Background: Caffeine enhances the efficacy of non-opioid analgesics. Data on the cardiovascular health effects of caffeine intake are controversial, and studies on the cardiovascular effects of medical caffeine use are lacking.
Objective: The study aims to explore the cardiovascular effects of an ibuprofen/caffeine combination in comparison to ibuprofen alone.
Methods: Secondary analysis of a previously reported bioequivalence study of a single dose of a fixed dose ibuprofen/caffeine combination (400/100 mg) vs. ibuprofen alone in a randomized, cross-over design in 36 healthy volunteers. Plasma catecholamines were analyzed to enhance mechanistic interpretation of the data.
Results: After exclusion of 10 protocol violators (pre-dosing intake of caffeine), vital signs were comparable over a 24-h period in the absence and presence of caffeine. Plasma catecholamine levels were also comparable.
Conclusion: These data do not support the hypothesis that occasional intake of a small dose of caffeine as part of pain medication imposes a health risk due to vital sign changes. Based on the proven increase in efficacy, the addition of caffeine to non-opioid analgesics such as IBU has a favorable risk/benefit profile for occasional use.
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http://dx.doi.org/10.2174/1574886317666220414125027 | DOI Listing |
Nutr Res
January 2025
Department of Molecular Medicine, University of Padova, Padova, Italy; IMDEA-Food, Madrid, Spain. Electronic address:
l-Theanine is a unique non-protein amino acid found abundantly in tea leaves. Interest in its potential use as a dietary supplement has surged recently, especially claims related to promoting relaxation and cognitive enhancement. This review surveys the chemistry, metabolism, and purported biological activities of l-theanine.
View Article and Find Full Text PDFVet Sci
January 2025
Taronga Institute of Science and Learning, Taronga Conservation Society Australia, Mosman, NSW 2088, Australia.
Reproductive technologies, including sperm cryopreservation, offer conservationists enhanced capacity to genetically manage populations and improve the outcomes of conservation breeding programs (CBPs). Despite this potential, the post-thaw quality of amphibian sperm is highly variable following cryopreservation, and research focused on protocol refinement is needed. The aim of this study was twofold: (1) to investigate the effect of the addition of bovine serum albumin (BSA) to the cryopreservation medium (pre-freeze), and (2) the effect of the addition of caffeine to the activation medium (post-thaw), on post-thaw sperm characteristics in the critically endangered Booroolong frog ().
View Article and Find Full Text PDFFront Nutr
January 2025
Research and Development, British American Tobacco (Investments) Ltd., Southampton, United Kingdom.
Introduction: Functional beverages are increasingly popular but it is important to validate their purported effects through research. The aim of the current study was to investigate the effects of a new functional energy shot on cognitive performance and mood states in healthy adults, with a focus on measuring mental energy enhancement and attenuation of negative effects associated with extended performance of mentally demanding tasks.
Methods: This study was a randomized, double-blind, placebo-controlled, crossover trial.
J Educ Health Promot
December 2024
Faculty of Public Health, Mahasarakham University, Thailand.
Background: Urinary incontinence (UI) has been overlooked by elderly females because it is considered an embarrassment and physical dysfunction that occurs naturally in older women. However, UI is problematic if symptoms are ignored, and the condition becomes chronic.
Materials And Methods: This cross-sectional descriptive research was conducted in a community context using semi-structured interviews as data collection methods.
Food Res Int
February 2025
Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, National Center for Tea Improvement, Tea Research Institute Chinese Academy of Agricultural Sciences (TRICAAS), Hangzhou 310008, China. Electronic address:
Tea is a widely consumed beverage worldwide due to its rich secondary metabolites. Gallotanin: 1-O-galloyl-6-O-luteoyl-α-D-glucose (GLAG) has strong antioxidant activity and good resistance to a wide range of bacteria and malaria. Despite its potential, there have been few reports on GLAG in plants.
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