Research

Mixed

Highly effective anti-obesity medications (heAOMs) achieving 15% or more weight reduction can cause 'excessive weight reduction' leading to psychosocial challenges, nutrient deficiencies, and lean body mass loss, requiring proactive management including body composition analysis and behavioral support.

If you are taking a powerful weight loss medication and losing weight rapidly (15% or more), you need to monitor more than just your weight. Ask your doctor for a body composition analysis to ensure you aren't losing too much muscle or essential fat. Prioritize protein intake and resistance training to protect your muscle. Be prepared for changes in your social relationships and mental health, and seek support if you feel isolated or if friends/family react negatively to your changes.

ModerateQualifiesMEDIUM confidence
This has prompted an emerging new challenge of 'too much weight loss' with some of these highly effective anti-obesity medications (heAOM)... Clinicians might best recognize that the definition of 'excessive weight reduction' may have both objective and subjective considerations, with body composition analyses often essential to accurately assess adiposity.
Harold Bays et al. · Obesity Pillars · 2022

Why this rating

Based on a roundtable consensus of experts and observational clinical experience rather than a controlled randomized trial.

Source

Obesity Pillars roundtable: Excessive weight reduction with highly effective anti-obesity medications (heAOMs)

Harold Bays et al. · Obesity Pillars · 2022

DOI 10.1016/j.obpill.2022.100039

narrative_reviewCited 18×
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DOI resolved against Crossref · corpus check 2026-06-10

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