This may well have been what happened in three cases of non-fatal cerebral hemorrhage in New Zealand, who either consumed DMAA in products sold as party pills or in a powdermixed in a drink.
Here is the recipe he and his team discovered: organic material, like grass clippings or agricultural waste, is mixed with a stabilizing peptide powder and from that protein is extracted from the materials, stabilized.
One Saturday evening in early 2001 Rabinowitz mixed the drug with a solvent, transforming the mound of powder into a film 1 micron thick (that's a thousandth of a millimeter) coating a piece of foil.
The Class A substance can also be sold as a white powder or as small pills and is said to be particularly dangerous when mixed with other drugs or alcohol.