You are asked to trust an organization with something that cannot be verified until long after you are gone. Skepticism is the right starting point. This topic exists to show you what evidence you can inspect today: how a provider states its uncertainty, whether its procedures and case reports are public, what its facility and storage arrangements look like, and how patient care is kept separate from the commercial company. It also explains what a European provider changes for a European member and what it does not. The goal is to replace a vague feeling of scam or safety with concrete checks you can run yourself.