Obesity Clinical Trial
Official title:
Effects of Carnitine Supplementation on Liver Mitochondria Fatty Acid Processing
This double-blind, placebo-controlled randomized trial will assess whether 14 days of oral carnitine supplementation modifies mitochondrial fatty acid processing in healthy young adults.
This project will use stable isotope techniques and magnetic resonance spectroscopy (MRS) to take a first step toward clarifying how the benefit of oral carnitine supplementation depends on basal mitochondrial fatty acid processing (MFAP) and MFAP modification, with a specific focus on the liver. Approximately 24 healthy young individuals will be enrolled, with 20 expected to complete. Before and after 14 days of oral carnitine supplementation or placebo, MFAP will be measured using measures of acetyl-carnitine concentration (from long-TE proton MRS) and de novo lipogenesis (DNL, from analysis of blood metabolites following 13C-labeled acetate infusion and high-fructose drink challenge). The MFAP measures will be collected before and after loading participants with a high-fructose drink. Fructose is solely metabolized by the liver. ;
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