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The GLP-1 Effect: How Weight-Loss Drugs Are Rewriting Fashion’s Sizing Playbook

calendar_today September 22, 2026 person Sarah domain edited

Roughly 1 in 9 US shoppers now use a GLP-1. Retailers are responding fast, some cutting extended sizes, others expanding into the space others are vacating. GLP-1 weight-loss drugs are reshaping how fashion retailers plan their size ranges.

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