Lysosphingomyelin is a bioactive sphingolipid derived from sphingomyelin deacylation, serving as a precursor for sphingosine-1-phosphate. It acts as an agonist for S1P1-3 and OGR1 receptors and is studied in research areas including dermatology (e.g., atopic dermatitis) and lysosomal storage disorders (e.g., Niemann-Pick disease). This product is a mixture of D-erythro and L-threo stereoisomers.