The first entirely vegan supermarket chain has filed for bankruptcy due to a lack of demand, according to reports on Monday. The chain Veganz, which shuns animal products, will close at least four of its nine of its branches after announcing its bankruptcy in December, Lebensmittelzeitung reported. Jan Bredack, the founder of the chain, told the paper: “The model of the vegan supermarket outstripped itself, because of the growing supply of vegan produce.” …