[The Wrecker holds up a hand.]

Manufactured isn't the best way to put it. Occurs naturally, but it's pretty impure. Less lethal than what Bulk was exposed to. Megatron took it, put his scientists to work, and got all them impurities out. Refined it into one concentrated bioweapon.

So in a way, it is. And with Synthetic Energon already a tangible thing-