Bariatric surgery recovery: week by week

As per the NHS weight-loss surgery guide and ASMBS (last checked Jul 2026): most patients go home 1–3 days after surgery, return to light work at 2–4 weeks, and reach full adaptation to their new digestive anatomy by 12–18 months. ASMBS reports around 60% of excess weight lost by 6 months and up to 77% by 12 months, for bariatric surgery generally.

• Days 1–2: Clear liquids: water, clear broth, sugar-free clear fluids, in small sips.
• Weeks 1–2: Full liquids: protein shakes, thin soups, unsweetened milk.
• Weeks 3–4: Pureed foods: smooth, blended protein-forward foods with no lumps.
• Weeks 5–8: Soft foods: soft, moist, easily-chewed foods, introduced gradually.
• From around week 8–12, most patients transition to a modified solid-food diet, guided by their dietitian.

As per the ASMBS patient guide, Life After Bariatric Surgery and healthdirect Australia (last checked Jul 2026): diet stages must be followed carefully and in order to allow surgical healing. Lifelong vitamin and mineral supplementation (multivitamin, B12, calcium, vitamin D, iron as directed) is essential after all bariatric procedures: always follow your own team's specific timeline and targets, which may differ from the general stages above.