Functional Food Market Size & Share, By Product (Dairy Products, Bakery & Cereals, Meat, Fish & Eggs, Fats & Oils, Soy Products, Others), Ingredient (Dietary Fibers, Carotenoids, Minerals, Fatty Acids, Vitamins, Prebiotics & Probiotics, Others), Application (Weight Management, Sports Nutrition, Digestive Health, Immunity, Cardio Health, Clinical Nutrition, Others) - Growth Trends, Regional Insights (U.S., Japan, South Korea, UK, Germany), Competitive Positioning, Global Forecast Report 2025-2034