports supplement consumers.