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Macronutrients tested in weight loss

Investigators compared cardiometabolic responses to matched weight loss across ketogenic, Mediterranean, and plant-forward diets.

  • By

  • Kathryn Wighton

  • September 24, 2026

  • 3 min

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Clinical Scorecard: Macronutrients tested in weight loss

At a Glance

CategoryDetail
ConditionObesity with prediabetes and hepatic steatosis
Key MechanismsDietary macronutrient composition impacts insulin sensitivity and weight loss outcomes.
Target PopulationAdults aged 18 to 55 years with obesity, prediabetes, and hepatic steatosis
Care SettingRandomized clinical trial

Key Highlights

  • Comparable weight loss (~10%) across three dietary approaches: ketogenic, Mediterranean, and plant-forward.
  • Ketogenic diet showed a greater increase in hepatic insulin sensitivity compared to other diets.
  • High dietary adherence (>95%) was achieved with all food provided.
  • Prediabetes remission rates were highest in the ketogenic group (50%).
  • Intrahepatic triglyceride content decreased significantly with the ketogenic diet.

Guideline-Based Recommendations

Diagnosis

  • Assess obesity, prediabetes, and hepatic steatosis in adults.

Management

  • Consider dietary macronutrient composition in weight loss interventions.

Monitoring & Follow-up

  • Monitor insulin sensitivity and metabolic outcomes during dietary interventions.

Risks

  • Small sample size may limit the ability to detect between-group differences.

Patient & Prescribing Data

Adults with obesity, prediabetes, and hepatic steatosis.

Very-low-carbohydrate ketogenic diet may enhance hepatic insulin sensitivity.

Clinical Best Practices

  • Provide all food to participants to enhance dietary adherence.
  • Regularly assess metabolic outcomes in patients undergoing dietary interventions.

Related Resources & Content

Original Source(s)

Macronutrients tested in weight loss

  • by Kathryn Wighton

  • September 24, 2026

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