Nootropic Hydration Drinks Market Size, Share & Industry Analysis, By Product Type (Ready-to-Drink, Powder, Effervescent Tablets, and Others), By Functionality (Cognitive Energy & Focus, Stress Relief & Mood Support, Electrolyte Hydration & Recovery, Sleep & Relaxation Support, and Memory & Mental Clarity), By Ingredient Type (Electrolytes & Minerals, Vitamins, Amino Acids, Adaptogens, Caffeine & Natural Stimulants, and Herbal/Botanical Extracts), By Distribution Channel (Supermarkets/Hypermarkets, Specialty Stores, Convenience Stores, and Online Retail), and Regional Forecast, 2026-2034