Global Weight Loss and Diet Management Market By Type (Better-for-You-Food & Beverages , Weight Loss Supplements , Meal Replacements , Low-Calorie Sweeteners , and Other), By Application (Supermarkets and Hypermarkets , Health & Beauty Stores , Independent Retailers , and Online Distribution ), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028