topicAlpha Gpc Power Performance Randomized Trial
claimBackground Nutrition plays a key role in training and athletic performance and dietary supplements can make a small, but potentially valuable, contribution to achieving peak athletic performance.
evidence level2
citationHarrington RN (2023)
sourceEffects of branched chain amino acids, l-citrulline, and alpha-glycerylphosphorylcholine supplementation on exercise performance in trained cyclists: a randomized crossover trial.
topicAlpha Gpc Power Performance Randomized Trial
claimThis study is the first to investigate the effects of supplementation from the combination of BCAAs, L-citrulline, and A-GPC on exercise performance.
evidence level2
citationHarrington RN (2023)
sourceEffects of branched chain amino acids, l-citrulline, and alpha-glycerylphosphorylcholine supplementation on exercise performance in trained cyclists: a randomized crossover trial.
topicAlpha Gpc Power Performance Randomized Trial
claimSerum free choline was found to be elevated in the two A-GPC groups as compared to placebo (132% and 59% respectively).
evidence level4
citationMarcus L (2017)
sourceEvaluation of the effects of two doses of alpha glycerylphosphorylcholine on physical and psychomotor performance.
topicAlpha Gpc Power Performance Randomized Trial
claimSerum TSH was found to be significantly depressed in the 500 mg A-GPC group compared to other treatments ( p p Conclusions Based upon this evidence, and previous evidence regarding A-GPC, it should be considered as an emerging ergogenic supplement.
evidence level4
citationMarcus L (2017)
sourceEvaluation of the effects of two doses of alpha glycerylphosphorylcholine on physical and psychomotor performance.
topicAlpha Gpc Power Performance Randomized Trial
claimBackground Recent studies have suggested that alpha glycerylphosphorylcholine (A-GPC) may be an effective ergogenic aid.
evidence level4
citationMarcus L (2017)
sourceEvaluation of the effects of two doses of alpha glycerylphosphorylcholine on physical and psychomotor performance.
topicAlpha Gpc Power Performance Randomized Trial
claimThe present study was designed to assess the efficacy of two doses of A-GPC in comparison to placebo and caffeine for increasing countermovement jump performance, isometric strength, and psychomotor function.
evidence level4
citationMarcus L (2017)
sourceEvaluation of the effects of two doses of alpha glycerylphosphorylcholine on physical and psychomotor performance.