Understanding what a cognitive enhancer is helps you navigate the science behind sharper focus, memory, and mental clarity. In cognitive science, a cognitive enhancer is any tool, technique, or intervention researchers study for its potential to influence cognitive processes such as attention, working memory, and problem-solving. This page lays out science-backed strategies, describes how researchers evaluate claims, and explains how to interpret evidence in the context of real-world routines. Within the landscape of cognitive enhancers, researchers examine a range of ingredients and compounds that have appeared in controlled studies. The term covers natural products, compounds, and synthetic agents, as well as non-pharmacological components. The strength and consistency of findings vary across studies, populations, and designs. The goal here is to help you understand how evidence is generated and what constitutes a robust claim about a cognitive enhancer. Beyond substances, the field also discusses tips and routines that align with cognitive science to explore cognition-related outcomes. Approaches such as structured practice for acquisition, retrieval practice, spacing effects, interleaving tasks, and metacognitive strategies are described as components of a broader program around cognitive enhancement. While we avoid specific health or dietary claims, these routines are presented as frameworks researchers use to investigate how cognitive processes can be engaged and measured in a systematic way. To navigate the landscape of cognitive enhancers effectively, it's important to evaluate sources, look for replication, and consider context. This page emphasizes critical thinking and evidence literacy—recognizing that claims about cognitive enhancers depend on study quality, replication, and applicability to different settings. By grounding decision-making in science-backed strategies, you can explore the topic of cognitive enhancer with clarity and caution.