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Moura E Silva VEL, Panissa VLG, Cholewa JM, Vieira MM, Antunes BM, Moura RC, Rossi PAQ, Santos MAP, Lira FS, Rossi FE. Ten weeks of Capsicum annuum L. extract supplementation did not change adipose tissue-derived hormones, appetite, body composition, and muscle strength when combined with resistance training in healthy untrained men: A clinical trial study. Nutr Res 2024; 122:33-43. [PMID: 38141553 DOI: 10.1016/j.nutres.2023.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 11/30/2023] [Accepted: 11/30/2023] [Indexed: 12/25/2023]
Abstract
Capsiate (CAP) is a nonpungent capsaicin analog (Capsicum annuum L. extract) that has been studied as a potential antiobesity agent. However, the interaction between chronic CAP supplementation and resistance training is not clear. The purpose of this study was to examine the changes in adipose tissue-derived hormones, body composition, appetite, and muscle strength after 10 weeks of resistance training, combined with chronic CAP supplementation in healthy untrained men. We hypothesized that CAP could induce higher benefits when combined with resistance training after 10 weeks of intervention compared to resistance training alone. Twenty-four young men (age, 22.0 ± 2.9) were randomized to either capsiate supplementation (CAP = 12 mg/day) or placebo (PL), and both groups were assigned to resistance training. Body composition, leptin and adiponectin concentrations, subjective ratings of appetite, energy intake, and exercise performance were assessed at before and after 10 weeks of progressive resistance training. There was a significant increase in body mass (P < .001), fat-free mass (CAP: 58.0 ± 7.1 vs. post, 59.7 ± 7.1 kg; PL: pre, 58.4 ± 7.3 vs. post, 59.8 ± 7.1 kg; P < .001), resting metabolic rate (CAP: pre, 1782.9 ± 160.6 vs. post, 1796.3 ± 162.0 kcal; PL: pre, 1733.0 ± 148.9 vs. post, 1750.5 ± 149.8 kcal; P < .001), maximal strength at 45 leg press (P < .001) and bench press (P < .001) in both groups, but no significant (P > .05) supplementation by training period interaction nor fat mass was observed. For subjective ratings of appetite, energy intake, leptin, and adiponectin, no significant effect of supplementation by training period interaction was observed (P > .05). In conclusion, 10 weeks of resistance training increased total body weight, muscle mass, and maximum strength in healthy untrained men; however, CAP supplementation (12 mg, 7 days per week) failed to change adipose tissue-derived hormones, appetite, body composition and muscle strength in this population. Registered under Brazilian Registry of Clinical Trials (RBR-8cz9kfq).
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Affiliation(s)
- Vilton E L Moura E Silva
- Immunometabolism of Skeletal Muscle and Exercise Research Group, Department of Physical Education, São Paulo State University (UNESP), Presidente Prudente, SP, Brazil
| | - Valéria L G Panissa
- Exercise and Immunometabolism Research Group, Department of Physical Education, São Paulo State University (UNESP), Presidente Prudente, SP, Brazil
| | - Jason M Cholewa
- Department of Exercise Physiology, University of Lynchburg, Lynchburg, VA, USA
| | - Matheus Mesquita Vieira
- Immunometabolism of Skeletal Muscle and Exercise Research Group, Department of Physical Education, São Paulo State University (UNESP), Presidente Prudente, SP, Brazil; Graduate Program in Movement Science, São Paulo State University (UNESP), Presidente Prudente, SP, Brazil
| | - Barbara M Antunes
- Exercise and Immunometabolism Research Group, Department of Physical Education, São Paulo State University (UNESP), Presidente Prudente, SP, Brazil; Facultad de Deportes Campus Ensenada, Universidad Autónoma de Baja California, Ensenada, México
| | - Rayane C Moura
- Graduate Program in Science and Health, Federal University of Piauí (UFPI), Teresina, PI, Brazil
| | - Priscila A Q Rossi
- Exercise and Immunometabolism Research Group, Department of Physical Education, São Paulo State University (UNESP), Presidente Prudente, SP, Brazil
| | - Marcos A P Santos
- Department of Biophysics and Physiology, Federal University of Piaui, Campus Minister Petrônio Portela, Ininga, Teresina, Piaui, Brazil
| | - Fabio S Lira
- Exercise and Immunometabolism Research Group, Department of Physical Education, São Paulo State University (UNESP), Presidente Prudente, SP, Brazil
| | - Fabrício E Rossi
- Immunometabolism of Skeletal Muscle and Exercise Research Group, Department of Physical Education, São Paulo State University (UNESP), Presidente Prudente, SP, Brazil; Department of Exercise Physiology, University of Lynchburg, Lynchburg, VA, USA; Graduate Program in Movement Science, São Paulo State University (UNESP), Presidente Prudente, SP, Brazil; Graduate Program in Science and Health, Federal University of Piauí (UFPI), Teresina, PI, Brazil.
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Osuna-Prieto FJ, Milla-Martín D, Miras-Moreno S, Jurado-Fasoli L, Ramírez-Maldonado M, Soriano MA, Garcia-Ramos A, Ruiz JR, Amaro-Gahete FJ. A single dose of dihydrocapsiate does not improve neuromuscular performance in resistance-trained young adults: A randomised, triple-blinded, placebo-controlled, crossover trial. Eur J Sport Sci 2023; 23:2299-2310. [PMID: 37440417 DOI: 10.1080/17461391.2023.2229854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/15/2023]
Abstract
Capsinoids may exert ergogenic effects on resistance exercises. However, the acute effects of capsinoids on neuromuscular performance in humans are unknown. Here, we aimed to investigate the acute effects of dihydrocapsiate on lower- and upper-body neuromuscular performance parameters in resistance-trained individuals. 25 young adults (n = 6 women; age = 26 ± 3 years; body mass index = 24.3 ± 2.8 kg/m2) with ≥ 1-year resistance training experience were included in this triple-blind (participants, intervention researchers, and data analysts were blinded), placebo-controlled, crossover study. Lower- and upper-body ballistic strength (countermovement jump [CMJ] height and bench press throw [BPT] peak velocity), maximum dynamic strength (estimated 1 repetition maximum in squat and bench press [BP]), and strength-endurance (mean set velocity [squat] and number of repetitions to failure [bench press]) were assessed in 2 independent sessions (≥7 days separation). Participants ingested 12 mg of dihydrocapsiate or placebo 30 min before each trial. We found no significant differences between dihydrocapsiate and placebo conditions in ballistic strength, (CMJ height 33.20 ± 8.07 vs 33.32 ± 7.85 cm; BPT peak velocity 2.82 ± 0.77 vs 2.82 ± 0.74 m/s) maximal dynamic strength (estimated squat 1RM: 123.76 ± 40.63 vs 122.66 ± 40.97 kg; estimated BP 1RM: 99.47 ± 43.09 vs 99.60 ± 43.34 kg), and strength-endurance (squat mean set velocity 0.66 ± 0.07 vs 0.66 ± 0.05 m/s; number BP repetitions to failure 13.00 ± 3.56 vs 13.00 ± 4.78) (all P ≥ 0.703). We conclude that dihydrocapsiate does not acutely improve neuromuscular performance in trained young adults.
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Affiliation(s)
- Francisco J Osuna-Prieto
- Department of Physical Education and Sports, Faculty of Sports Science, Sport and Health University Research Institute (iMUDS), University of Granada, Granada, Spain
- Department of Analytical Chemistry, University of Granada, Granada, Spain
- Research Institute in Health Pere Virgili, University Hospital of Tarragona Joan XXIII, Tarragona, Spain
| | - Darío Milla-Martín
- Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, Granada, Spain
| | - Sergio Miras-Moreno
- Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, Granada, Spain
| | - Lucas Jurado-Fasoli
- Department of Physical Education and Sports, Faculty of Sports Science, Sport and Health University Research Institute (iMUDS), University of Granada, Granada, Spain
- Department of Physiology, Faculty of Medicine, University of Granada, Granada, Spain
| | - Mauricio Ramírez-Maldonado
- Department of Physical Education and Sports, Faculty of Sports Science, Sport and Health University Research Institute (iMUDS), University of Granada, Granada, Spain
| | - Marcos A Soriano
- Strength Training & Neuromuscular Performance (STreNgthP) Research Group, Camilo José Cela University, Madrid, Spain
| | - Amador Garcia-Ramos
- Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, Granada, Spain
- Department of Sports Sciences and Physical Conditioning, Faculty of Education, Universidad Católica de la Santísima Concepción, Concepción, Chile
| | - Jonatan R Ruiz
- Department of Physical Education and Sports, Faculty of Sports Science, Sport and Health University Research Institute (iMUDS), University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria, ibs.Granada, Granada, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Granada, Spain
| | - Francisco J Amaro-Gahete
- Department of Physical Education and Sports, Faculty of Sports Science, Sport and Health University Research Institute (iMUDS), University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria, ibs.Granada, Granada, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Granada, Spain
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Zhang W, Zhang Q, Wang L, Zhou Q, Wang P, Qing Y, Sun C. The effects of capsaicin intake on weight loss among overweight and obese subjects: a systematic review and meta-analysis of randomised controlled trials. Br J Nutr 2023; 130:1645-1656. [PMID: 36938807 DOI: 10.1017/s0007114523000697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2023]
Abstract
Animal studies have shown that capsaicin plays a positive role in weight management. However, the results in human research are controversial. Therefore, the present systematic review and meta-analysis aimed to evaluate the effect of capsaicin on weight loss in adults. We searched PubMed, Embase, China Biomedical Literature Database (CBM), Cochrane library and clinical registration centre, identifying all randomised controlled trials (RCT) published in English and Chinese to 3 May 2022. A random-effect model was used to calculate the weighted mean difference (WMD) and 95 % CI. Heterogeneity between studies was assessed by the Cochran Q statistic and I-squared tests (I 2 ). Statistical analyses were performed using STATA version 15.1. P-values < 0·05 were considered as statistically significant. From 2377 retrieved studies, fifteen studies were finally included in the meta-analyses. Fifteen RCT with 762 individuals were included in our meta-analysis. Compared with the control group, the supplementation of capsaicin resulted in significant reduction on BMI (WMD: -0·25 kg/m2, 95 % CI = -0·35, -0·15 kg/m2, P < 0·05), body weight (BW) (WMD: -0·51 kg, 95 % CI = -0·86, -0·15 kg, P < 0·05) and waist circumference (WC) (WMD: -1·12 cm, 95 % CI = -2·00, -0·24 cm, P < 0·05). We found no detrimental effect of capsaicin on waist-to-hip ratio (WMD: -0·05, 95 % CI = -0·17, 0·06, P > 0·05). The current meta-analysis suggests that capsaicin supplementation may have rather modest effects in reducing BMI, BW and WC for overweight or obese individuals.
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Affiliation(s)
- Wensen Zhang
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, 100 Kexue Road, High-Tech Development Zone of States, Zhengzhou450001, People's Republic of China
| | - Qiang Zhang
- School of Nursing and Health, Zhengzhou University, 101 Kexue Road, High-Tech Development Zone of States, Zhengzhou450001, People's Republic of China
| | - Lianke Wang
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, 100 Kexue Road, High-Tech Development Zone of States, Zhengzhou450001, People's Republic of China
| | - Qianyu Zhou
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, 100 Kexue Road, High-Tech Development Zone of States, Zhengzhou450001, People's Republic of China
| | - Panpan Wang
- School of Nursing and Health, Zhengzhou University, 101 Kexue Road, High-Tech Development Zone of States, Zhengzhou450001, People's Republic of China
| | - Ying Qing
- School of Nursing and Health, Zhengzhou University, 101 Kexue Road, High-Tech Development Zone of States, Zhengzhou450001, People's Republic of China
| | - Changqing Sun
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, 100 Kexue Road, High-Tech Development Zone of States, Zhengzhou450001, People's Republic of China
- School of Nursing and Health, Zhengzhou University, 101 Kexue Road, High-Tech Development Zone of States, Zhengzhou450001, People's Republic of China
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Silva JL, Santos EA, Alvarez-Leite JI. Are We Ready to Recommend Capsaicin for Disorders Other Than Neuropathic Pain? Nutrients 2023; 15:4469. [PMID: 37892544 PMCID: PMC10609899 DOI: 10.3390/nu15204469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 10/15/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023] Open
Abstract
Capsaicin, a lipophilic, volatile compound, is responsible for the pungent properties of chili peppers. In recent years, a significant increase in investigations into its properties has allowed the production of new formulations and the development of tools with biotechnological, diagnostic, and potential therapeutic applications. Most of these studies show beneficial effects, improving antioxidant and anti-inflammatory status, inducing thermogenesis, and reducing white adipose tissue. Other mechanisms, including reducing food intake and improving intestinal dysbiosis, are also described. In this way, the possible clinical application of such compound is expanding every year. This opinion article aims to provide a synthesis of recent findings regarding the mechanisms by which capsaicin participates in the control of non-communicable diseases such as obesity, diabetes, and dyslipidemia.
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Affiliation(s)
| | | | - Jacqueline I. Alvarez-Leite
- Departamento de Bioquímica e Imunologia, Universidade Federal de Minas Gerais, Belo Horizonte 30161-970, MG, Brazil; (J.L.S.); (E.A.S.)
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Capsaicin for Weight Control: “Exercise in a Pill” (or Just Another Fad)? Pharmaceuticals (Basel) 2022; 15:ph15070851. [PMID: 35890150 PMCID: PMC9316879 DOI: 10.3390/ph15070851] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 07/05/2022] [Accepted: 07/07/2022] [Indexed: 01/27/2023] Open
Abstract
Medical management of obesity represents a large unmet clinical need. Animal experiments suggest a therapeutic potential for dietary capsaicin, the pungent ingredient in hot chili peppers, to lose weight. This is an attractive theory since capsaicin has been a culinary staple for thousands of years and is generally deemed safe when consumed in hedonically acceptable, restaurant-like doses. This review critically evaluates the available experimental and clinical evidence for and against capsaicin as a weight control agent and comes to the conclusion that capsaicin is not a magic “exercise in a pill”, although there is emerging evidence that it may help restore a healthy gut microbiota.
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Dos Santos Nunes DE Moura HP, Cholewa JM, Jäger R, Campos EZ, Rosa BV, DE Sousa Nunes FA, DE Araújo Barros CA, Rossi PAQ, Gerosa-Neto J, Zanchi NE, Rossi FE. Acute Low-Dose Capsiate Supplementation Improves Upper Body Resistance Exercise Performance in Trained Men: A Randomized, Crossover and Double-Blind Study. INTERNATIONAL JOURNAL OF EXERCISE SCIENCE 2022; 15:1007-1018. [PMID: 36159159 PMCID: PMC9458288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
OBJECTIVES The purpose of this study was to compare the effects of two acute doses of Capsiate (CAP; 6 vs. 12 mg) on upper body resistance exercise performance in trained men. METHODS Using a randomized, crossover and double-blind design, 20 resistance-trained males were supplemented with low-dose CAP (6 mg), high-dose CAP (12 mg) or placebo 45 minutes before exercise. Subjects performed 4 sets of bench press with repetitions to failure at 70% 1 repetition maximum (1RM) and 2 minutes of rest between each set. The ratings of perceived exertion (RPE) and blood lactate were analyzed at baseline and after exercise. RESULTS Total weight lifted was greater in the low CAP (2,454.6 ± 448.6 kg) compared to placebo (2,354.7 ± 458.6 kg, p = 0.039) and high CAP (2,309.3 ± 428.1 kg, p = 0.001). There was no significant difference between conditions for RPE (p = 0.155) and blood lactate (p = 0.434). CONCLUSION In summary, 6 mg CAP increased total weight lifted and repetitions to failure on bench press exercise in trained men, while 12 mg did not present any effect.
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Affiliation(s)
- Helton Pereira Dos Santos Nunes DE Moura
- Science and Health, Federal University of Piauí (UFPI), Teresina-PI, BRAZIL
- Immunometabolism of Skeletal Muscle and Exercise Research Group, Department of Physical Education, Federal University of Piauí (UFPI), Teresina-PI, BRAZIL
| | - Jason Michael Cholewa
- Department of Exercise Physiology, University of Lynchburg, Lynchburg, VA, UNITED STATES
| | - Ralf Jäger
- Increnovo LLC, 2138 E Lafayette Pl, Milwaukee, WI 53202, USA
| | - Eduardo Zapaterra Campos
- Graduate Program in Physical Education, Sports Performance Research Nucleus (NIDE), Federal University of Pernambuco, Recife, BRAZIL
| | - Bruno Viana Rosa
- Immunometabolism of Skeletal Muscle and Exercise Research Group, Department of Physical Education, Federal University of Piauí (UFPI), Teresina-PI, BRAZIL
- Nucleus of Study in Physiology Applied to Performance and Health (NEFADS), Department of Biophysics and Physiology, Federal University of Piaui (UFPI), Teresina-PI, BRAZIL
| | - Flávio Antônio DE Sousa Nunes
- Immunometabolism of Skeletal Muscle and Exercise Research Group, Department of Physical Education, Federal University of Piauí (UFPI), Teresina-PI, BRAZIL
| | - Clara Andressa DE Araújo Barros
- Immunometabolism of Skeletal Muscle and Exercise Research Group, Department of Physical Education, Federal University of Piauí (UFPI), Teresina-PI, BRAZIL
| | - Priscila Almeida Queiroz Rossi
- Science and Health, Federal University of Piauí (UFPI), Teresina-PI, BRAZIL
- Nucleus of Study in Physiology Applied to Performance and Health (NEFADS), Department of Biophysics and Physiology, Federal University of Piaui (UFPI), Teresina-PI, BRAZIL
| | - Jose Gerosa-Neto
- Department of Physical Education of the University Center of Maringá (UniCesumar), Maringa-PR, BRAZIL
| | - Nelo Eidy Zanchi
- Laboratory of Skeletal Muscle Biology and Human Strength Performance (LABFORCEH), Federal University of Maranhão (UFMA), São Luís-MA, BRAZIL
| | - Fabrício Eduardo Rossi
- Immunometabolism of Skeletal Muscle and Exercise Research Group, Department of Physical Education, Federal University of Piauí (UFPI), Teresina-PI, BRAZIL
- Graduate Program in Science and Health, Federal University of Piauí (UFPI), Teresina-PI, BRAZIL
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Giuriato G, Venturelli M, Matias A, Soares EMKVK, Gaetgens J, Frederick KA, Ives SJ. Capsaicin and Its Effect on Exercise Performance, Fatigue and Inflammation after Exercise. Nutrients 2022; 14:232. [PMID: 35057413 PMCID: PMC8778706 DOI: 10.3390/nu14020232] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 12/30/2021] [Accepted: 01/02/2022] [Indexed: 01/27/2023] Open
Abstract
Capsaicin (CAP) activates the transient receptor potential vanilloid 1 (TRPV1) channel on sensory neurons, improving ATP production, vascular function, fatigue resistance, and thus exercise performance. However, the underlying mechanisms of CAP-induced ergogenic effects and fatigue-resistance, remain elusive. To evaluate the potential anti-fatigue effects of CAP, 10 young healthy males performed constant-load cycling exercise time to exhaustion (TTE) trials (85% maximal work rate) after ingestion of placebo (PL; fiber) or CAP capsules in a blinded, counterbalanced, crossover design, while cardiorespiratory responses were monitored. Fatigue was assessed with the interpolated twitch technique, pre-post exercise, during isometric maximal voluntary contractions (MVC). No significant differences (p > 0.05) were detected in cardiorespiratory responses and self-reported fatigue (RPE scale) during the time trial or in TTE (375 ± 26 and 327 ± 36 s, respectively). CAP attenuated the reduction in potentiated twitch (PL: -52 ± 6 vs. CAP: -42 ± 11%, p = 0.037), and tended to attenuate the decline in maximal relaxation rate (PL: -47 ± 33 vs. CAP: -29 ± 68%, p = 0.057), but not maximal rate of force development, MVC, or voluntary muscle activation. Thus, CAP might attenuate neuromuscular fatigue through alterations in afferent signaling or neuromuscular relaxation kinetics, perhaps mediated via the sarco-endoplasmic reticulum Ca2+ ATPase (SERCA) pumps, thereby increasing the rate of Ca2+ reuptake and relaxation.
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Affiliation(s)
- Gaia Giuriato
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, Italy; (G.G.); (M.V.)
- Health and Human Physiological Sciences Department, Skidmore College, Saratoga Springs, NY 12866, USA; (A.M.); (E.M.K.V.K.S.)
| | - Massimo Venturelli
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, Italy; (G.G.); (M.V.)
- Department of Internal Medicine, University of Utah, Salt Lake City, UT 84132, USA
| | - Alexs Matias
- Health and Human Physiological Sciences Department, Skidmore College, Saratoga Springs, NY 12866, USA; (A.M.); (E.M.K.V.K.S.)
| | - Edgard M. K. V. K. Soares
- Health and Human Physiological Sciences Department, Skidmore College, Saratoga Springs, NY 12866, USA; (A.M.); (E.M.K.V.K.S.)
- Study Group on Exercise and Physical Activity Physiology and Epidemiology, Exercise Physiology Laboratory, Faculty of Physical Education, University of Brasilia—UnB, Brasilia 70910-900, Brazil
| | - Jessica Gaetgens
- Department of Chemistry, Skidmore College, Saratoga Springs, NY 12866, USA; (J.G.); (K.A.F.)
| | - Kimberley A. Frederick
- Department of Chemistry, Skidmore College, Saratoga Springs, NY 12866, USA; (J.G.); (K.A.F.)
| | - Stephen J. Ives
- Health and Human Physiological Sciences Department, Skidmore College, Saratoga Springs, NY 12866, USA; (A.M.); (E.M.K.V.K.S.)
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