Sergej M. Ostojic, V. Štajer, N. Todorovic, Marijana Ranisavljev, Bogdan Andjelic, J. Panić, Alexandros Nikolaidis, Ron Kramer, Milan Vraneš
{"title":"Effects of Short-Term Creatine Nitrate Plus Creatinine Intake on Creatine\u0000Pharmacokinetics and Safety Biomarkers in Healthy Adults","authors":"Sergej M. Ostojic, V. Štajer, N. Todorovic, Marijana Ranisavljev, Bogdan Andjelic, J. Panić, Alexandros Nikolaidis, Ron Kramer, Milan Vraneš","doi":"10.2174/0115734013307562240702114411","DOIUrl":"https://doi.org/10.2174/0115734013307562240702114411","url":null,"abstract":"\u0000\u0000A blend of creatine nitrate and creatinine has demonstrated promising\u0000bioavailability; however, prior studies have not thoroughly examined its pharmacokinetics and\u0000safety profiles, particularly its impact on kidney stress indicators, such as serum cystatin C.\u0000\u0000\u0000\u0000This study aimed to assess the effects of varying doses of creatine nitrate-creatinine intervention on pharmacokinetics and safety in healthy humans.\u0000\u0000\u0000\u0000Ten young adults (mean age 26.1 ± 5.0 years; 5 females) volunteered for this double-blind, crossover, randomized controlled trial. The participants were randomly assigned to receive either a low-dose creatine nitrate-creatinine mixture (CN-CRN-Low; 1.5 g of creatine nitrate\u0000and 1.5 g of creatinine), a high-dose creatine nitrate-creatinine mixture (CN-CRN-High; 3 g of creatine nitrate and 3 g of creatinine), or 1.5 g of creatine nitrate (CONTROL) in both a single-dose\u0000pharmacokinetics experiment, and a 14-day safety trial.\u0000\u0000\u0000\u0000Both CN-CRN-Low and CN-CRN-High interventions displayed increased volume of distribution and total clearance compared to the CONTROL intervention (P < 0.05) in a single-dose\u0000pharmacokinetics experiment. Additionally, the CN-CRN-High intervention showed significantly\u0000higher creatine maximum serum concentrations compared to the other interventions (P < 0.05).\u0000Serum cystatin C levels remained unchanged across all interventions (P = 0.65), with no participants experiencing abnormal cystatin C concentrations or major changes in other safety biomarkers.\u0000\u0000\u0000\u0000The present study demonstrates dose-specific utilization of creatine nitrate-creatinine\u0000intervention, with the mixture induced no kidney damage. Further studies are needed to explore\u0000the potential functional and performance benefits of creatine nitrate-creatinine supplementation in\u0000diverse clinical and athletic cohorts.\u0000","PeriodicalId":502426,"journal":{"name":"Current Nutrition & Food Science","volume":"12 22","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141816156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}