I'm confused by the it in your last sentence.
Using a screen recorder (there's a built in one in the Xbox games app depending on version of Microsoft, or if not, people always seem to use FRAPS) to capture whatever is in the window to get more information could help.
Someone else will likely be along shortly with more helpful info.
It's not actually especially difficult. People who produce more than their kid needs will sell or give away the extra to people who are struggling to produce enough. Also... Some hardcore body builders buy it as well.