Trust in health supplements used to be built on pharmacy shelves and doctor recommendations. In China, that's changing fast. Haleon — parent company of Centrum and Caltrate — reported 100% year-on-year growth on Douyin in Q1 2026, not by hiring influencers, but by putting its scientists on livestream. This shift signals something bigger: in Chinese marketing, scientific credibility is becoming the most powerful form of content. For international brands with decades of research behind them, this is a wide-open opportunity — if they know how to use it.

How does an overseas health supplement brand transition from a gray-market viral sensation to a dominant omnichannel ecosystem in the world's most competitive retail landscape? This case study explores the ten-year evolution of Swisse in China. From leveraging the early "Daigou" (personal shopper) wave and cross-border e-commerce boom to pivoting toward a localized "Mega Brand" strategy targeting every life stage, Swisse provides a masterclass in market adaptation. We unpack the brand's strategic milestones, its omnichannel retail execution, and the unwavering commitment to product efficacy that built its deepest competitive moat in a rapidly shifting consumer environment.

China's market for overseas dietary and nutritional health products experienced a robust resurgence. This article delves into the 2023 Tmall 618 sales data to analyze the characteristics of health products preferred by Chinese consumers and the trends in China's market for overseas health products.