2014
Supplementing a Low-Protein Diet with Dibasic Amino Acids Increases Urinary Calcium Excretion in Young Women 1,2
Bihuniak JD, Sullivan RR, Simpson CA, Caseria DM, Huedo-Medina TB, O’Brien K, Kerstetter JE, Insogna KL. Supplementing a Low-Protein Diet with Dibasic Amino Acids Increases Urinary Calcium Excretion in Young Women 1,2. Journal Of Nutrition 2014, 144: 282-288. PMID: 24431325, PMCID: PMC3927545, DOI: 10.3945/jn.113.185009.Peer-Reviewed Original ResearchConceptsIntestinal calcium absorptionLow-protein dietCalcium absorptionDual-stable calcium isotopesYoung womenUrinary calcium excretionDietary proteinControl diet periodAmino acid L-arginineHigh-protein dietAmino acid L-tryptophanCalcium excretionDiet periodClinical trialsSupplementation periodL-arginineDay 5Control dietRandom orderPhysiologic rangeDietTrialsWomenPossible benefitsL-tryptophan
2013
Dietary Protein-Induced Increases in Urinary Calcium Are Accompanied by Similar Increases in Urinary Nitrogen and Urinary Urea: A Controlled Clinical Trial
Bihuniak JD, Simpson CA, Sullivan RR, Caseria DM, Kerstetter JE, Insogna KL. Dietary Protein-Induced Increases in Urinary Calcium Are Accompanied by Similar Increases in Urinary Nitrogen and Urinary Urea: A Controlled Clinical Trial. Journal Of The Academy Of Nutrition And Dietetics 2013, 113: 447-451. PMID: 23438496, PMCID: PMC5868414, DOI: 10.1016/j.jand.2012.11.002.Peer-Reviewed Original ResearchConceptsBone turnover markersDietary protein intakeUrinary creatinineUrinary calciumProtein intakeUrinary ureaTurnover markersUrinary nitrogenNutrition intervention trialMaltodextrin controlPostmenopausal womenIntervention trialsClinical trialsUrinary metabolitesCreatinineDay 0Whey supplementationWhey supplementsIntakeSample t-testSimilar increaseTrialsT-testSupplementationMarkers
2010
Inhibiting gastric acid production does not affect intestinal calcium absorption in young, healthy individuals: A randomized, crossover, controlled clinical trial
Wright MJ, Sullivan RR, Gaffney‐Stomberg E, Caseria DM, O'Brien KO, Proctor DD, Simpson CA, Kerstetter JE, Insogna KL. Inhibiting gastric acid production does not affect intestinal calcium absorption in young, healthy individuals: A randomized, crossover, controlled clinical trial. Journal Of Bone And Mineral Research 2010, 25: 2205-2211. PMID: 20499372, PMCID: PMC3312746, DOI: 10.1002/jbmr.108.Peer-Reviewed Original ResearchMeSH KeywordsAdultCalciumCross-Over StudiesDouble-Blind MethodFemaleGastric AcidHumansIntestinal AbsorptionMalePlacebosConceptsIntestinal calcium absorptionProton pump inhibitorsCalcium absorptionGastric acidDual-stable calcium isotopesYoung adultsChronic PPI therapyPotent gastric acidGastric acid suppressionNegative calcium balanceGastric acid productionHealthy young adultsPPI esomeprazolePPI therapyPlacebo groupUrinary calciumAcid suppressionCrossover studyBone lossPump inhibitorsClinical trialsIntervention periodAcute effectsCalcium balanceHealthy individuals