Friday, Jul 24, 2026 The claims desk. Receipts included. POWERED BY LENZ
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HEALTH

The Claim

Ultra-processed foods that are high in refined sugars and refined carbohydrates cause spikes in blood glucose levels after eating.

The Short Version

The core statement is supported: foods high in refined sugars and refined carbohydrates commonly produce faster, higher post-meal blood glucose rises. That applies to many ultra-processed products in that specific subgroup. The important caveat is that ultra-processing alone does not determine glycemic impact; the main driver is the type and amount of carbohydrate, along with the rest of the meal.

Caveats

  • Do not generalize this to all ultra-processed foods; some have lower glycemic index/load or different metabolic effects.
  • The glucose rise is driven mainly by refined carbohydrate content, portion size, and meal composition, not processing category alone.
  • Direct randomized trials specifically isolating ultra-processed-food reduction and postprandial glucose effects are still limited.

The Receipts

  1. NCT07175701 | Ultra-processed Food-reducing Intervention and ...

    ClinicalTrials.gov

  2. Glycemic Index (GI) or Glycemic Load (GL) and Dietary Interventions for the Treatment of Type 2 Diabetes: A Systematic Review

    PubMed Central

  3. Glycemic Index, Glycemic Load, Carbohydrates, and Type 2 Diabetes: Is There a Consensus?

    PubMed Central

  4. Ultra-Processed Foods Have a Lower Glycemic Index and Load Compared to Minimally-Processed and Processed Foods

    PMC

  5. Ultra-processed food consumption and risk of diabetes

    PubMed Central (NIH)

  6. Relationship between Ultra-Processed Food Consumption and Risk of Type 2 Diabetes

    PubMed Central (NIH)

  7. Minimally processed foods are more satiating and less hyperglycemic than ultra-processed foods: a preliminary study with 98 ready-to-eat foods

    PubMed

  8. Ultra-Processed Food Consumption and the Incidence of Depression: A Prospective Cohort Study

    PMC

  9. Minimally processed foods are more satiating and less hyperglycemic than ultra-processed foods: a preliminary study with 98 ready-to-eat foods

    HAL

  10. Glycemic Index and Glycemic Load

    Linus Pauling Institute

+ 15 more sources — see the full list on Lenz

Filed Under

Blood Glucose Levelprocessed foods

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