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- Title
Effects of a low-carbohydrate ketogenic diet on health parameters in resistance-trained women.
- Authors
Vargas-Molina, Salvador; Carbone, Leandro; Romance, Ramón; Petro, Jorge L.; Schoenfeld, Brad J.; Kreider, Richard B.; Bonilla, Diego A.; Benítez-Porres, Javier
- Abstract
Purpose: The aim of this study was to evaluate the effect of a ketogenic diet on blood pressure, visceral adipose tissue (VAT), bone mineral content (BMC), and bone mineral density (BMD) in trained women. Methods: Twenty-one resistance-trained women performed an 8-week resistance training program after a 3-week familiarization phase. Participants were randomly assigned to a non-ketogenic diet (n = 11, NKD) or ketogenic diet (n = 10, KD) group. Health parameters were measured before and after the nutritional intervention. Blood pressure was measured using a digital automatic monitor, while VAT, BMC, and BMD changes were measured by dual-energy X-ray absorptiometry. Results: There was a significant reduction in systolic blood pressure in KD (mean ± SD [IC 95%], P value, Hedges' g; − 6.3 ± 6.0 [− 10.5, − 2.0] mmHg, P = 0.009, g = − 0.81) but not in NKD (− 0.4 ± 8.9 [− 6.8, 6.0] mmHg, P = 0.890, g = − 0.04). The results on VAT showed no changes in both groups. The KD showed a small favorable effect on BMD (0.02 ± 0.02 [0.01, 0.03] g·cm−2, P = 0.014, g = 0.19) while NKD did not show significant changes (0.00 ± 0.02 [− 0.02, 0.02] g·cm−2, P = 0.886, g = 0.01). No differences in group or in the time × group interaction were found in any of the variables. Conclusions: Consuming a low-carbohydrate high-fat KD in conjunction with a resistance training program might help to promote the improvement of health-related markers in resistance-trained women. Long-term studies are required to evaluate the superiority of a KD in comparison to a traditional diet.
- Subjects
LOW-carbohydrate diet; KETOGENIC diet; SYSTOLIC blood pressure; RESISTANCE training; BONE density
- Publication
European Journal of Applied Physiology, 2021, Vol 121, Issue 8, p2349
- ISSN
1439-6319
- Publication type
Article
- DOI
10.1007/s00421-021-04707-3