Protein Supplements Market Analysis and Forecast to 2032: By Type (Casein, Whey Protein, Egg Protein, Soy Protein, Others), Form (Powder, RTD Liquid, Protein Bars), Source (Animal, Plant), Age Group (Millennials, Generation X, Baby Boomers), Distribution Channel (Supermarket/Hypermarket, Online, Chemist/Drugstore, Nutrition Store, Health Food Store, Specialist Food Store, Others), and Region