Jillian Michaels on GLP-1 Side Effects and Long-Term Risks: warns against

Jillian Michaels has cited specific side-effect and durability concerns about GLP-1 weight-loss drugs: in an April 2026 item she noted that 50% of users experience “vomiting, constipation or diarrhoea” in early use, that Oxford researchers found users often regain weight after stopping, and that weight loss plateaus between one and two years, per the report.

Her stated reasoning is that the drugs’ benefit is both uncomfortable and temporary — she presents the side-effect profile and the rebound/plateau data as evidence that they are a poor trade for sustainable lifestyle change, reinforcing her position that they’re only appropriate for a small, high-risk minority.

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