Most of the fruits and vegetables are Bioland certified, and most of them are from a local farm near Heidelberg. The melon and obviously the bananas are not from Germany.
The Bread is organic whole-grain spelt bread from a local bakery. The grains are probably also local.
The oat milk is from organic locally (Baden-Württemberg) sourced and produced oats.
There’s no way you’ll live 2 weeks of that and not be on a massive calorie deficit.
As he mentioned. He also goes to a Mensa(maybe in an University), where you can usually eat relatively cheap.