Anons taking Vitamin D as an anti-Covid? Looks like it's a good idea to do so. That or really work on getting some sun.
They are "phospholipid vesicles," little sacs of fat that contain the mRNA - to prevent it from immediately being broken down by the body. Those little sacs of fat fuse with your cell membrane and deliver the mRNA to the cytoplasm, where it can be read by ribosomes.
Hope that helps!
Taken from this YouTube video. Medcram channel is a great source of actual, factual information on Covid-19. Not political, targeted at medical professionals and scientists but you don't have to be one to follow most of it.