Digestery
Diet and food › Ultra-Processed Food › Studies

Population study: one-time survey

Survey of 326 Brazilians with diabetes: processed food linked to cholesterol, not blood sugar

Bauer and colleagues · International journal of environmental research and public health · 2025

Original title: Consumption of Ultra-Processed Foods and Metabolic Parameters in Type 2 Diabetes Mellitus: A Cross-Sectional Study.

Under review. A person has not yet checked this summary against the paper. It is written from the PubMed abstract. Until a person checks it, search engines are asked not to list this page.

What the study found

Mixed

No clear link with blood sugar (HbA1c) or body size. Higher intake was linked to higher total cholesterol (Q3: β = 26.6; Q4: β = 26.7) and LDL-cholesterol (Q4: β = 19.8; Q5: β = 17.5).

The study at a glance

Type of study
Population study: one-time survey
Who or what was studied
326 people · 326 adults with type 2 diabetes in Brazil
What was tested
Higher vs lower intake of processed and ultra-processed food, compared with blood sugar control and cholesterol
What it measured
Lab tests or markers
Trial registration
NCT03793855
Who has a stake
No stake declared
No competing interests declared.
Journal
International journal of environmental research and public health, 2025
Source
PubMed record 40869860. This page is based on the abstract only.

How much this study counts

  • –A one-time snapshot: it shows a link, not a cause, and cannot show which came first.
  • •326 people.
  • –Measured lab tests or markers, which stand in for death, heart disease, diabetes and cancer. A better marker does not always mean better health.
  • ✓No competing interests declared.
  • •Summarized from the PubMed abstract only. The full paper may hold details the abstract leaves out.

✓ Strength– Limit• Note

These points come from fixed rules about the type of study, its size and length, what it measured, and who has a stake. Every study on Digestery gets the same rules.

Where this study sits

Each dot is one on-topic paper on this question. Steps near the top answer the question more directly.

↑ Stronger evidence

  1. Trials in people: death and chronic disease

    2

    1 no difference, 1 harm

  2. Trials in people: other measures

    3

    1 mixed, 1 no direction, 1 harm

  3. Trials in people: lab tests or safety

    1

    1 mixed

  4. Population studies

    17

    1 mixed, 16 harm

    ↑ This study is the ringed dot

  5. Blood levels and genes

    0

    None among the papers we read.

↓ Weaker evidence

  • Points to benefit
  • Mixed
  • No difference
  • No direction
  • Points to harm

How it fits with the other research

The short answer to “Are ultra-processed foods bad for your health?”

Linked to worse health; cause not proven.

Confidence: low. Based on 38 on-topic papers.

Read the full answer

Of the other 16 papers on the same step: 16 harm. This one found mixed. It differs from most of them.

  • Counted on the ladder, but not quoted in the page’s main findings.

Other papers on the same step

See all 38 studies on this question

How this page was made

Label

First read of the abstract
Claude Sonnet
Independent second read
Claude Haiku
Differences settled
The two reads agreed on every checked field. Claude Opus 5.5.
Headline
Claude Sonnet, from the checked study record. A script checked its numbers and wording.
Numbers
Checked against the abstract by a script
“How much this study counts”
Fixed rules, the same for every study
Source check by a person
Not yet. Required before search engines may list this page.

Spot an error? Email a flag with a link to your source, or use the form on the question page.