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Tirzepatide · What it helps
Body fat and the waist
Most of the weight that comes off is fat, and the deep visceral fat around the organs goes first. Japanese imaging work showed the abdominal fat area shrinking along with better blood markers. Lean tissue is protected best when protein intake stays high and the muscles are loaded. The waist measurement is the clearest marker of the right kind of loss.
Sources
Read the original sources
- SURMOUNT-1: tirzepatide and obesity (Jastreboff and colleagues · 2022 · Published abstract · checked 2026-10-08)
- Abdominal fat and metabolic markers on tirzepatide in Japanese people with obesity disease, Waki 2026, Endocrine Practice (SURMOUNT-J) (Abstract · checked 2026-10-13)