Read by QxMD icon Read

Creatine monohydrate

Aquiles Yáñez-Silva, Cosme F Buzzachera, Ivan Da C Piçarro, Renata S B Januario, Luis H B Ferreira, Steven R McAnulty, Alan C Utter, Tacito P Souza-Junior
BACKGROUND: To determine the effects of a low dose, short-term Creatine monohydrate (Cr) supplementation (0.03 during 14 d) on muscle power output in elite youth soccer players. METHODS: Using a two-group matched, double blind, placebo-controlled design, nineteen male soccer players (mean age = 17.0 ± 0.5 years) were randomly assigned to either Cr (N = 9) or placebo (N = 10) group. Before and after supplementation, participants performed a 30s Wingate Anaerobic Test (WAnT) to assess peak power output (PPO), mean power output (MPO), fatigue index (FI), and total work...
2017: Journal of the International Society of Sports Nutrition
Michelle Hone, Robert M Kent, Alessandro Scotto di Palumbo, Sinead B Bleiel, Giuseppe De Vito, Brendan Egan
Creatine monohydrate represents one of the largest sports supplement markets. Enhancing creatine (CRE) stability in aqueous solutions, such as with microencapsulation, represents innovation potential. Ten physically active male volunteers were randomly assigned in a double-blind design to either placebo (PLA) (3-g maltodextrin; n = 5) or microencapsulated CRE (3-g creatine monohydrate; n = 5) conditions. Experimental conditions involved ingestion of the samples in a 70-mL ready-to-drink format. CRE was delivered in a novel microencapsulation matrix material consisting entirely of hydrolyzed milk protein...
January 25, 2017: Journal of Dietary Supplements
Susanne Andres, Rainer Ziegenhagen, Iris Trefflich, Sophie Pevny, Katharina Schultrich, Hans Braun, Wilhelm Schänzer, Karen Ildico Hirsch-Ernst, Bernd Schäfer, Alfonso Lampen
Creatine is a popular ergogenic supplement in sports nutrition. Yet, supplementation of creatine occasionally caused adverse effects such as gastrointestinal complaints, muscle cramps and an increase in body weight. Creatine monohydrate has already been evaluated by different competent authorities and several have come to the conclusion that a daily intake of 3 g creatine per person is unlikely to pose safety concerns, focusing on healthy adults with exclusion of pregnant and breastfeeding women. Possible vulnerable subgroups were also discussed in relation to the safety of creatine...
December 25, 2016: Molecular Nutrition & Food Research
Sara Hayward, Colin D Wilborn, Lem W Taylor, Stacie L Urbina, Jordan J Outlaw, Cliffa A Foster, Michael D Roberts
We examined if two different dietary interventions affected markers of soreness and inflammation over a 5-day high-volume resistance training protocol in females that resistance-trained 8 weeks prior. Twenty-eight females (age: 20 ± 1 yr; body mass: 63.5 ± 1.6 kg, height: 1.67 ± 0.01 m) completed 4 weeks of pre-training (weeks 1-4) followed by a subsequent 4-week training period along with a dietary intervention (weeks 5-8). Dietary interventions from weeks 5-8 included: a) no intervention (CTL, n = 10) b) a higher-protein diet supplemented with hydrolyzed whey protein (50 g/d) and omega-3 fatty acids (900 mg/d) (DI, n = 8), and c) the DI condition as well as creatine monohydrate (5 g/d) (DI+C, n = 10)...
December 2016: Journal of Sports Science & Medicine
Ricardo Alexandre Toniolo, Francy de Brito Ferreira Fernandes, Michelle Silva, Rodrigo da Silva Dias, Beny Lafer
BACKGROUND: Depressive episodes and cognitive impairment are major causes of morbidity and dysfunction in individuals suffering from bipolar disorder (BD). Novel treatment approaches that target clinical and cognitive aspects of bipolar depression are needed, and research on pathophysiology suggests that mitochondrial modulators such as the nutraceutical creatine monohydrate might have a therapeutic role for this condition. METHODS: Eighteen (N=18) patients with bipolar depression according to DSM-IV criteria who were enrollled in a 6-week, randomized, double-blind, placebo-controlled trial of creatine monohydrate 6g daily as adjunctive therapy were submitted to neuropsychological assessments (Wisconsin Card Sorting Test, Digit Span subtest of the Wechsler Adult Intelligence Scale-Third Edition, Stroop Color-Word Test, Rey-Osterrieth complex figure test, FAS Verbal Fluency Test) at baseline and week 6...
November 20, 2016: Journal of Affective Disorders
Colin D Wilborn, Jordan J Outlaw, Petey W Mumford, Stacie L Urbina, Sara Hayward, Michael D Roberts, Lem W Taylor, Cliffa A Foster
AIMS: We performed a pilot study examining the effects of whey protein and creatine supplementation (PRO + CRE group) versus whey protein supplementation (PRO group) alone on body composition and performance variables in a limited number of resistance-trained women. METHODS: Seventeen resistance-trained women (21 ± 3 years, 64.7 ± 8.2 kg, 23.5 kg/m2, 26.6 ± 4.8% body fat, >6 months of training) performed a 4-day per week split-body resistance training program for 8 weeks...
2016: Annals of Nutrition & Metabolism
Fatma Helvacioglu, Ersin Kandemir, Büşra Karabacak, İdil Karataş, Ahmet Peçen, İpek Ercan, Tuğçe Şençelikel, Attila Dağdeviren
AIM: Creatine is an endogenous molecule synthesized in liver, kidney and pancreas from glycin and arginine which is important for mitochondrial metabolism. It is widely used as a supplement for improving muscle mass and function for many years. As it is expected to prevent apoptosis and diminish oxidative stress it is also studied in a number of neurodegenerative diseases for its beneficial effect in recent years. We studied the effect of creatine on the peripheral nerve injury in an experimental rat crush injury model to obtain ultrastructural evidence...
October 13, 2016: Turkish Neurosurgery
Scott C Forbes, Nathan Sletten, Cody Durrer, Étienne Myette-Cote, Darren Candow, Jonathan P Little
High-intensity interval training (HIIT) has been shown to improve cardiorespiratory fitness, performance, body composition, and insulin sensitivity. Creatine (Cr) supplementation may augment responses to HIIT, leading to even greater physiological adaptations. The purpose of this study was to determine the effects of four weeks of HIIT (three sessions/week) combined with Cr supplementation in recreationally active females. Seventeen females (age = 23 ± 4 yrs; BMI = 23.4 ± 2.4) were randomly assigned to either Cr (Cr; 0...
October 21, 2016: International Journal of Sport Nutrition and Exercise Metabolism
Nari Ahn, Yea Hyun Leem, Morimasa Kato, Hyukki Chang
PURPOSE: The effects of creatine and exercise on chronic stress-induced depression are unclear. In the present study, we identified the effects of 4-week supplementation of creatine monohydrate and/or exercise on antidepressant behavior and raphe 5-HT expression in a chronic mild stress-induced depressed mouse model. METHODS: Seven-week-old male C57BL/6 mice (n=48) were divided randomly into 5 groups: (1) non-stress control (CON, n=10), (2) stress control (ST-CON, n=10), (3) stress and creatine intake (ST-Cr, n=10), (4) stress and exercise (ST-Ex, n=9), and (5) combined stress, exercise, and creatine intake (ST-Cr+Ex, n=9)...
September 2016: Journal of Exercise Nutrition & Biochemistry
Asghar Rahmani, Khairollah Asadollahi, Kourosh Soleimannejad, Zahra Khalighi, Yosouf Mohsenzadeh, Ruhollah Hemati, Atefeh Moradkhani, Ghobad Abangah
BACKGROUND: Creatine monohydrate has beneficial effects on serum glucose. This study aimed to investigate the effects of creatine on serum biochemical markers and permeability of coronary arteries among diabetic rats. MATERIAL AND METHODS: 32 Wistar rats, which weighed 150-200 grams were randomly divided into 4 groups including: group I, control; group II, creatine monohydrate; group III, diabetic rats; and group IV, diabetic rats + creatine. Creatine monohydrate was applied by 400 mg/kg/daily for 5 months...
September 2016: Annals of Clinical and Laboratory Science
Wolfgang Oertel, Jörg B Schulz
Over a period of more than 50 years, the symptomatic treatment of the motor symptoms of Parkinson disease (PD) has been optimized using pharmacotherapy, deep brain stimulation, and physiotherapy. The arsenal of pharmacotherapies includes L-Dopa, several dopamine agonists, inhibitors of monoamine oxidase (MAO)-B and catechol-o-methyltransferase (COMT), and amantadine. In the later course of the disease, motor complications occur, at which stage different oral formulations of L-Dopa or dopamine agonists with long half-life, a transdermal application or parenteral pumps for continuous drug supply can be subscribed...
October 2016: Journal of Neurochemistry
Eric C Bredahl, David Hydock
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
Razia Allahyar, Atif Akbar, Furhan Iqbal
BACKGROUND: Research findings made over the last few years have highlighted the important role of creatine (Cr) in health and disease. However, limited information is available regarding the effect of Cr supplementation on cognation. Present study was designed to determine the effect of variable doses of Cr (1% and 3%) on selected parameters of female albino mice behaviour. METHODS: Following weaning, on 20th postnatal day, female albino mice were divided into three groups on the basis of dietary supplementation...
February 2017: Acta Neuropsychiatrica
Farajollah Hemati, Asghar Rahmani, Khairollah Asadollahi, Koroush Soleimannejad, Zahra Khalighi
BACKGROUND: Previous studies have reported endothelial dysfunction and inflammatory cytokine in heart failure patients (HF). OBJECTIVES: The purpose of this study was to determine the effects of creatine monohydrate and exercise on inflammatory and endothelial dysfunction markers among HF patients. PATIENTS AND METHODS: One hundred patients were prospectively randomized into two groups: Intervention group which received 5 grams/day creatine monohydrate and exercised for 8 weeks; and control group which did not receive any interventions...
March 2016: Asian Journal of Sports Medicine
L Zhang, X D Zhu, X F Wang, J L Li, F Gao, G H Zhou
Two trials were conducted to investigate the individual and combined effects of in-ovo injection of creatine monohydrate ( CMH: ) and glucose on the somatic characteristics and energy status of broiler embryos and hatchlings and the growth performance of chicks during the first wk posthatch. In trial 1, 550 17.5-day-old living, fertile eggs were randomly assigned to 1 of 5 treatment groups, including 1) a noninjected control, 2) a 0.4 mL diluent-injected control, or 0.4 mL diluents containing 3) 6 mg CMH, 4) 25 mg glucose, or 5) a combination of 6 mg CMH and 25 mg glucose (identified as CMH+G: )...
October 1, 2016: Poultry Science
Elfego Galvan, Dillon K Walker, Sunday Y Simbo, Ryan Dalton, Kyle Levers, Abigail O'Connor, Chelsea Goodenough, Nicholas D Barringer, Mike Greenwood, Christopher Rasmussen, Stephen B Smith, Steven E Riechman, James D Fluckey, Peter S Murano, Conrad P Earnest, Richard B Kreider
BACKGROUND: Creatine monohydrate (CrM) and nitrate are popular supplements for improving exercise performance; yet have not been investigated in combination. We performed two studies to determine the safety and exercise performance-characteristics of creatine nitrate (CrN) supplementation. METHODS: Study 1 participants (N = 13) ingested 1.5 g CrN (CrN-Low), 3 g CrN (CrN-High), 5 g CrM or a placebo in a randomized, crossover study (7d washout) to determine supplement safety (hepatorenal and muscle enzymes, heart rate, blood pressure and side effects) measured at time-0 (unsupplemented), 30-min, and then hourly for 5-h post-ingestion...
2016: Journal of the International Society of Sports Nutrition
Douglas G Kondo, Lauren N Forrest, Xianfeng Shi, Young-Hoon Sung, Tracy L Hellem, Rebekah S Huber, Perry F Renshaw
Major depressive disorder (MDD) often begins during adolescence and is projected to become the leading cause of global disease burden by the year 2030. Yet, approximately 40 % of depressed adolescents fail to respond to standard antidepressant treatment with a selective serotonin reuptake inhibitor (SSRI). Converging evidence suggests that depression is related to brain mitochondrial dysfunction. Our previous studies of MDD in adult and adolescent females suggest that augmentation of SSRI pharmacotherapy with creatine monohydrate (CM) may improve MDD outcomes...
August 2016: Amino Acids
Sujung Yoon, Jieun E Kim, Jaeuk Hwang, Tae-Suk Kim, Hee Jin Kang, Eun Namgung, Soonhyun Ban, Subin Oh, Jeongwon Yang, Perry F Renshaw, In Kyoon Lyoo
BACKGROUND: Creatine monohydrate (creatine) augmentation has the potential to accelerate the clinical responses to and enhance the overall efficacy of selective serotonin reuptake inhibitor treatment in women with major depressive disorder (MDD). Although it has been suggested that creatine augmentation may involve the restoration of brain energy metabolism, the mechanisms underlying its antidepressant efficacy are unknown. METHODS: In a randomized, double-blind, placebo-controlled trial, 52 women with MDD were assigned to receive either creatine augmentation or placebo augmentation of escitalopram; 34 subjects participated in multimodal neuroimaging assessments at baseline and week 8...
September 15, 2016: Biological Psychiatry
Rahman Rahimi, Bahman Mirzaei, Farhad Rahmani-Nia, Zivar Salehi
BACKGROUND: Creatine monohydrate (CrM) has been shown to be beneficial to health due to its antioxidant potential. Strenuous exercise is associated with oxidative stress, which could lead to apoptosis. We investigated the ability of CrM in amelioration of apoptosis induced by incremental aerobic exercise (AE) to exhaustion in young athletes. MATERIALS AND METHODS: In a placebo-controlled, double-blind, randomized, parallel study, 31 young athletes (age 19.52 ± 2...
August 2015: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
Shahid Iqbal, Muhammad Ali, Furhan Iqbal
IL-6 has been reported to have neuroprotective effects against cerebral ischemia while IL-8 is a pro inflammatory cytokine structurally related to interleukin-1 family. In the present study, we tried to determine whether 2% Creatine monohydrate supplementation for variable duration influence the IL-6 and 18 concentrations in the serum of male albino mouse following right common carotid artery ligation and hypoxia (8% oxygen) for 25 minutes. Our result revealed that serum concentration of IL6 (P=0.0001) as well as IL-18 (P=0...
November 2015: Pakistan Journal of Pharmaceutical Sciences
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"