Last time I tried that, I had to vacuum the stuff from the floor. Turns out some CR capsules are filled with a lot of tiny little frictionless spherical pellets instead of powder.
Probably "Extended Release". The ingredient is coated with a range of thicknesses, so that different ones become bioavailable after different lengths of time in the gut. That is actually what my "powder" was
I had a way to avoid spilling them, but it's too long ago and I don't remember what it was.
