Caffeine modifies blood glucose availability during prolonged low-intensity exercise in individuals with type-2 diabetes

https://doi.org/10.25100/cm.v45i2.1477
Diabetes mellitus caffeine supplementary feeding exercise

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Published: Jul 3, 2014
Issue: Vol. 45 No. 2 (2014)
Section Original Articles

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Authors

Luiz Augusto da Silva Midwest State University of Parana, Pharmaceutical Science Postgraduate Program, Guarapuava, PR, Brazil
Leandro de Freitas Midwest State University of Parana, Pharmaceutical Science Postgraduate Program, Guarapuava, PR, Brazil
Thiago Emannuel Medeiros State University of Santa Catarina, Physical Education Postgraduate Program, Florianópolis, SC, Brazil.
Raul Osiecki Federal University of Paraná, Department of Physical Education, Curitiba, PR, Brazil
Renan Garcia Michel Campo Real College, Department of Biomedicine, Guarapuava, PR, Brazil
André Luiz Snak Campo Real College, Department of Biomedicine, Guarapuava, PR, Brazil
Carlos Malfatti Midwest State University of Parana, Department of Physiotherapy, Guarapuava, PR, Brazil.
Abstract

Objective: The study investigated the effect of supplementation with maltodextrin (CHO) alone or associated to caffeine during exercise in T2DM subjects.

Methods: Pilot study, using Eight subjects with T2DM, aged 55±10 years, received CHO (1g/kg) or caffeine (1.5 mg/kg) alone or associated before exercise protocol. The exercise was executed at 40% heart rate (HR) reserve for 40 min, with 10-min recovery. Blood pressure (BP) and perceived exertion scale (Borg) were checked every 2 min. Blood glucose (BG) was checked every 10 min. For statistical analysis, ANOVA test was used and the value was considered statistically significant at p <0.05.

Results: The results showed that BP and HR did not change significantly among all treatments. Caffeine promoted a significant reduction in BG of 75 mg/dL (65%, p <0.05) during 40 min of exercise protocol compared to all groups.

Conclusion: Supplementation with 1.5 mg/kg of caffeine reduces BG concentration during prolonged exercise in T2DM patients.

Author Biographies

Luiz Augusto da Silva, Midwest State University of Parana, Pharmaceutical Science Postgraduate Program, Guarapuava, PR, Brazil

Pharmaceutical Science Postgraduate Program, Guarapuava, PR, Brazil

Leandro de Freitas, Midwest State University of Parana, Pharmaceutical Science Postgraduate Program, Guarapuava, PR, Brazil

Pharmaceutical Science Postgraduate Program, Guarapuava, PR, Brazil

Thiago Emannuel Medeiros, State University of Santa Catarina, Physical Education Postgraduate Program, Florianópolis, SC, Brazil.

Physical Education Postgraduate Program, Florianópolis, SC, Brazil.

Raul Osiecki, Federal University of Paraná, Department of Physical Education, Curitiba, PR, Brazil

Department of Physical Education, Curitiba, PR, Brazil

Renan Garcia Michel, Campo Real College, Department of Biomedicine, Guarapuava, PR, Brazil

Department of Biomedicine, Guarapuava, PR, Brazil

André Luiz Snak, Campo Real College, Department of Biomedicine, Guarapuava, PR, Brazil

Department of Biomedicine, Guarapuava, PR, Brazil

Carlos Malfatti, Midwest State University of Parana, Department of Physiotherapy, Guarapuava, PR, Brazil.

Department of Physiotherapy, Guarapuava, PR, Brazil.
How to Cite
da Silva, L. A., de Freitas, L., Medeiros, T. E., Osiecki, R., Michel, R. G., Snak, A. L., & Malfatti, C. (2014). Caffeine modifies blood glucose availability during prolonged low-intensity exercise in individuals with type-2 diabetes. Colombia Medica, 45(2), 72–76. https://doi.org/10.25100/cm.v45i2.1477
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Received 2013-12-09
Accepted 2014-05-28
Published 2014-07-03

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