Doping substances in dietary supplements

Doping substances in dietary supplements / Christine Helle, Anne Kristi Sommer, Per Vidar Syversen, Fredrik Lauritzen. - (Tidsskrift for den Norske lægeforening 139 (2019) 4 (February) ; p. 1-9).
- PMID: 30808106
- DOI: 10.4045/tidsskr.18.0502
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Abstract:

BACKGROUND:
International studies have shown that 12-58 % of all dietary supplements intended for people who exercise and engage in sports contain substances prohibited by the World Anti-Doping Code (WADC). In some cases, the doping substances are not declared on the product label, and the consumer may therefore be unaware of what he/she ingests. Many of the substances may cause adverse health effects, and sale of such products is illegal in Norway.

MATERIAL AND METHOD:
To investigate the prevalence of doping substances in dietary supplements sold on the Norwegian market, a total of 93 high-risk products from online shops targeting Norwegian consumers were analysed for substances on the WADC Prohibited List and pharmaceutical drugs. All supplements were marketed as able to boost energy levels and/or having a muscle-building or fat-burning effect. The products were selected on the basis of tips received, online forums and/or international lists.

RESULTS:
Altogether 21 of 93 (23 %) products analysed contained prohibited substances, pharmaceutical drugs and/or illegal amounts of caffeine. Substances on the WADC Prohibited List were detected in 8 of the 93 (9 %) dietary supplements. All products containing doping substances were declared as containing one or more banned substances.

INTERPRETATION:
The results show that using apparently legal dietary supplements purchased in online shops targeting Norwegian consumers involves a risk of inadvertent doping and adverse health effects.

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Parameters:

Science
Study
Date:
25 February 2019
People
Helle, Christine
Lauritzen, Fredrik
Sommer, Anne Kristi
Syversen, Per Vidar
Country
Norway
Language
English
Other organisations
Antidoping Norge - Anti-Doping Norway
Mattilsynet - Norwegian Food Safety Authority
Statens legemiddelverk - Norwegian Medicines Agency
Doping classes
S1. Anabolic Agents
S3. Beta-2 Agonists
S4. Hormone And Metabolic Modulators
Substances
6β-bromoandrostenedione
Androsta-3,5-diene-7,17-dione (arimistane)
Enobosarm (ostarine)
Higenamine
Ibutamoren
Methylstenbolone
Selective androgen receptor modulators (SARMs)
Trenbolone (17β-hydroxyestr-4,9,11-trien-3-one)
Trendione
Various
Contamination
Supplements
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Scientific article
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pdf
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  • Legal
  • Education
  • Science
  • Statistics
  • History
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  • Country
  • Language
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  • ADRV
  • Legal Terms
  • Sport/IFs
  • Other organisations
  • Laboratories
  • Analytical aspects
  • Doping classes
  • Substances
  • Medical terms
  • Various
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