It falls under the S0 category of Non-Approved Substances, which is a catch-all classification for any pharmacological substance that isnt approved for human therapeutic use and is not addressed elsewhere on the list
Research Applications Energy Metabolism and Mitochondrial Function Studies L-Carnitine serves as a fundamental research tool for investigating cellular energy metabolism: Fatty Acid Oxidation Research: Investigation of beta-oxidation pathways, substrate utilization, and metabolic flux between glucose and fatty acid oxidation
60 years of Cimicifuga racemosa medicinal products : Clinical research milestones, current study findings and current development
Now, as to why its an injection rather than a pill, well, that all comes down to how well it gets absorbed in the body
Quality varies significantly between sources, making pharmaceutical-grade sourcing essential