2013
The effect of selective amino acid supplementation on calcium absorption during a low protein diet
Bihuniak J, Sullivan R, Simpson C, Caseria D, O'Brien K, Kerstetter J, Insogna K. The effect of selective amino acid supplementation on calcium absorption during a low protein diet. The FASEB Journal 2013, 27: lb283-lb283. DOI: 10.1096/fasebj.27.1_supplement.lb283.Peer-Reviewed Original ResearchLow-protein dietIntestinal Ca absorptionCa absorptionProtein dietProtein intakeDietary protein intakeHigh-protein dietAmino acid supplementationCalcium absorptionAcid supplementationDay 5Dibasic amino acidsAA supplementationYoung womenControl dietRandom orderPhysiologic rangeDietary proteinIntakeDietSupplementationAmino acidsAromatic amino acidsCa economyLys supplementationDietary 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
2011
Using urinary nitrogen and urea to predict dietary protein intake: a controlled clinical trial
Bihuniak J, Simpson C, Sullivan R, Kerstetter J, Insogna K. Using urinary nitrogen and urea to predict dietary protein intake: a controlled clinical trial. The FASEB Journal 2011, 25: 600.3-600.3. DOI: 10.1096/fasebj.25.1_supplement.600.3.Peer-Reviewed Original ResearchProtein intakeSupplementation trialWhey supplementationUrinary ureaBone turnover markersDietary protein intakeBone mineral densityPostmenopausal womenTurnover markersBone turnoverClinical trialsMineral densityUCreatDay 0Urine nitrogenWhey supplementsOutcome variablesIntakeTrialsMaltodextrin supplementUrinary nitrogenBone centersSupplementationSupplementsCostly alternative