This page does not tell you whether PEG-MGF is safe. We count trials; we do not give medical opinions, and no physician has reviewed this page.
What we can tell you is what the record contains: no registered interventional human study for PEG-MGF in the registries we track. That means there is no registered human safety data to summarise — not that harm has been shown, and not that it has been ruled out.
Safety in humans is established by studying people and publishing the result. Where that has not happened, confident claims in either direction are not resting on registered human research.