Dihydrokavain (CAS No. 2385-86-6; Molecular Formula: C₁₄H₁₄O₃; MW: 230.26) is a kavalactone and specialty chemical derived from the roots of the kava plant (Piper methysticum). It is provided as a white to light yellow powder with purity of 94.5-100%, water content ≤5.0%, and identity confirmed by IR spectrum, NMR, and specific rotation [α]_D²⁰ = +27° to +31° (c=0.5 in methanol). This niche additive is used in natural supplements for its anxiolytic, calming, and mild sedative effects to reduce stress and anxiety, promote relaxation and sleep quality, support muscle relaxation, and provide potential anti-inflammatory benefits in topical applications.