If you’ve ever had a routine blood test, you’ve probably seen numbers for cholesterol, hemoglobin, or even zinc. But have you ever checked your CONUT score? No, it’s not a secret menu item at Shake Shack—it’s actually a critical measure of nutritional health that may be the missing link in healing diabetic foot ulcers (DFUs).
What the Heck is CONUT?
The Controlling Nutritional Status (CONUT) score is a tool used to assess malnutrition by looking at three key factors:
✅ Serum Albumin – A measure of protein levels (important for tissue repair).
✅ Total Cholesterol – A marker of overall nutrition.
✅ Lymphocyte Count – A key indicator of immune function.
Higher CONUT scores indicate worse nutritional health, and as it turns out, patients with severe diabetic foot ulcers (DFUs) tend to have much higher CONUT scores compared to those without DFUs.
The Study Breakdown: Malnutrition Matters
A new study by Nakamura et al. (2025) evaluated 319 patients and found that patients with DFUs had significantly lower hemoglobin, total protein, and serum zinc levels—and much higher CONUT scores—than both healthy individuals and those with diabetes but no ulcers.
Why This Matters?
1️⃣ Poor Nutrition = Poor Healing
• DFU patients with higher CONUT scores had more severe ulcers (high PEDIS scores) and were more likely to experience wound healing failure.
• Malnutrition affects immune response, collagen formation, and overall wound healing capacity.
2️⃣ Zinc: The Unsung Hero of Wound Healing
• Low zinc levels were independently associated with wound healing failure.
• Zinc is essential for immune function, DNA synthesis, and tissue regeneration—yet many DFU patients have dangerously low levels.
3️⃣ Chronic Limb-Threatening Ischemia (CLTI) Worsens Outcomes
• Patients with CLTI had higher CONUT scores and worse ulcer outcomes.
• Addressing both vascular health and nutrition is key to improving healing.
What Can We Do About It?
👣 Monitor Nutritional Status – The CONUT score is easy to calculate from standard blood tests. Why not make it a routine part of DFU care?
🥩 Prioritize Protein Intake – Low albumin levels = slow healing. Patients should ensure adequate protein consumption for tissue repair.
🥜 Boost Zinc Levels – Consider dietary sources (oysters, nuts, lean meats) or supplements if levels are low.
🩺 Integrate Nutrition Into Wound Care – The study highlights a major gap in DFU treatment: addressing nutrition alongside standard wound care could dramatically improve outcomes.
The Bottom Line
If you or someone you know is dealing with a diabetic foot ulcer, it’s time to ask the real question: What’s your CONUT? Because when it comes to healing, nutrition is just as important as debridement, offloading, and infection control.
📖 Reference: Nakamura et al., 2025. Evaluation of CONUT Score and Serum Zinc Levels in Patients with Diabetic Foot Ulcers.
This is one of the best light , we could have as asupport again amputation, Thank so much Dr Armstrong