High Performance Thin-Layer Chromatography (HPTLC) is a state-of-the-art technique used to assess identity and quality of botanicals and various ingredients. It often times is able to detect adulterants and contamination including incorrect plant parts, closely related species, and unknowns. This technique is applicable to crude raw botanicals from powdered to whole form, extract (powdered or liquid), and finished product/blends. It is a preferred technique worldwide.