Protein Supplements Market Size, Share & Industry Analysis, By Source (Animal-Derived Protein [Egg and Collagen Protein], Plant-Derived Protein [Soy, Pea, and Rice Protein], and Dairy Protein [Whey and Casein Protein]), By Product (Protein Powder, RTD, Protein Bars, Gummies, and Capsules & Tablets), By Functionality (Performance & Recovery, Weight Management, Healthy Aging, Beauty & Skin Health, and Medical Nutrition), By Distribution Channel (Supermarkets/Hypermarkets, Pharmacies/Drug Stores, Health & Wellness Stores, Online Retail, and Fitness Centers), and Regional Forecast, 2026-2034