The question “which nootropics are best for memory?” is answered poorly in most content. This guide ranks compounds by the quality and specificity of their memory evidence — distinguishing between multiple independent RCTs specifically for memory outcomes vs general cognitive enhancement claims. Tier 1 (Bacopa, Alpha-GPC, DHA), Tier 2 (Creatine, Lion’s Mane, Phosphatidylserine), and the compounds that don’t make the cut and why.