Comparison of Creatine Supplementation Before Versus After Supervised Resistance Training in Healthy Older Adults
Abstract
This study was performed to compare the effects of creatine supplementation (CR) before vs. after supervised resistance training (RT) in healthy older adults. Participants were randomized to one of two groups: CR-Before (0.1g•kg(-1) creatine before + 0.1g•kg(-1) placebo [rice flour] after RT, n = 11) or CR-After (placebo before + creatine after RT, n = 11). Resistance training (RT) was performed 3 days/week, on nonconsecutive days, for 12 weeks. Prior to and following the study, measures were taken for body composition, maximum strength, muscle protein catabolism, and kidney function. Over the 12-week training period, both groups experienced a significant increase in whole-body lean tissue mass, limb muscle thickness, and upper and lower body strength and a decrease in muscle protein catabolism (p < 0.001), with no differences between groups. There was no change in kidney function over time. Changes in muscle mass or strength are similar when creatine is ingested before or after supervised resistance training in older adults.
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Creatine supplementation has been reported to increase strength and/or muscle mass.
“increase strength and/or muscle mass [37, 41, 44, 45, 82, 208–212];”
From International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine (2017) · cites this paper as [210]
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- Authors
- Candow, D. G., Zello, G. A., Ling, B., Farthing, J. P., Chilibeck, P. D., McLeod, K., Harris, J., & Johnson, S.
- Affiliations
- University of Regina (CA)
- University of Saskatchewan (CA)
- Corresponding author
- Candow, Darren G.
- ORCID
- Venue
- Research in Sports Medicine
- Publisher
- Informa UK Limited
- Published
- 2014-01-02
- Volume
- 22
- Issue
- 1
- Pages
- 61-74
- ISSN
- 1543-8627 (ISSN-L)
- 1543-8635
- OpenAlex
- W2012303256
- Cited by
- 58
- References
- 30
- Citations by year
- 2026: 3 · 2025: 2 · 2024: 3 · 2023: 1 · 2022: 5 · 2021: 21 · 2019: 2 · 2018: 2 · 2017: 3 · 2016: 8 · 2015: 5 · 2014: 1 · 2012: 2
- FWCI
- 2.82
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Research in Sports Medicine (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
- Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
- Health Sciences › Medicine › Physiology › Biochemical effects in animals
- Keywords
- creatine supplementation, resistance training, older adults, timing of supplementation, lean muscle mass, muscle strength, muscle protein degradation, renal function, body composition
- MeSH terms
- Creatine, Diosgenin, Dose-Response Relationship, Drug, Double-Blind Method, Physical Exertion, Female, Follow-Up Studies, Humans, Male, Middle Aged, Phytosterols, Dietary Supplements, Muscle Strength, Resistance Training, Healthy Volunteers
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