lipase c Substrate RCSB PDB - 1LBS: LIPASE
Description
Three distinct pathways including succinate pathway, acrylate pathway, and propanodiol pathway, can generate propionic acid (Reichardt et al., 2014)

Eyal S, Hsiao P, Unadkat JD

Grimaldi, P.A

PMID: 32947436
Muscle biopsy showed lysis of muscle fibers with the most mitochondrial abnormalities (ragged-red fibers)

Since L-Carnitine is a beneficial compound for energy production, and provides support for performance and recovery, if you combine it with other effective compounds the results may reflect even further benefits
