
China’s “Super‑Effective 7‑Day Waist‑Slimming” Craze Goes Global, Driving Fitness Sales, Health Risks and Regulatory Crackdowns
A quick‑fix promise that has been circulating through Chinese social media under the banner “巨有效的七天瘦腰法” – literally, “super‑effective seven‑day waist‑slimming method” – is now catching the eye of fitness marketers, health officials and cultural observers around the world. Though the phrase appears most often in short Weibo videos showcasing three standing, low‑impact exercises designed to tighten the core and give the coveted “vest line” or “马甲线” look, the ripple effects extend far beyond a handful of enthusiastic influencers.













