More large employers are covering GLP-1 drugs, like Wegovy, for weight loss, according to a recent survey. Dhiraj Singh/Bloomberg/Getty Images

Weight loss drugs are proving to be super popular among many workers with job-based health insurance. But GLP-1 medications are busting their employers’ budgets, leading some firms to rethink their coverage.

The share of very large firms covering these drugs for obesity soared to 43% this year, up from 28% last year, according to KFF’s latest annual Employer Health Benefits Survey , which was released on Wednesday. These employers, who have more than 5,000 workers, are much more likely than their smaller counterparts to offer such a benefit.

Among firms with between 200 and 999 staffers, only 16% provide coverage of drugs for weight loss this

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