Global L-Carnitine Market Size, Share, And Business Benefits By Process (Chemical Synthesis, Bioprocess), By Product (Food and Pharma Grade, Feed Grade), By Application (Animal Feed, Healthcare Products, Functional Animal Feeds, Medicines, Others), By Distribution Channel(Online Retail, Pharmacies, Retail Stores, Direct Sales, Others), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends, and Forecast 2025-2034