Resumen de Investigación
Analyzed using Evidence Intelligence™

Low carbohydrate diet improves lipid profiles in type 1 diabetes

Última actualización 21 de agosto de 2026

Key finding

Sphingomyelins were significantly elevated during low carbohydrate diet.

This study investigated lipidomic profiles in individuals with type 1 diabetes undergoing dietary changes, revealing significant elevations in certain lipids during a low carbohydrate diet.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Medium-Term (3–12 mo)

Risk of bias

Some Concerns

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Plain-language summary

What this paper says

A plain-language read of the study’s main message and where it applies.

Study focus

This study investigated lipidomic profiles in individuals with type 1 diabetes undergoing dietary changes, revealing significant elevations in certain lipids during a low carbohydrate diet.

Clinical relevance

Understanding how different dietary patterns affect lipid profiles in individuals with type 1 diabetes is crucial for managing their condition. The findings suggest that a low carbohydrate diet may positively influence lipid metabolism, potentially leading to improved cardiovascular health outcomes in this population.

Keep in mind

The study had a limited sample size. Findings may not be generalizable to all individuals with type 1 diabetes. The duration of dietary interventions was not specified.

Published in

Referencia de la Revista

Publication details and source links for this paper.

Naba A, Signe S, Tommi S, et al. Lipidomic profiles in individuals with type 1 diabetes during carbohydrate dietary changes. Endocrinology, Diabetes & Metabolism. 2021;4(2):e00213. doi:10.1002/edm2.213

Efectos Principales

Sphingomyelins were significantly elevated during the low carbohydrate diet.

Phosphatidylcholines were significantly elevated during the low carbohydrate diet.

HDL cholesterol increased by 0.06 mmol/L during the low carbohydrate diet.

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to High-carbohydrate diet, Low-carbohydrate diet and Elevated sphingomyelin concentration during low carbohydrate diet, HDL cholesterol, Lysophosphatidylcholine, and 1 more.

Primary intervention

High-carbohydrate diet

Primary outcomes

  • Elevated sphingomyelin concentration during low carbohydrate diet
  • HDL cholesterol
  • Lysophosphatidylcholine

Evidence relationships

Intervention and outcome relationships this study adds to the evidence network.

8
Evidence pairs
8
Relationships
0
Evidence topics
contributes_evidence

Editorial context

Why this study matters

See why this paper is useful beyond its individual results.

Evidence network role

This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.

Moderate contributionModerate confidenceNetwork score: 50

0

Related topics

8

Evidence pairs

0

Related studies

Why it is useful

  • Contributes to 8 evidence relationships
  • Includes primary outcome data
  • Linked to 0 direct semantic evidence topics

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Evidencia principal

Relación de evidencia

Low-Carbohydrate Diet Education and Adipokine and Angiogenic Markers

Evidencia relacionada

Intervención

Low-Carbohydrate Diet Education

Guardar evidencia

Resultado

Adipokine and Angiogenic Markers

Guardar evidencia

Core evidence

Study findings

The primary outcomes reported in this study.

Elevated sphingomyelin concentration during low carbohydrate diet

High-carbohydrate diet → Elevated sphingomyelin concentration during low carbohydrate diet

High-carbohydrate diet → Elevated sphingomyelin concentration during low carbohydrate diet

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

HDL cholesterol

High-carbohydrate diet → HDL cholesterol

High-carbohydrate diet → HDL cholesterol

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Lysophosphatidylcholine

High-carbohydrate diet → Lysophosphatidylcholine

High-carbohydrate diet → Lysophosphatidylcholine

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Lysophosphatidylcholine (LPC) O-16:0 concentration

High-carbohydrate diet → Lysophosphatidylcholine (LPC) O-16:0 concentration

High-carbohydrate diet → Lysophosphatidylcholine (LPC) O-16:0 concentration

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Elevated sphingomyelin concentration during low carbohydrate diet

Low-carbohydrate diet → Elevated sphingomyelin concentration during low carbohydrate diet

Low-carbohydrate diet → Elevated sphingomyelin concentration during low carbohydrate diet

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

HDL cholesterol

Low-carbohydrate diet → HDL cholesterol

Low-carbohydrate diet → HDL cholesterol

Evidence Intelligence™
EvidenceScore™
68
Moderate
ImpactScore™
92
Very Positive
ConsistencyScore™
67
generally_consistent
Estudios de apoyo: Basado en 3 estudios
Add to Evidence Tracker

Lysophosphatidylcholine

Low-carbohydrate diet → Lysophosphatidylcholine

Low-carbohydrate diet → Lysophosphatidylcholine

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
25
Negative
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Lysophosphatidylcholine (LPC) O-16:0 concentration

Low-carbohydrate diet → Lysophosphatidylcholine (LPC) O-16:0 concentration

Low-carbohydrate diet → Lysophosphatidylcholine (LPC) O-16:0 concentration

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Evidence Library

Build your evidence library

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evidence suggest

La Evidencia Sugiere

  • Sphingomyelins increased significantly during the low carbohydrate diet (p=0.01).
  • Phosphatidylcholines increased significantly during the low carbohydrate diet (p=0.009).
  • HDL cholesterol increased by 0.06 mmol/L during the low carbohydrate diet (p=0.005).
who this applies

A quién se aplica

  • Adults with type 1 diabetes.
  • Individuals interested in dietary impacts on lipid profiles.
keep in mind

Tener en Cuenta

  • Results are specific to the studied population and may not apply broadly.
  • The study did not explore long-term effects of dietary changes.
  • Further research is needed to confirm findings across diverse populations.
between the lines

Entre Líneas

  • The study had a limited sample size.
  • Findings may not be generalizable to all individuals with type 1 diabetes.
  • The duration of dietary interventions was not specified.

Evidence Library

Build your evidence library

Save research, organize studies, and quickly find important evidence again.

Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Low-Carbohydrate Diet Education and Adipokine and Angiogenic Markers, High-carbohydrate diet and Adipokine and Angiogenic Markers.

Relaciones de evidencia relacionadas

Explore in Evidence Explorer

This study contributes to the evidence on the following intervention-outcome relationships.

Questions answered by this study

Generated from the study's connected evidence using Evidence Intelligence™.

Does Low-Carbohydrate Diet Education improve adipokine and angiogenic markers?

Moderate Evidence

Low-Carbohydrate Diet Education appears to improve Adipokine and Angiogenic Markers.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    HDL cholesterol

    EvidenceScore™ Moderate | EvidenceScore™ 67.8 | strong positive | ConsistencyScore™ Generally Consistent | 1 study

Why this answer: This answer is based on 3 supporting studies with consistent results and a positive effect signal.

Limitations

  • Population details are unavailable.
3 supporting studiesUpdated: Aug 2026

Does Low-carbohydrate diet improve elevated sphingomyelin concentration during low carbohydrate diet?

Emerging Evidence

Low-carbohydrate diet appears to improve Elevated sphingomyelin concentration during low carbohydrate diet.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Elevated sphingomyelin concentration during low carbohydrate diet

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026

Does Low-carbohydrate diet improve lysophosphatidylcholine (lpc) o-16:0 concentration?

Emerging Evidence

Low-carbohydrate diet appears to improve Lysophosphatidylcholine (LPC) O-16:0 concentration.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Lysophosphatidylcholine (LPC) O-16:0 concentration

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026

Does High-carbohydrate diet improve elevated sphingomyelin concentration during low carbohydrate diet?

Emerging Evidence

Current evidence does not show a clear benefit of High-carbohydrate diet for Elevated sphingomyelin concentration during low carbohydrate diet.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Elevated sphingomyelin concentration during low carbohydrate diet

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026
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