United States Vegan Food Market Assessment, Product Type [Meat Alternatives, Dairy Alternatives, Snacks and Ready-to-eat Meals, Bakery and Confectionery, Others], By Source [Nuts and Seeds, Vegetables, Grains, Fruits, Others], By End-user [Residential, Commercial], By Distribution Channel [Supermarkets/Hypermarkets, Departmental Stores, Specialty Stores, Online, Others], By Region, Opportunities, and Forecast, 2018-2032F