Caffeine and Taurine Enhance Endurance Performance

Imagawa, Toshiaki; Hirano, Ikuo; Utsuki, K.; Horie, Masaki; Naka, Ayano; Matsumoto, K.; Imagawa, Shogo

doi:10.1055/s-0028-1104574

Cited by 32 publications

(27 citation statements)

References 15 publications

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“…This is confirmed by experimental results proving the that after two weeks an additive effects of Caffeine and Taurine occur and no additive effect is observed after only a week administration [40].…”

Section: Effects Of Energy Supplements Containing Combination Of Cafsupporting

confidence: 76%

Investigation of Some Pharmacological Effects of Caffeine and Taurine in Food Supplements

Tsvetkova¹,

Klisurov²,

Pankova³

et al. 2015

IJNFS

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Abstract:In modern times in all age groups energy supplements containing different amounts of Caffeine and Taurine are applied. Caffeine is purine alkaloid, which stimulates central nervous system action, enhances the strength and frequency of the cardiac contractions and increases the excretion of urine. Taurine is a sulfur containing amino acid, which possesses many fundamental biological roles including: effect on synaptic transmission in the central nervous system, cardiotropic action, antioxidant and anticonvulsant activity, improvement of energy processes, stimulation of reparative processes in tissues, protection of eyes cataract, decrease of cholesterol and stimulation of immune system. The combination of Caffeine and Taurine provide benefit due to obtaining synergism of pharmacological effects in increasing of physical activity, stimulation of brain action, cognition, memory and attention. In connection with the significant enlarging of the consumption of energy drinks, especially by children and young people in recent years the requirements for regulation and control of the labeling of these products in many countries are enlarged. In many food additives Caffeine and Taurine are added in not labeled high concentrations, which can provoke and increase their side effects. High consumption of Caffeine enhances its adverse effects on body: anxiety, headache, insomnia, nervousness, respiratory disorders, tachycardia, tremor, dehydration. In children the adverse reactions of Caffeine in much lower doses than adults are occurred. In high concentrations Taurine has adverse effects on brain activity and can induce psoriasis. The result of combination of Caffeine and Taurine is associated with increased diuretic effect and loss of water and salts from the body, especially in children and young people. Because of these facts the quality and quantity control of included compounds in food supplements is important for their health safety.

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Section: Effects Of Energy Supplements Containing Combination Of Cafsupporting

confidence: 76%

Investigation of Some Pharmacological Effects of Caffeine and Taurine in Food Supplements

Tsvetkova¹,

Klisurov²,

Pankova³

et al. 2015

IJNFS

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“…Adicionalmente, tem sido demonstrado que a cafeína pode melhorar o desempenho físico em exercícios aeróbios como: corrida (Imagawa et al, 2009), ciclismo (Goldstein, Jacobs, Whitehurst, Penhollow, & Antonio, 2010;Simmonds, Minahan, & Sabapathy, 2010), remo (Skinner, Jenkins, Coombes, Taaffe, & Leveritt, 2009) e até mesmo no futebol (Foskett et al, 2009). Entretanto, o efeito ergogênico da cafeína sobre a performance em treino de força muscular ainda não está plenamente estabelecido, nem tampouco os mecanismos de ação fisiológica desta sobre o organismo (Altimari et al, 2006;Astorino & Roberson, 2010).…”

Section: Discussionunclassified

“…Embora o efeito ergogênico da cafeína sobre o desempenho em exercício aeróbio esteja bem documentado (Cox et al, 2002;Foskett, Ali, & Gant, 2009;Imagawa et al, 2009) durante exercícios anaeróbios ou de força muscular não é conclusivo o efeito ergogênico da cafeína. Estudos anteriores têm apontado a cafeína como possível agente ergogênico no treinamento anaeróbio (Altimari et al, 2006;Astorino & Roberson, 2010).…”

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Efeito agudo da suplementação da cafeína no desempenho da força muscular e alterações cardiovasculares durante o treino de força

Materko¹,

Santos²

2011

Motricidade

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RESUMOA proposta do presente estudo foi avaliar o efeito agudo da cafeína no desempenho da força muscular, paralelamente a possíveis alterações hemodinâmicas ao longo de uma sessão de treino de força muscular. Treze homens, experientes em treino de força, realizaram um protocolo de 3 sets de 10 repetições máximas (10RM) nos exercícios supino reto (SR), puxada pela frente no pulley (PP), cadeira extensora (CE) e mesa flexora (MF) segundo três procedimentos: sem suplementação (C), com suplementação de 250 mg de cafeína (S) e placebo (P). Após avaliação antropométrica, procedeu-se a um teste de 10RM de familiarização. Realizaram-se medidas hemodinâmicas antes, durante e no final de cada sessão -frequência cardíaca (FC) e pressão arterial (PA) -mantendo intervalos de 48h, cada voluntário realizou mais três sessões de 10RM, quando se procedeu, aleatoriamente, a administração de C, S ou P. Encontraram-se diferenças significativas para a carga de 10RM nos exercícios SR e CE, em comparação às intervenções S e C. Nenhuma diferença na FC ou PA foi registrada entre todos os procedimentos. Em conclusão, os resultados do presente estudo sugerem que a cafeína exerce um efeito ergogênico sobre a força muscular submáxima ao longo de uma sessão de treino de força. Palavras-chave: cafeína, força muscular, frequência cardíaca, pressão arterial, exercício físico ABSTRACTThe purpose of the present study was to evaluate the acute effect of caffeine on the muscular strength performance in addition to the possible hemodynamic changes during a strength training session. Thirteen strength training experienced male subjects were submitted to a protocol of three sets of 10RM for bench press (BP), pull press (PP), leg extension (LE) and leg curl (LC), according to three conditions: no supplementation (C); 250 mg of caffeine supplementation (S); placebo (P). All subjects were submitted to an anthropometric evaluation, followed by a 10RM familiarization test. Hemodynamic measurements -heart rate (HR) and blood pressure (BP) -were carried out before, during and after each session. Holding 48 hours time intervals, participants were submitted to three randomly presented 10RM tests according to C, S and P conditions. For conditions S and C, significant differences were found in BP and LE. No significant differences in HR and BP were found. Results seem to suggest an ergogenic effect of caffeine on submaximal muscle strength during a session of strength training.

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“…In vivo and in vitro evidence suggests that chronic taurine supplementation can positively enhance 72 skeletal muscle performance (Imagawa et al 2009). Chronic taurine supplementation in rats has 73 been shown to lead to large increases in muscle taurine concentration and a consequential 74 enhancement of muscle force.…”

Section: Introduction 51mentioning

confidence: 99%

Does a physiological concentration of taurine increase acute muscle power output, time to fatigue, and recovery in isolated mouse soleus (slow) muscle with or without the presence of caffeine?

Tallis

Higgins

Cox

et al. 2014

Can. J. Physiol. Pharmacol.

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when combined with a high concentration of taurine. However, the high concentration of caffeine 34 used in previous research would be toxic for human consumption. Therefore the present study aims 35 to investigate the direct effect of a physiological dose of caffeine and taurine to potentiate skeletal 36 muscle performance. Isolated mouse soleus muscle was used to examine the effects of physiological 37 taurine (TAU), caffeine (CAF), and taurine-caffeine combined (TC) on: 1) acute muscle power output; 382) time to fatigue; and 3) fatigue recovery, compared to untreated controls (CON). Treatment with 39 TAU failed to elicit any significant difference in the measured parameters. Treatment with TC 40 resulted in a significant increase in acute muscle power output and faster time to fatigue. The 41 ergogenic benefit posed by TC was not different from the effects of caffeine alone, suggesting no 42 acute ergogenic benefit of taurine. 43

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Caffeine and Taurine Enhance Endurance Performance

Cited by 32 publications

References 15 publications

Investigation of Some Pharmacological Effects of Caffeine and Taurine in Food Supplements

Investigation of Some Pharmacological Effects of Caffeine and Taurine in Food Supplements

Efeito agudo da suplementação da cafeína no desempenho da força muscular e alterações cardiovasculares durante o treino de força

Does a physiological concentration of taurine increase acute muscle power output, time to fatigue, and recovery in isolated mouse soleus (slow) muscle with or without the presence of caffeine?

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