Chaga extract (Inonotus obliquus) is a dark brown, water-soluble powder obtained by aqueous extraction of wild-harvested chaga from ecologically clean regions of Russia (Siberia, Urals, Russian North). The product contains a natural chromogenic complex (PFK) and is used as a functional ingredient for dietary supplements, beverages, functional foods, and cosmetics. The extract is highly soluble in water, has stable organoleptic properties, and is suitable for various formulations: capsules and tablets, soluble powders, tea and functional drinks, cosmetic products (serums, masks, creams). The raw material undergoes laboratory quality control. The product meets safety requirements for heavy metals and microbiology. Supply form: bulk: 5–25 kg bags (kraft with PE liner), packaged for further production. Documentation: Certificate of Analysis (CoA), Safety Data Sheet (SDS), certificate of origin, SGR (for EAEU market). The product is export-oriented and intended for cooperation with manufacturers of dietary supplements, functional foods, and cosmetics in China, Southeast Asia, and other regions.