Cardiometabolic effects of omnivorous vs vegan diets in identical twins

StudyGovernment health research

Source type: Study
Access type: Abstract/index
Publisher: JAMA Network Open
Indexed by: PubMed
Date: 2023
Added: 2026-07-01

Trust profile

VV Source Trust Matrix v1.0

VV Source Trust Matrix v1.0 asks whether this source is trustworthy for the claim lane being used, not whether every possible claim from it is equally strong.

Government health research

Publisher type: Government research
Bias profile: Low

This source is strongest for safety and clinical outcomes and weaker for consumer context and regulatory status.

VV Source Fit Score 1.0

Fit by use case

Fit scores are role-specific. A source can be excellent for one claim lane and weak for another.

Frameworks ->

Regulatory status: 66/100; Context Source
Clinical outcomes: 90/100; Primary Anchor
Mechanism: 90/100; Primary Anchor
Safety: 92/100; Primary Anchor
Consumer context: 88/100; Strong Support
Trial discovery: 89/100; Strong Support

Best used for

Research synthesis
Public-health context
Safety resources

Weak for

Primary endpoint extraction when a study is available

Used in Viral Vitalism

Primary sourcesignal3 references

Vegan Diets Can Be Elite or Deficient

Roles: Primary source

Show section-level references

Primary sourcestudy1 reference

Roles: Primary source

Show section-level references

Stanford twin vegan trial

Claim ledger

Claims supported

Reviewed claim cards that cite this source in the evidence graph.

supported83/100

vegan diet: Vegetarian and vegan diets can lower LDL-C and apoB

Vegetarian and vegan diets can lower LDL-C and apoB on average in randomized trials, especially when they improve saturated-fat and fiber patterns.

Strong human evidence2 sources

partly supported80/100

vegan diet: A healthy vegan diet can improve several cardiometabolic markers

A healthy vegan diet can improve several cardiometabolic markers over weeks, but short-term biomarker gains are not the same as guaranteed long-term outcomes for every vegan diet.

Early human evidence2 sources