Are Dietary Supplements a Gateway to Doping? A Retrospective Survey of Athletes’ Substance Use

Journal article

Hurst, P. 2023. Are Dietary Supplements a Gateway to Doping? A Retrospective Survey of Athletes’ Substance Use. Substance Use & Misuse. https://doi.org/10.1080/10826084.2022.2161320
AuthorsHurst, P.
Abstract: It is proposed that the use of dietary supplements might lead to the use of doping substances. This has been termed the gateway hypothesis. However, within an athletic sample, no research has examined the order in which these substances are consumed and what may explain the progression from dietary supplement use to doping. Objective: To identify whether dietary supplement use precedes doping and examine what moderates the dietary supplement-doping relationship. : Competitive athletes (N=1,081, 42.0% female; Age=29.3±10.8 years) completed an online survey measuring dietary supplement use, doping use, doping subjective norms and age of using a supplement and/or doping substance. : Dietary supplement users were 11 times more likely to dope than non-users (OR=11.28, 95% CI = 2.72 to 46.77). Age for first use of a dietary supplement was younger than use of a doping substance (mean difference=-4.5±5.1 years old, p<0.001, d=0.90). Over three-quarters of doping users reported using a dietary supplement first (77.1%), whereas a small proportion of athletes started using dietary supplements and doping at the same time (12.5%) and some used doping substances before using dietary supplements (10.4%). Moderation analysis revealed that dietary supplement users may be more likely to dope because of a more favourable social acceptance of using prohibited substances than non-users. : Data suggest that dietary supplement use is more likely to precede doping. However, not all doping users begin with using dietary supplements, which highlights the importance of measuring the temporal order of dietary supplement and doping use in future research.
KeywordsPsychiatry and Mental health; Public Health, Environmental and Occupational Health; Medicine (miscellaneous); Health (social science)
Year2023
JournalSubstance Use &amp; Misuse
PublisherInforma UK Limited
ISSN1082-6084
1532-2491
Digital Object Identifier (DOI)https://doi.org/10.1080/10826084.2022.2161320
Publication dates
Online16 Jan 2023
Publication process dates
Accepted21 Dec 2022
Deposited04 Jan 2023
Accepted author manuscript
File Access Level
Restricted
Output statusPublished
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Hurst, P., Foad, A., Coleman, D. and Beedie, C. 2017. Athletes intending to use sports supplements are more likely to respond to a placebo. Medicine & Science in Sports & Exercise (MSSE). https://doi.org/10.1249/MSS.0000000000001297
Development and validation of the sports supplements beliefs scale [Conference paper abstract]
Hurst, P., Foad, A. and Coleman, D. 2015. Development and validation of the sports supplements beliefs scale [Conference paper abstract]. Journal of Sports Sciences. 33 (Sup1), pp. s72-s74. https://doi.org/10.1080/02640414.2015.1110330
Expectations, caffeine and pacing strategy: how positive and negative expectations can influence running performance
Hurst, P. 2014. Expectations, caffeine and pacing strategy: how positive and negative expectations can influence running performance. British Journal of Sports Medicine. 48 (A3). https://doi.org/10.1136/bjsports-2014-094245.8
Expectancy effects on competitive 5 km time-trial performance
Hurst, P. 2013. Expectancy effects on competitive 5 km time-trial performance. British Journal of Sports Medicine. 47 (17). https://doi.org/10.1136/bjsports-2013-093073.15
Reproducibility of outdoor 5 km running time-trial in a competitive environment
Hurst, P. 2013. Reproducibility of outdoor 5 km running time-trial in a competitive environment. British Journal of Sports Medicine. 47 (e4). https://doi.org/10.1136/bjsports-2013-093073.14
Development and validation of the Sports Supplements Beliefs Scale
Hurst, P., Foad, A., Coleman, D. and Beedie, C. 2016. Development and validation of the Sports Supplements Beliefs Scale. Performance Enhancement & Health. https://doi.org/10.1016/j.peh.2016.10.001
Reliability of 5-km running performance in a competitive environment
Hurst, P. and Board, L. 2016. Reliability of 5-km running performance in a competitive environment. Measurement in Physical Education and Exercise Science. https://doi.org/10.1080/1091367X.2016.1233421
Beliefs versus reality, or beliefs as reality? The placebo effect in sport and exercise
Hurst, P., Foad, A. and Beedie, C. 2016. Beliefs versus reality, or beliefs as reality? The placebo effect in sport and exercise. in: Lane, A. (ed.) Sport and Exercise Psychology London Routledge. pp. 325-344
Capitalizing on the placebo component of treatments
Beedie, C., Foad, A. and Hurst, P. 2015. Capitalizing on the placebo component of treatments. Current Sports Medicine Reports (CSMR). 14 (4), pp. 284-287. https://doi.org/10.1249/JSR.0000000000000172
Influence of acute dietary nitrate supplementation over 5 km
Hurst, P., Coleman, D. and Saunders, S. 2015. Influence of acute dietary nitrate supplementation over 5 km. British Journal of Sports Medicine: International Sports Science + Sports Medicine Conference 2015 Abstracts Newcastle Upon Tyne 8–10th September 2015. 49 (Sup. 2), pp. A6-A6. https://doi.org/10.1136/bjsports-2015-095576.17
Placebo and nocebo effects during repeat sprint performance
Hurst, P., Beedie, C., Coleman, D. and Foad, A. 2016. Placebo and nocebo effects during repeat sprint performance.
Knowledge and experience of placebo effects modifies athletes’ intentions to use sport supplements
Hurst, P., Beedie, C., Coleman, D. and Foad, A. 2016. Knowledge and experience of placebo effects modifies athletes’ intentions to use sport supplements.