Human metabolism differs from that of dogs.
Chocolate contains certain compounds that we metabolize better than dogs, such as theobromine.
In dogs, chemicals of this class tend to be poorly metabolized and can build up to toxic levels.
Just because we can consune it, doesnt mean there is nothing wrong with it.
“Nearly every cocoa powder ConsumerLab analyzed—including products from Nestle, Trader Joe’s, and Hershey’s—contained dangerously high quantities of cadmium, a metal research has linked to kidney damage and bone softening.