Galantamine is a naturally derived alkaloid originally extracted from snowdrop bulbs and other Amaryllidaceae plants, now also produced synthetically. It functions as a reversible acetylcholinesterase inhibitor, boosting acetylcholine levels in the brain to enhance memory, reasoning, and cognitive processes disrupted in conditions like Alzheimer's disease. Approved by the FDA in 2001 under brand names like Razadyne, it treats mild to moderate dementia symptoms through a dual mechanism: inhibiting acetylcholine breakdown and modulating nicotinic receptors for improved synaptic transmission. With rapid absorption, high bioavailability around 80-100%, and a seven-hour half-life, it penetrates the blood-brain barrier effectively.