The Acute Effects of a Commercially Available Caffeinated and Caffeine-Free Thermogenic Dietary Supplement on Resting Energy Expenditure, Hunger, and Hemodynamic Responses
There has been a rise in popularity of “stimulant-free” or caffeine-free fat loss supplements, but it is not well understood whether those fat loss supplements are effective at enhancing thermogenesis without caffeine’s influence. The purpose of this study was to examine the effects of a caffeinated...
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| Format: | Article |
| Language: | English |
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MDPI AG
2024-02-01
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| Series: | Nutraceuticals |
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| Online Access: | https://www.mdpi.com/1661-3821/4/1/6 |
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| author | Kworweinski Lafontant Jacob Broeckel Kara Phillips Yasamian Alsayed Wayne A. Ayers-Creech Yuto Ohigashi John Solis Cassidy Bale Arielle Parks Scott Dankel Bill I. Campbell |
| author_facet | Kworweinski Lafontant Jacob Broeckel Kara Phillips Yasamian Alsayed Wayne A. Ayers-Creech Yuto Ohigashi John Solis Cassidy Bale Arielle Parks Scott Dankel Bill I. Campbell |
| author_sort | Kworweinski Lafontant |
| collection | DOAJ |
| description | There has been a rise in popularity of “stimulant-free” or caffeine-free fat loss supplements, but it is not well understood whether those fat loss supplements are effective at enhancing thermogenesis without caffeine’s influence. The purpose of this study was to examine the effects of a caffeinated and non-caffeinated commercially available fat loss supplement on resting energy expenditure (REE), hunger, and hemodynamic variables in healthy adults. Twenty-five healthy male and female participants completed three separate laboratory visits after overnight fasts. Baseline assessments of REE, subjective hunger, heart rate (HR), and blood pressure (BP) were followed by ingestion of a caffeinated (Phoenix, Legion<sup>®</sup>; CAF), non-caffeinated (Phoenix Caffeine-Free, Legion<sup>®</sup>; NCAF), or placebo (PL) fat loss supplement. REE, hunger, HR, and BP assessments were repeated at 60-, 120-, and 180-min post-ingestion. CAF, but not NCAF, significantly elevated REE greater than PL at all time points (<i>p</i> < 0.05). NCAF significantly reduced hunger compared to CAF and PL at the 120-min time point (<i>p</i> = 0.006). CAF significantly increased diastolic BP 60-min post-ingestion and significantly increased systolic BP 120- and 180-min post-ingestion compared to NCAF and PL. Further research is warranted with respect to investigating non-caffeinated ingredients and their effects on REE. |
| first_indexed | 2024-04-24T17:57:07Z |
| format | Article |
| id | doaj.art-4c94c749c41c42a893ae9659a65d1310 |
| institution | Directory Open Access Journal |
| issn | 1661-3821 |
| language | English |
| last_indexed | 2024-04-24T17:57:07Z |
| publishDate | 2024-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nutraceuticals |
| spelling | doaj.art-4c94c749c41c42a893ae9659a65d13102024-03-27T13:57:59ZengMDPI AGNutraceuticals1661-38212024-02-0141829310.3390/nutraceuticals4010006The Acute Effects of a Commercially Available Caffeinated and Caffeine-Free Thermogenic Dietary Supplement on Resting Energy Expenditure, Hunger, and Hemodynamic ResponsesKworweinski Lafontant0Jacob Broeckel1Kara Phillips2Yasamian Alsayed3Wayne A. Ayers-Creech4Yuto Ohigashi5John Solis6Cassidy Bale7Arielle Parks8Scott Dankel9Bill I. Campbell10Performance & Physique Enhancement Laboratory, Exercise Science Program, University of South Florida, Tampa, FL 33629, USAPerformance & Physique Enhancement Laboratory, Exercise Science Program, University of South Florida, Tampa, FL 33629, USAPerformance & Physique Enhancement Laboratory, Exercise Science Program, University of South Florida, Tampa, FL 33629, USAPerformance & Physique Enhancement Laboratory, Exercise Science Program, University of South Florida, Tampa, FL 33629, USAPerformance & Physique Enhancement Laboratory, Exercise Science Program, University of South Florida, Tampa, FL 33629, USAPerformance & Physique Enhancement Laboratory, Exercise Science Program, University of South Florida, Tampa, FL 33629, USAPerformance & Physique Enhancement Laboratory, Exercise Science Program, University of South Florida, Tampa, FL 33629, USAPerformance & Physique Enhancement Laboratory, Exercise Science Program, University of South Florida, Tampa, FL 33629, USAPerformance & Physique Enhancement Laboratory, Exercise Science Program, University of South Florida, Tampa, FL 33629, USAHealth and Exercise Science Department, School of Nursing & Health Professions, Rowan University, Glassboro, NJ 08028, USAPerformance & Physique Enhancement Laboratory, Exercise Science Program, University of South Florida, Tampa, FL 33629, USAThere has been a rise in popularity of “stimulant-free” or caffeine-free fat loss supplements, but it is not well understood whether those fat loss supplements are effective at enhancing thermogenesis without caffeine’s influence. The purpose of this study was to examine the effects of a caffeinated and non-caffeinated commercially available fat loss supplement on resting energy expenditure (REE), hunger, and hemodynamic variables in healthy adults. Twenty-five healthy male and female participants completed three separate laboratory visits after overnight fasts. Baseline assessments of REE, subjective hunger, heart rate (HR), and blood pressure (BP) were followed by ingestion of a caffeinated (Phoenix, Legion<sup>®</sup>; CAF), non-caffeinated (Phoenix Caffeine-Free, Legion<sup>®</sup>; NCAF), or placebo (PL) fat loss supplement. REE, hunger, HR, and BP assessments were repeated at 60-, 120-, and 180-min post-ingestion. CAF, but not NCAF, significantly elevated REE greater than PL at all time points (<i>p</i> < 0.05). NCAF significantly reduced hunger compared to CAF and PL at the 120-min time point (<i>p</i> = 0.006). CAF significantly increased diastolic BP 60-min post-ingestion and significantly increased systolic BP 120- and 180-min post-ingestion compared to NCAF and PL. Further research is warranted with respect to investigating non-caffeinated ingredients and their effects on REE.https://www.mdpi.com/1661-3821/4/1/6stimulantsnon-stimulantfat lossfat burnermetabolism |
| spellingShingle | Kworweinski Lafontant Jacob Broeckel Kara Phillips Yasamian Alsayed Wayne A. Ayers-Creech Yuto Ohigashi John Solis Cassidy Bale Arielle Parks Scott Dankel Bill I. Campbell The Acute Effects of a Commercially Available Caffeinated and Caffeine-Free Thermogenic Dietary Supplement on Resting Energy Expenditure, Hunger, and Hemodynamic Responses Nutraceuticals stimulants non-stimulant fat loss fat burner metabolism |
| title | The Acute Effects of a Commercially Available Caffeinated and Caffeine-Free Thermogenic Dietary Supplement on Resting Energy Expenditure, Hunger, and Hemodynamic Responses |
| title_full | The Acute Effects of a Commercially Available Caffeinated and Caffeine-Free Thermogenic Dietary Supplement on Resting Energy Expenditure, Hunger, and Hemodynamic Responses |
| title_fullStr | The Acute Effects of a Commercially Available Caffeinated and Caffeine-Free Thermogenic Dietary Supplement on Resting Energy Expenditure, Hunger, and Hemodynamic Responses |
| title_full_unstemmed | The Acute Effects of a Commercially Available Caffeinated and Caffeine-Free Thermogenic Dietary Supplement on Resting Energy Expenditure, Hunger, and Hemodynamic Responses |
| title_short | The Acute Effects of a Commercially Available Caffeinated and Caffeine-Free Thermogenic Dietary Supplement on Resting Energy Expenditure, Hunger, and Hemodynamic Responses |
| title_sort | acute effects of a commercially available caffeinated and caffeine free thermogenic dietary supplement on resting energy expenditure hunger and hemodynamic responses |
| topic | stimulants non-stimulant fat loss fat burner metabolism |
| url | https://www.mdpi.com/1661-3821/4/1/6 |
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