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C8's unique property is its chain length: at 8 carbons, it's short enough to cross the mitochondrial double membrane by passive diffusion, bypassing the carnitine palmitoyltransferase (CPT-1) transport system that limits long-chain fat oxidation. Once in hepatic mitochondria, C8 undergoes rapid β-oxidation, producing excess acetyl-CoA that overwhelms the TCA cycle → acetyl-CoA is shunted to ketogenesis (acetoacetate → BHB). This happens even with high insulin levels (fed state), making C8 the only fat that produces ketones without fasting or carb restriction. BHB then crosses the BBB via MCT1 transporter, providing an alternative brain fuel that bypasses impaired glucose metabolism (relevant for Alzheimer's, epilepsy, and cognitive performance).
No critical interactions identified.
Independently graded against 173,636 indexed supplements with 177 published clinical interactions, sourced from PubMed, FDA CAERS, openFDA, and NIH DSLD | Last updated:
Not medical advice. Based on published clinical research and systematic reviews.