Browsing AURA by Author "Ostojic, Sergej"
Now showing items 1-15 of 15
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Creatine as a Promising Component of Paternal Preconception Diet
Ostojic, Sergej; Stea, Tonje Holte; Engeset, Dagrun (Peer reviewed; Journal article, 2022)Abstract: Male fertility has been declining globally over the past several decades, advancing from a personal issue to a public health problem. Beyond any doubt, a reduction in fertility (often characterized by low sperm ... -
Creatine consumption and liver disease manifestations in individuals aged 12 years and over
Todorovic, Nikola; Korovljev, Darinka; Stajer, Valdemar; Jorga, Jagoda; Ostojic, Sergej (Peer reviewed; Journal article, 2022) -
Dietary creatine and cancer risk in the U.S. population: NHANES 2017–2020
Ostojic, Sergej; Grasaas, Erik; Jelena, Cvejic (Peer reviewed; Journal article, 2023)While creatine is generally considered a safe dietary compound, there have been concerns about excessive creatine intake and its possible link to cancer. The main of this study was to examine the relationship between dietary ... -
Does different diets alter the Prevotella-to-Bacteroides ratio of the human gut microbiota?
Strobel, Nicki (Master thesis, 2023)Background: Overweight and obesity has turned into a global health pandemic, with more than 650 million adults worldwide being classified as obese. There is a need for testing alternative hypothesis to tackle obesity, ... -
Effects of acute b-alanine supplementation on countermovement jump performance after a 4x400 m fatigue protocol: A randomized, double-blind, placebo-controlled trial
Todorovic, Nikola; Santibañez-Gutierrez, Asier; Milovanov, Djordje; Stajer, Valdemar; Ostojic, Sergej; Fernández-Landa, Julen (Peer reviewed; Journal article, 2022)This study aimed to examine the effect of acute beta-alanine (β-alanine) supplementation on jump performance after a strenuous fatigue protocol. Twelve healthy young men (age 21.4±0.5 years, body height 180.2±5.8 cm, body ... -
Effects of Creatine Supplementation on Brain Function and Health
Forbes, Scott C; Cordingley, Dean; Cornish, Stephen; Gualano, Bruno; Roschel, Hamilton; Ostojic, Sergej; Rawson, Eric S; Roy, Brian; Prokopidis, Konstantinos; Giannos, Panagiotis; Candow, Darren G (Peer reviewed; Journal article, 2022)While the vast majority of research involving creatine supplementation has focused on skeletal muscle, there is a small body of accumulating research which has focused on creatine and the brain. Preliminary studies indicate ... -
Effects of six-month creatine supplementation on patient- and clinician-reported outcomes, and tissue creatine levels in patients with post-COVID-19 fatigue syndrome
Slankamenac, Jelena; Ranisavljev, Marijana; Todorovic, Nikola; Ostojic, Jelena; Stajer, Valdemar; Ostojic, Sergej (Peer reviewed; Journal article, 2023)Dietary creatine has been recently put forward as a possible intervention strategy to reduce post-COVID-19 fatigue syndrome yet no clinical study so far evaluated its efficacy and safety for this perplexing condition. In ... -
Guanidinoacetate–creatine in secondary progressive multiple sclerosis: a case report
Ostojic, Sergej; Ostojic, Jelena; Zanini, Dragana; Jezdimirovic, Tatjana; Stajer, Valdemar (Peer reviewed; Journal article, 2022)Acute secondary progressive multiple sclerosis (SPMS) is characterized by escalating neurological disability, with limited disease-modifying therapeutic options. A 48-year-old woman with acute SPMS being treated with ... -
“Heads Up” for Creatine Supplementation and its Potential Applications for Brain Health and Function
Candow, Darren G.; Forbes, Scott C.; Ostojic, Sergej; Prokopidis, Konstantinos; Stock, Matt S.; Harmon, Kylie K.; Faulkner, Paul (Peer reviewed; Journal article, 2023)There is emerging interest regarding the potential beneficial effects of creatine supplementation on indices of brain health and function. Creatine supplementation can increase brain creatine stores, which may help explain ... -
Improving brain creatine uptake by Klotho protein stimulation: can diet hit the big time?
Ostojic, Sergej; Engeset, Dagrun (Peer reviewed; Journal article, 2021)Creatine plays a pivotal role in cellular bioenergetics, acting as a temporal and spatial energy buffer in cells with high and fluctuating energy requirements (1). Jeopardizing delicate creatine homeostasis can be detrimental ... -
Low Tissue Creatine: A Therapeutic Target in Clinical Nutrition
Ostojic, Sergej (Peer reviewed; Journal article, 2022)Low tissue creatine characterizes many conditions, including neurodegenerative, cardiopulmonary, and metabolic diseases, with a magnitude of creatine shortfall often corresponds well to a disorder’s severity. A non-invasive ... -
Medium-chain triglycerides may improve memory in non-demented older adults: a systematic review of randomized controlled trials
Giannos, Panagiotis; Prokopidis, Konstantinos; Lidoriki, Irene; Triantafyllidis, Konstantinos K.; Kechagias, Konstantinos S.; Celoch, Kamil; Candow, Darren G.; Ostojic, Sergej; Forbes, Scott C. (Peer reviewed; Journal article, 2022) -
Nutrition in a lifecourse perspective: From molecular aspects to public health approaches
Øverby, Nina Cecilie; Hillesund, Elisabet Rudjord; Medin, Anine Christine; Vik, Frøydis Nordgård; Ostojic, Sergej (Peer reviewed; Journal article, 2023) -
Resistance Exercise and Creatine Supplementation on Fat Mass in Adults < 50 Years of Age: A Systematic Review and Meta-Analysis
Candow, Darren G.; Prokopidis, Konstantinos; Forbes, Scott C.; Rusterholz, Flavia; Campbell, Bill I.; Ostojic, Sergej (Peer reviewed; Journal article, 2023)The combination of resistance exercise and creatine supplementation has been shown to decrease body fat percentage in adults ≥ 50 years of age. However, the effect on adults < 50 years of age is currently unknown. To address ... -
Safety of dietary guanidinoacetic acid: a villain of a good guy?
Ostojic, Sergej (Peer reviewed; Journal article, 2021)Guanidinoacetic acid (GAA) is a natural amino acid derivative that is well-recognized for its central role in the biosynthesis of creatine, an essential compound involved in cellular energy me-tabolism. GAA (also known as ...