Clascoterone and MK-2866 Interaction: Monitor | Peptide Database

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Join others researching Ezetimibe — share findings, ask questions, and learn from real experiences Ezetimibe is a selective cholesterol absorption inhibitor that blocks the Niemann-Pick C1-Like 1 (NPC1L1) protein in the brush border of the small intestine, preventing dietary and biliary cholesterol from entering the bloodstream. Approved by the FDA in 2002, it occupies a unique niche among lipid-lowering agents by targeting intestinal cholesterol uptake rather than hepatic cholesterol synthesis. In the context of anabolic steroid use, ezetimibe has become a go-to ancillary compound for managing the dyslipidemia that accompanies many AAS cycles, particularly oral steroids like oxandrolone (Anavar) and stanozolol (Winstrol) that are notorious for crashing HDL cholesterol and elevating LDL. While statins remain the first-line treatment for hypercholesterolemia in the general population, ezetimibe is frequently used alone or stacked with a statin by steroid users seeking to mitigate cycle-induced lipid damage without adding yet another hepatotoxic compound to the mix. Ezetimibe selectively inhibits the NPC1L1 transporter protein located on the luminal surface of enterocytes in the jejunum of the small intestine. NPC1L1 is the critical gateway for intestinal cholesterol absorption, responsible for uptaking both dietary cholesterol and the much larger pool of biliary cholesterol that is recirculated through the enterohepatic cycle. By blocking this transporter, ezetimibe reduces cholesterol delivery to the liver, which in turn upregulates hepatic LDL receptor expression to compensate for the reduced cholesterol supply. This upregulation increases LDL clearance from the bloodstream. The mechanism is entirely complementary to statins, which inhibit HMG-CoA reductase to reduce hepatic cholesterol synthesis. When the liver is deprived of cholesterol from both sources simultaneously, the LDL-lowering effect is significantly amplified. Ezetimibe undergoes glucuronidation in the intestinal wall and liver to form its active metabolite, ezetimibe-glucuronide, which is also pharmacologically active and participates in enterohepatic recirculation, contributing to the drug's prolonged duration of action.