Effects of tirzepatide therapy on body weight and body composition in adults with overweight and obesity - Takeaways - MDSpire

Effects of tirzepatide therapy on body weight and body composition in adults with overweight and obesity

  • By

  • Haley Corso

  • Austin J. Graybeal

  • Emily Hoelscher

  • Sydney Roberson

  • Briana Curran

  • Catherine Johnson

  • Kelly E. Johnson

  • July 8, 2026

  • 0 min

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  • 1

    Tirzepatide treatment in overweight and obese adults resulted in significant reductions in body weight, BMI, and body fat percentage.

  • 2

    Participants experienced an average weight loss of 31.1 kg, with fat mass reduction accounting for 85.7% of total weight loss.

  • 3

    Females showed greater percentage reductions in fat mass and body composition metrics compared to males during tirzepatide treatment.

  • 4

    Higher baseline BMI was associated with greater percentage reductions in weight and body fat metrics among participants.

  • 5

    Bioelectrical impedance analysis was utilized to assess changes in body composition, highlighting the importance of monitoring lean tissue loss.

Original Source(s)

Effects of tirzepatide therapy on body weight and body composition in adults with overweight and obesity

  • by Haley Corso, Austin J. Graybeal, Emily Hoelscher, Sydney Roberson, Briana Curran, Catherine Johnson, Kelly E. Johnson

  • July 8, 2026

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