As someone who has had positive results from mixing ptsd and psychedelics without professional guidance, it’s a stupid thing to do. Psychedelics are great and when done properly they’re great for ptsd, but also a veteran having a challenging trip alone will be in a pretty bad position, but not all unpleasant trips are ultimately positive, and with ptsd it could make your trauma actively worse.
There’s other treatments as well, but “just try psychedelics” is a dangerous statement