among the officials spaeth was writing to was daniel fabricant, then head of the fda's division of dietary supplements. >> we took that information. while it was helpful, it didn't make the whole case. we had to make the case at fda and we did, and removed the product successfully. >> narrator: one of his biggest complaints is the amount of time it took just to get somebody to call him back. he says one of the operators, "she acted as if i was telling her that aliens put messages in my cheerios." now, that doesn't suggest that you've got a particularly robust system in place, to allow people to report problems when they happen, right? >> well, i can assure you the government worked very quickly. the agency is acting to remove the product, across the board, across the country. so it's a bit more of a heavier scientific lift than just a doctor having an intuition or a feeling about something. we had to build evidence, court ready evidence, to take away somebody's product. somebody's manufacturing operation. and that's exactly what we did and doing that in six months, the team at the fda work