And you have to prove that you can generate enough of the substance itself.
But I know with addiction you do not have the choice because the substance itself directs you".
A second approach would be to offer drug testing services – not the kind that test users' urine, but the kind that shows what's in the substance itself.
But because the vials are sealed, he was doubtful that any future experiments would be carried out on the substance itself.
But now biotechnology companies often discover new proteins, making it easier to get a patent on the substance itself, no matter how it is made.
Evidence, for instance, that an excess of something like sugar may well be bad for your health does not mean that the substance itself is "bad".
So can cultural biases: immigrants become familiar with products in their homeland and import their preferences, and sometimes the substance itself, when they move to the United States.
"In the case of clenbuterol, positives should be positives because of the quantity found, with a specific limit, not because of the substance itself," Contador said.
The police were called, the area was cleared, the air was tested for chemicals and found clean, and the substance itself, which smelled like talcum powder, was sent off for testing.
Often, no treatment is needed at all, either because the substance itself was not particularly toxic or the amount consumed can do little or no harm, even to a toddler.
