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A prospective study of caffeine and coffee intake and premenstrual syndrome
premenstrual syndrome women’s health caffeine coffee tea
2018/12/13
Background: Clinically significant premenstrual syndrome (PMS) affects 15–20% of premenopausal women, substantially reducing quality of life. Women with PMS often are counseled to minimize caffeine in...
Caffeine intake increases the rate of bone loss in elderly women and interacts with vitamin D receptor genotypes
bone mineral density elderly women Caffeine
2016/6/14
Our goals were 1) to compare in both a crosssectional
study and a 3-y longitudinal study the bone mineral
density (BMD) of postmenopausal women consuming high or
low amounts of caffeine and 2) to s...
Dietary caffeine acutely increases urinary calcium loss (1),
and these losses are not entirely compensated for in the 24 h after
caffeine consumption (2). Overall, the evidence indicates that
young...
Efficacy of a green tea extract rich in catechin polyphenols and caffeine in increasing 24-h energy expenditure and fat oxidation in humans
Obesity thermogenesis catechins polyphenols
2016/6/2
Current interest in the role of functional foods in
weight control has focused on plant ingredients capable of interfering
with the sympathoadrenal system.
Muscle Pain as a Regulator of Cycling Intensity: Effect of Caffeine Ingestion
EXERCISE PERRORMANCE ADENOSINE ANTAGONISM
2017/4/13
Caffeine ingestion improves endurance time trial performance. However, the ergogenic mechanism of action remains unresolved. One potential explanation for caffeine’s performance-enhancing effect is an...
Effect of Caffeine on Golf Performance and Fatigue during a Competitive Tournament
NUTRITION GOLFERS ENERGY ACCURACY
2017/4/13
Purpose: This study aimed to determine the effect of a caffeine-containing supplement on golf-specific performance and fatigue during a 36-hole competitive golf tournament.
Methods: Twelve male golfe...
Coffee and caffeine consumption and the risk of hypertension in postmenopausal women
blood pressure caffeinated coffee caffeine decaffeinated coffee hypertension
2018/11/23
Background: The associations of coffee and caffeine intakes with the risk of incident hypertension remain controversial.
The effects of supplementation with P-Synephrine alone and in combination with caffeine on resistance exercise performance
supplementation with P-Synephrine alone caffeine resistance exercise performance
2015/9/24
Little is known concerning the potential ergogenic effects of p-synephrine supplementation. Therefore, the purpose of the present study was to examine the effects of supplementation with p-synephrine ...
Effects of Time-Release Caffeine Containing Supplement on Metabolic Rate, Glycerol Concentration and Performance
Caffeine bioavailability energy multiple object tracking
2015/8/28
This study compared caffeine pharmacokinetics, glycerol concentrations, metabolic rate, and performance measures following
ingestion of a time-release caffeine containing supplement (TRCAF) versus a...
Erratum to:The influence of a CYP1A2 polymorphism on the ergogenic effects of caffeine
CYP1A2 polymorphism ergogenic caffeine
2015/7/30
Following publication of this article [1], we recently noticed that two subjects in this study were not assigned to the correct genetic groups. One of the AA homozygotes was incorrectly entered as a C...
Effects of carbohydrate combined with caffeine on repeated sprint cycling and agility performance in female athletes
Anaerobic capacity Ergogenic aids Fatigue Hormone Metabolic substrate Nutrition
2015/7/29
Caffeine (CAF) has been shown to improve performance during early phase of repeated sprint exercise; however some studies show that CAF also increases the magnitude of physical stress represented by a...
The influence of a CYP1A2 polymorphism on the ergogenic effects of caffeine
Genetics Cycling Caffeine Endurance performance
2015/7/23
Although caffeine supplementation improves performance, the ergogenic effect is variable. The cause(s) of this variability are unknown. A (C/A) single nucleotide polymorphism at intron 1 of the cytoch...
Skill execution and sleep deprivation:effects of acute caffeine or creatine supplementation-a randomized placebo-controlled trial
Skill execution sleep deprivation acute caffeine creatine supplementation
2015/7/22
We investigated the effects of sleep deprivation with or without acute supplementation of caffeine or creatine on the execution of a repeated rugby passing skill.Ten elite rugby players completed 10 t...
The effects of a high dosage of creatine and caffeine supplementation on the lean body mass composition of rats submitted to vertical jumping training
high dosage creatine and caffeine supplementation lean body mass composition rats submitted vertical jumping training
2015/7/22
The influences of creatine and caffeine supplementation associated with power exercise on lean body mass (LBM) composition are not clear. The purpose of this research was to determine whether suppleme...
The effects of a pre-workout supplement containing caffeine,creatine,and amino acids during three weeks of high-intensity exercise on aerobic and anaerobic performance
pre-workout supplement containing caffeine creatine amino acids three weeks high-intensity exercise aerobic anaerobic performance
2015/7/20
A randomized, single-blinded, placebo-controlled, parallel design study was used to examine the effects of a pre-workout supplement combined with three weeks of high-intensity interval training (HIIT)...