- Source type
- Study
- Access type
- Publisher
- Publisher
- Nature Medicine
- Date
- 2021-01-21
- Added
- 2026-06-21
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.
88
Peer-reviewed research publisher
- Publisher type
- Peer-reviewed journal
- Bias profile
- Moderate
This source is strongest for clinical outcomes and mechanism and weaker for regulatory status and trial discovery.
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.
- Regulatory status
- 65/100
- Context Source
- Clinical outcomes
- 92/100
- Primary Anchor
- Mechanism
- 90/100
- Primary Anchor
- Safety
- 86/100
- Strong Support
- Consumer context
- 72/100
- Context Source
- Trial discovery
- 65/100
- Context Source
Best used for
- Primary studies
- Systematic reviews
- Mechanistic research
Weak for
- Regulatory status
- Universal consumer recommendations
Used in Viral Vitalism
Calories Are the Accounting System, Not the Whole Metabolic Story
Roles: Primary source
Effect of a plant-based, low-fat diet versus an animal-based, ketogenic diet on ad libitum energy intake
Roles: Primary source
Show section-level references
The Carnivore Diet Is a Real Experiment, Not a Settled Science
Roles: Primary source
Effect of a plant-based, low-fat diet versus an animal-based, ketogenic diet on ad libitum energy intake
Roles: Primary source
Show section-level references
Claim ledger
Claims supported
Reviewed claim cards that cite this source in the evidence graph.
low carb: Insulin and carbohydrate quality matter, but controlled feeding evidence
Insulin and carbohydrate quality matter, but controlled feeding evidence does not support a simple insulin-only explanation of obesity or fat loss.
carnivore diet: Carnivore-style eating may improve weight or glycemic markers in
Carnivore-style eating may improve weight or glycemic markers in selected people through severe carbohydrate restriction, calorie-intake changes, food elimination, ketosis, and adherence effects, but carnivore-specific causal evidence remains weak.
Related studies
Related sources
Daily Value on the Nutrition and Supplement Facts Labels
Use for U.S. Nutrition Facts and Supplement Facts Daily Value context when discussing fiber, saturated fat, sodium, calcium, potassium, iodine, magnesium, and vitamins.
- Trust score
- 94
- Publisher
- U.S. Food and Drug Administration
- Access
- Official
- Usage
- 4 connections
Dietary Guidelines for Americans, 2025–2030
Use for current U.S. dietary-guidance context and contrast with zero-plant eating patterns.
- Trust score
- 91
- Publisher
- U.S. Department of Health and Human Services / U.S. Department of Agriculture
- Access
- Official
- Usage
- 3 connections
CDC: Steps for Losing Weight
Centers for Disease Control and Prevention used across the Viral Vitalism evidence library.
- Trust score
- 91
- Publisher
- Centers for Disease Control and Prevention
- Access
- Official
- Usage
- 7 connections
CMS: Medicare GLP-1 Bridge launch announcement
Primary CMS source for the temporary Medicare GLP-1 Bridge access program.
- Trust score
- 91
- Publisher
- Centers for Medicare & Medicaid Services
- Access
- Official
- Usage
- 1 connection
NIDDK: Choosing a Safe & Successful Weight-loss Program
National Institute of Diabetes and Digestive and Kidney Diseases used across the Viral Vitalism evidence library.
- Trust score
- 91
- Publisher
- National Institute of Diabetes and Digestive and Kidney Diseases
- Access
- Official
- Usage
- 9 connections
About Sleep
U.S. public-health context on sleep duration, quality, disorders, and adult sleep guidance.
- Trust score
- 91
- Publisher
- Centers for Disease Control and Prevention
- Access
- Official
- Usage
- 6 connections