Low-Calorie Foods Market Size, Share, and Industry Analysis By Product (Aspartame, Sucralose, Stevia, Saccharin, Cyclamate, and Others), By Application (Beverages, Dairy Products, Bakery Products, Dietary Supplements, Confectionery, Tabletop Sweetener, Pharmaceutical, and Others), By Form (Powder, Tablets, Liquid, and Others), By Distribution Channel (B2B, Supermarkets and Hypermarkets, Convenience Stores, Drug Stores, E Commerce, and Others), and Regional Forecast, 2026-2034