Use of Growth Hormone, IGF-I, and Insulin for Anabolic Purpose: Pharmacological Basis, Methods of Detection, and Adverse Effects
Open accessAbstract
Hormones with anabolic properties such as growth hormone (GH), insulin-like growth factor-1 (IGF-I), and insulin are commonly abused among professional and recreational athletes to enhance physical ability. Performance enhancing drugs (PEDs) such as these are also commonly used by recreational athletes to improve body aesthetics. The perception of increased muscle mass due to supraphysiologic hormone supplementation, or doping, is widespread among PED users despite a paucity of evidence-based data in humans. Even still, athletes will continue to abuse PEDs in hopes of replicating anecdotal results. It is important to educate the general public and potential treating physicians of the risks of PED use, including the dangers of polypharmacy and substance dependence. It will also be important for the research community to address the common challenges associated with studying PED use such as the ethical considerations of PED administration, the general reticence of the PED-using community to volunteer information, and the constant need to improve or create new detection methods as athletes continually attempt to circumvent current methods. This review highlights the anabolic mechanisms and suggestive data implicating GH, IGF-I, and insulin for use as PEDs, the specific detection methods with cutoff ranges that may be utilized to diagnose abuse of each substance, and their respective side effects.
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Insulin has anabolic effects on skeletal muscle, making it an appealing but potentially dangerous performance enhancing drug for recreational bodybuilders.
“Insulin has anabolic effects on skeletal muscle, which make it an appealing but potentially dangerous performance enhancing drug for recreational bodybuilders [80].”
From Non-Diabetic Hypoglycemia: Evaluation and Management in Adults (2025) · cites this paper as [80]
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- Authors
- Anderson, L. J., Tamayose, J. M., & Garcia, J. M.
- Affiliations
- VA Puget Sound Health Care System (US)
- Venue
- Molecular and Cellular Endocrinology
- Publisher
- Elsevier BV
- Published
- 2018-03
- Volume
- 464
- Pages
- 65-74
- ISSN
- 0303-7207 (ISSN-L)
- PMC
- PMC5723243
- OpenAlex
- W2622802009
- Cited by
- 70
- References
- 134
- Citations by year
- 2026: 7 · 2025: 8 · 2024: 5 · 2023: 8 · 2022: 11 · 2021: 10 · 2020: 8 · 2019: 5 · 2018: 8
- FWCI
- 1.56
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Molecular and Cellular Endocrinology (acceptedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- U.S. Department of Veterans Affairs (I01 CX000174, I01 BX002807)
- University of Washington
- National Institute on Aging (R03AG040583)
- National Institute of Diabetes and Digestive and Kidney Diseases (P30DK035816, P30DK017047)
- Topics
- Social Sciences › Sociology and Political Science › Doping in Sports
- Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Growth Hormone and Insulin-like Growth Factors
- Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Pharmacological Effects and Assays
- Keywords
- growth hormone, insulin-like growth factor I, insulin, performance-enhancing drugs, doping, athletes, drug detection, adverse effects, polypharmacy, substance dependence, body aesthetics
- MeSH terms
- Humans, Insulin, Insulin-Like Growth Factor I, Growth Hormone, Anabolic Agents, Performance-Enhancing Substances
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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