Lipid Nanoparticles (LNPs) for mRNA Delivery Lipid Nanoparticles (LNPs) for mRNA Delivery Phosphatidylcholine (PC) (9) Phosphatidylglycerol (PG) (4) Phosphatidylserine (PS) (2) Phosphatidylethanolamine (PE) (5) Phosphatidic Acids (PA) (3) Cationic Lipid (4) PEG Lipid (1)