CHICAGO–(BUSINESS WIRE)–NielsenIQ (NYSE: NIQ), a global leader in consumer intelligence, today announced the launch of Amazon third-party marketplace (commonly known as Amazon 3P) measurement for all Health & Beauty Care categories. By integrating Amazon third-party data into NIQ’s established retail measurement and existing data sets, including Amazon first-party data (1P), the enhanced offering delivers an expanded view of category performance and consumer purchasing behavior across onl