The brain health supplements market includes dietary supplements formulated to support cognitive performance, memory, focus, mood balance, stress resilience, and healthy aging of the brain. Products span vitamins and minerals (B-complex, vitamin D, magnesium), omega-3s, botanical and adaptogenic ingredients (ginkgo, bacopa, ashwagandha, rhodiola), amino acids and neurotransmitter precursors (L-theanine, tyrosine), cholinergic and nootropic compounds (citicoline, alpha-GPC), and emerging ingredients such as phospholipids, polyphenols, and probiotics positioned around the gut–brain axis. Key applications and end uses include daily mental performance support for students and professionals, stress and sleep-linked cognition support, healthy aging and memory maintenance for older adults, and adjunct wellness routines for mood and mental clarity. End users range from mass-market consumers and wellness enthusiasts to aging populations and fitness communities, with sales driven through online D2C, marketplaces, retail pharmacies, health food stores, and practitioner channels that emphasize ingredient quality and credibility.