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Sports Performance Supplement

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41. Effect of Dietary Nitrate Supplementation on Swimming Performance in Trained Swimmers. (PubMed)

Effect of Dietary Nitrate Supplementation on Swimming Performance in Trained Swimmers. Nitrate supplementation appears to be most ergogenic when oxygen availability is restricted and subsequently may be particularly beneficial for swimming performance due to the breath-hold element of this sport. This represents the first investigation of nitrate supplementation and swimming time-trial (TT) performance. In a randomized double-blind repeated-measures crossover study, ten (5 male, 5 female (...) ) trained swimmers ingested 140ml nitrate-rich (~12.5mmol nitrate) or nitrate-depleted (~0.01mmol nitrate) beetroot juice. Three hours later, subjects completed a maximal effort swim TT comprising 168m (8 × 21m lengths) backstroke. Preexercise fractional exhaled nitric oxide concentration was significantly elevated with nitrate compared with placebo, Mean (SD): 17 (9) vs. 7 (3)p.p.b., p = .008. Nitrate supplementation had a likely trivial effect on overall swim TT performance (mean difference 1.22s; 90

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2017 International journal of sport nutrition and exercise metabolism Controlled trial quality: uncertain

42. Effects of Coenzyme Q10 Supplementation on Oxidative Stress, Antioxidant Capacity, Inflammatory Responses, Fatigue Elimination, and Exercise Performance in Athletes.

Assignment Masking: Double (Participant, Care Provider) Primary Purpose: Basic Science Official Title: Effects of Coenzyme Q10 Supplementation on Oxidative Stress, Antioxidant Capacity, Inflammatory Responses, Fatigue Elimination, and Exercise Performance in Athletes From Different Sports: Cross-sectional, Interventional, and Follow-up Studies. Estimated Study Start Date : December 1, 2017 Estimated Primary Completion Date : July 31, 2018 Estimated Study Completion Date : July 31, 2018 Resource links (...) Effects of Coenzyme Q10 Supplementation on Oxidative Stress, Antioxidant Capacity, Inflammatory Responses, Fatigue Elimination, and Exercise Performance in Athletes. Effects of Coenzyme Q10 Supplementation on Oxidative Stress, Antioxidant Capacity, Inflammatory Responses, Fatigue Elimination, and Exercise Performance in Athletes. - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x

2017 Clinical Trials

43. A Low Dose Caffeine and Carbohydrate Supplement does not Improve Athletic Performance during Volleyball Competition (PubMed)

A Low Dose Caffeine and Carbohydrate Supplement does not Improve Athletic Performance during Volleyball Competition Dietary supplements are widely used to enhance sport performance and the combination of carbohydrate and caffeine (CHO+CAF) has yielded particularly high performance gains. Though the effects of a CHO+CAF supplement have been studied in a laboratory environment, little research exists on the effects of supplementation during competition. Therefore, the purpose of this study (...) was to determine the effects of a CHO+CAF supplement on athletic performance in competition. Eight female collegiate volleyball players completed three testing sessions under three different conditions separated by approximately one week each: CHO+CAF supplement, placebo (PBO), and control (CTL) using a randomized, cross-over design. Blood glucose (BG) was assessed prior to supplementation and immediately after set three. The supplement and PBO were administered prior to play and between sets two and three

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2017 International journal of exercise science Controlled trial quality: uncertain

44. Dietary nitrate supplementation improves team sport-specific intense intermittent exercise performance. (PubMed)

Dietary nitrate supplementation improves team sport-specific intense intermittent exercise performance. Recent studies have suggested that dietary inorganic nitrate (NO₃(-)) supplementation may improve muscle efficiency and endurance exercise tolerance but possible effects during team sport-specific intense intermittent exercise have not been examined. We hypothesized that NO₃(-) supplementation would enhance high-intensity intermittent exercise performance. Fourteen male recreational team (...) uptake or by better maintaining muscle excitability. Dietary NO₃(-) supplementation improves performance during intense intermittent exercise and may be a useful ergogenic aid for team sports players.

2013 European journal of applied physiology Controlled trial quality: uncertain

45. [EFFECTS OF INGESTING CARBOHYDRATE-PROTEIN SUPPLEMENTS DURING EXERCISE ON ENDURANCE PERFORMANCE: A SYSTEMATIC REVIEW]. (PubMed)

[EFFECTS OF INGESTING CARBOHYDRATE-PROTEIN SUPPLEMENTS DURING EXERCISE ON ENDURANCE PERFORMANCE: A SYSTEMATIC REVIEW]. sports drinks aid to improve physical performance significantly because of its content of carbohydrate, electrolytes and water. However, in recent decades it has been found that drinking a sports drink with protein during exercise improves endurance performance, produces lower losses of body weight induced by dehydration and helps to reduce post-exercise muscle damage compared (...) to a drink only with carbohydrate and electrolytes.the aim of this study was to analyze the main studies about the effectiveness of a supplement intake with carbohydrate, protein and electrolytes during exercise.studies were identified by searching Google Scholar, EBSCO, PubMed and Scopus using the following search terms: Carbohydrate-protein and performance and Added protein and sports drink. The methodological quality of the trials was evaluated, and It was considered that the intake of the supplement

2015 Nutricion hospitalaria

46. ACR–ASNR–SPR Practice Parameter for the Performance of Magnetic Resonance Imaging (MRI) of the Head and Neck

ACR–ASNR–SPR Practice Parameter for the Performance of Magnetic Resonance Imaging (MRI) of the Head and Neck PRACTICE PARAMETER 1 MRI Head and Neck The American College of Radiology, with more than 30,000 members, is the principal organization of radiologists, radiation oncologists, and clinical medical physicists in the United States. The College is a nonprofit professional society whose primary purposes are to advance the science of radiology, improve radiologic services to the patient, study (...) in each document. Reproduction or modification of the published practice parameter and technical standard by those entities not providing these services is not authorized. Revised 2018 (Resolution 16)* ACR –ASNR –SPR PRACTICE PARAMETER FOR THE PERFORMANCE OF MAGNETIC RESONANCE IMAGING (MRI) OF THE HEAD AND NECK PREAMBLE This document is an educational tool designed to assist practitioners in providing appropriate radiologic care for patients. Practice Parameters and Technical Standards

2019 American Society of Neuroradiology

47. Youth Sport Programs that Address Substance Use ? An Environmental Scan

historically promoted an anti-drug attitude wherein performance enhancing drugs are seen as a form of cheating and the use of recreational drugs are seen as a disservice against an athlete’s greatest asset — his or her health (Crabbe, 2000). Sport encourages athletes to treat their bodies well in terms of nutrition, sleep and abstention from harmful substances to ensure they are in an optimal position to perform their best during competition. Thus, it is not surprising that there are individuals who (...) that included an evaluation of a program. Grey literature was included if the resource provided the program objectives and program description. The PubMed and PsycINFO databases were searched. Other sources included Google Scholar and Google. Search terms used were a variation of the terms Drug Education, Drug Abuse Prevention, Alcohol Use, Alcohol Rehabilitation, Harm Reduction, Performance Enhancing Drugs, Steroids, Athletes, Clubs and Social Organizations, and specific sports such as hockey, baseball

2016 Canadian Centre on Substance Abuse

48. Self-Reported Use and Reasons among the General Population for Using Sports Nutrition Products and Dietary Supplements (PubMed)

Self-Reported Use and Reasons among the General Population for Using Sports Nutrition Products and Dietary Supplements The purpose of the present study was to determine the prevalence of dietary supplements (DS's) and sport nutrition product (SNPs) among the general population, to identify differences for gender, age, and exercise frequency, and to determine the main reasons for use. The study was designed as a web-based questionnaire in a representative sample (n = 1544) of the Dutch (...) population. Sixty-two percent (n = 957) of the respondents reported having used DS's, SNPs, or both in the last twelve months. Women and older people reported the highest DS use. The highest use of SNPs was reported by regular exercising men and younger people with improving sporting performance as their main objective. Most frequently reported DS's were multivitamins (28%) and vitamin C (19%)-for SNPs, energy drinks (22%) and isotonic drinks (19%). Health considerations were the most important

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2016 Sports

49. Timing, optimal dose and intake duration of dietary supplements with evidence-based use in sports nutrition (PubMed)

to determine the optimal time, efficacy doses and intake duration for sports supplements verified by scientific evidence that report a performance enhancing effect in both situation of laboratory and training settings.Consumption of the supplements are usually suggested into 5 specific times such as, pre-exercise (nitrate, caffeine, sodium bicarbonate, carbohydrate and protein), during exercise (carbohydrate), post-exercise (creatine, carbohydrate, protein), meal time (β-alanine, creatine, sodium (...) Timing, optimal dose and intake duration of dietary supplements with evidence-based use in sports nutrition The aim of the present narrative review was to consider the evidence on the timing, optimal dose and intake duration of the main dietary supplements β-alanine, nitrate, caffeine, creatine, sodium bicarbonate, carbohydrate and protein.This review article will focuses on timing, optimal dose and intake duration of main dietary supplements for consuming.This paper reviewed the evidence

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2016 Journal of Exercise Nutrition & Biochemistry

50. Placebo in sports nutrition: a proof-of-principle study involving caffeine supplementation. (PubMed)

Placebo in sports nutrition: a proof-of-principle study involving caffeine supplementation. We investigated the effects of supplement identification on exercise performance with caffeine supplementation. Forty-two trained cyclists (age 37 ± 8 years, body mass [BM] 74.3 ± 8.4 kg, height 1.76 ± 0.06 m, maximum oxygen uptake 50.0 ± 6.8 mL/kg/min) performed a ~30 min cycling time-trial 1 h following either 6 mg/kgBM caffeine (CAF) or placebo (PLA) supplementation and one control (CON) session (...) without supplementation. Participants identified which supplement they believed they had ingested ("caffeine", "placebo", "don't know") pre- and post-exercise. Subsequently, participants were allocated to subgroups for analysis according to their identifications. Overall and subgroup analyses were performed using mixed-model and magnitude-based inference analyses. Caffeine improved performance vs PLA and CON (P ≤ 0.001). Correct pre- and post-exercise identification of caffeine in CAF improved

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2016 Scandinavian journal of medicine & science in sports Controlled trial quality: uncertain

51. Effects of Shroom Tech Sport Supplementation and Concurrent Training

: February 24, 2016 Sponsor: Florida State University Collaborator: Onnit Labs Information provided by (Responsible Party): Michael J. Ormsbee, Florida State University Study Details Study Description Go to Brief Summary: This study will examine how the supplement Shroom Tech Sport (STS) affects body composition and different performance and health measures over the course of 12 weeks. The supplement will be combined with a concurrent training regime consisting of resistance and high intensity interval (...) Body Composition Performance Measures Hormone Profiles Blood Lipid Profiles Dietary Supplement: Shroom Tech Sport Dietary Supplement: Placebo Not Applicable Study Design Go to Layout table for study information Study Type : Interventional (Clinical Trial) Estimated Enrollment : 30 participants Allocation: Randomized Intervention Model: Parallel Assignment Masking: Double (Participant, Investigator) Primary Purpose: Basic Science Official Title: Effects of Shroom Tech Sport Supplementation

2015 Clinical Trials

52. Energy Availability, Macronutrient Intake, and Nutritional Supplementation for Improving Exercise Performance in Endurance Athletes. (PubMed)

Energy Availability, Macronutrient Intake, and Nutritional Supplementation for Improving Exercise Performance in Endurance Athletes. Endurance athletes use nutritional guidelines and supplements to improve exercise performance and recovery. However, use is not always based on scientific evidence of improved performance, which type of athlete would benefit most, or the optimal dose and timing of a particular supplement. Health professionals that give advice to athletes need to target (...) their recommendations on the energy systems and muscle fiber types used for the athlete's sporting event, the goal of the training block, the time of the competitive season, and the characteristics and food preferences of the individual athlete. This review aims to summarize the most current research findings on the optimal calorie, carbohydrate, and protein intake for athlete health, performance, and recovery. We also summarized new findings on fluid intake and the optimal dose and timing of beetroot and caffeine

2018 Current Sports Medicine Reports

53. IOC consensus statement: dietary supplements and the high-performance athlete. (PubMed)

IOC consensus statement: dietary supplements and the high-performance athlete. Nutrition usually makes a small but potentially valuable contribution to successful performance in elite athletes, and dietary supplements can make a minor contribution to this nutrition programme. Nonetheless, supplement use is widespread at all levels of sport. Products described as supplements target different issues, including (1) the management of micronutrient deficiencies, (2) supply of convenient forms (...) of energy and macronutrients, and (3) provision of direct benefits to performance or (4) indirect benefits such as supporting intense training regimens. The appropriate use of some supplements can benefit the athlete, but others may harm the athlete's health, performance, and/or livelihood and reputation (if an antidoping rule violation results). A complete nutritional assessment should be undertaken before decisions regarding supplement use are made. Supplements claiming to directly or indirectly

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2018 British Journal of Sports Medicine

54. The influence of caffeine ingestion on strength and power performance in female team-sport players. (PubMed)

The influence of caffeine ingestion on strength and power performance in female team-sport players. The aim of this study was to examine the influence of caffeine supplementation on knee flexor and knee extensor strength before, during and after intermittent running exercise in female team-sport players taking oral contraceptive steroids (OCS).Ten healthy females (24 ± 4 years; 59.7 ± 3.5 kg; undertaking 2-6 training sessions per week) taking low-dose monophasic oral contraceptives of the same (...) ), was measured before, during and after the exercise protocol, as well as ~12 h post-exercise. Blood samples were taken before, during and post-exercise to measure glucose, insulin and free fatty acids (FFA).Caffeine supplementation significantly increased eccentric strength of the knee flexors (P < 0.05) and eccentric power of both the knee flexors (P < 0.05) and extensors (P < 0.05). However, there was no effect on isometric or concentric parameters, or CMJ performance. FFA was elevated with caffeine

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2016 Journal of the International Society of Sports Nutrition Controlled trial quality: uncertain

55. Sports Performance Supplement

Sports Performance Supplement Sports Performance Supplement Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Sports Performance (...) Supplement Sports Performance Supplement Aka: Sports Performance Supplement , Ergogenic Aid , Anabolic Aid II. Epidemiology U.S. Supplement revenue in 1997: 11.8 Billion of supplement use ral population: 50% College athletes: 76% Body builders: 100% III. Efficacy Supplements listed here are for completeness only No supplement is endorsed by this resource Many supplements are dangerous and illegal Ergogenic Aids generally have poor risk-benefit ratio Few Ergogenic Aids are beneficial Many Ergogenic Aids

2015 FP Notebook

56. [Effect of phlebodium decumanum and coenzyme Q10 on sports performance in professional volleyball players]. (PubMed)

[Effect of phlebodium decumanum and coenzyme Q10 on sports performance in professional volleyball players]. Physical training programmes are based on provoking transitory states of fatigue in order to induce super compensation by the biological systems involved in the activity, in order to improve the athlete's medium-long term performance. The administration of nutritional supplements with antioxidant and immunomodulatory properties, such as Phlebodium decumanum and coenzyme Q10, can be a very (...) to all the study groups, associated with the simultaneous administration of the following nutritional supplements: Phlebodium decumanum (4 capsules of 400 mg/capsule, daily), Experimental Group 1; Phlebodium decumanum (same dose and schedule as Group 1) plus coenzyme Q10 (4 capsules of 30 mg/ capsule, daily), Experimental Group 2; a placebo substance, Control Group. The following dependent blood variables were examined to assess the effects of the intervention on the basal immune and endocrine

2015 Nutrición hospitalaria Controlled trial quality: uncertain

57. Identification of Factors Associated with Potential Doping Behavior in Sports: A Cross-Sectional Analysis in High-Level Competitive Swimmers (PubMed)

Identification of Factors Associated with Potential Doping Behavior in Sports: A Cross-Sectional Analysis in High-Level Competitive Swimmers Background: Doping behavior, including the misuse of performance-enhancing drugs, is currently a serious problem in sports, and the efficacy of preventive efforts directly depends on information regarding the associations among different precipitating factors (PF) and doping behavior. This study aimed to establish the PF of potential doping behavior (PDB (...) ) in competitive swimmers. Methods: The study included 301 swimmers from Slovenia (153 females, 16.4 ± 2.4 years), tested during the 2017 National Championship. Variables were collected by previously validated questionnaires, which included questions on sociodemographics, sports-related factors, consumption of dietary supplements, knowledge of doping, factors of hesitation, and doping-related factors (i.e., number of doping tests, opinion about the presence of doping in sport). The PDB (positive, neutral

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2018 International journal of environmental research and public health

58. ISSN exercise & sports nutrition review update: research & recommendations (PubMed)

Society of Sports Nutrition in 2004 and updated in 2010. It presents a well-referenced overview of the current state of the science related to optimization of training and performance enhancement through exercise training and nutrition. Notably, due to the accelerated pace and size at which the literature base in this research area grows, the topics discussed will focus on muscle hypertrophy and performance enhancement. As such, this paper provides an overview of: 1.) How ergogenic aids and dietary (...) supplements are defined in terms of governmental regulation and oversight; 2.) How dietary supplements are legally regulated in the United States; 3.) How to evaluate the scientific merit of nutritional supplements; 4.) General nutritional strategies to optimize performance and enhance recovery; and, 5.) An overview of our current understanding of nutritional approaches to augment skeletal muscle hypertrophy and the potential ergogenic value of various dietary and supplemental approaches.This updated

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2018 Journal of the International Society of Sports Nutrition

59. Herbal medicine for sports: a review (PubMed)

Herbal medicine for sports: a review The use of herbal medicinal products and supplements has increased during last decades. At present, some herbs are used to enhance muscle strength and body mass. Emergent evidence suggests that the health benefits from plants are attributed to their bioactive compounds such as Polyphenols, Terpenoids, and Alkaloids which have several physiological effects on the human body. At times, manufacturers launch numerous products with banned ingredient inside (...) with inappropriate amounts or fake supplement inducing harmful side effect. Unfortunately up to date, there is no guarantee that herbal supplements are safe for anyone to use and it has not helped to clear the confusion surrounding the herbal use in sport field especially. Hence, the purpose of this review is to provide guidance on the efficacy and side effect of most used plants in sport. We have identified plants according to the following categories: Ginseng, alkaloids, and other purported herbal ergogenics

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2018 Journal of the International Society of Sports Nutrition

60. Liver Injury Associated with Sporting Activities. (PubMed)

Liver Injury Associated with Sporting Activities. Exertional heat stroke most commonly develops following prolonged levels of aerobic activity in a warm or humid environment. Hypoperfusion of the vital organs along with activation of the inflammasome can lead to progressive and potentially fatal multiorgan failure including acute liver failure. In the United States, herbal and dietary supplements that are marketed to improve performance, strength, and weight loss are increasingly being used (...) by both amateur and professional athletes. Consumption of bodybuilding supplements that contain androgenic anabolic steroids can lead to adverse hepatic effects ranging from asymptomatic serum aminotransferase elevations to severe cholestatic hepatitis with prolonged jaundice. Various non-bodybuilding nutritional supplements that contain a mixture of botanicals, caffeine, and chemicals have also been associated with idiosyncratic hepatotoxicity. In particular, green tea extract derivatives

2018 Seminars in Liver Disease

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