Pulse Brain · Growing Health Evidence Index
Tier 1 — Meta-analysis / systematic reviewPeer-reviewedConventional

Comparing meat alternatives for a sustainable food system.

Bry-Chevalier T.

NPJ Sci Food · 2026

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Summary

This systematic review examines the sustainability profile of meat alternatives relative to conventional meat production across environmental, nutritional and systemic dimensions. The paper synthesises evidence on how plant-based proteins, cultivated meat, fermented proteins and other substitutes compare in terms of climate impact, resource efficiency and alignment with food system goals. The findings contribute to understanding whether and under what conditions meat alternatives support sustainable food systems.

Regional applicability

Relevant to UK food policy and industry transition towards sustainable proteins, informing procurement standards, labelling requirements and environmental impact reduction targets. Findings may inform UK agriculture and net-zero commitments, though geographic applicability depends on whether the review includes UK-specific production systems and supply chains.

Key measures

Likely greenhouse gas emissions, land use, water consumption, protein yield, nutritional composition, and systemic sustainability indicators across meat and alternative protein sources

Outcomes reported

The study likely compared environmental, nutritional, and systemic sustainability metrics across conventional meat production and various meat alternative categories (plant-based, cultivated, fermented). The analysis probably assessed lifecycle impacts, resource efficiency, and food system implications.

Theme
Climate & resilience
Subject
Climate & greenhouse gas mitigation
Study type
Systematic Review
Study design
Systematic review
Source type
Peer-reviewed study
Status
Published
System type
Food supply chain
DOI
10.1038/s41538-025-00694-3
Catalogue ID
NRmo9rin9c-0ab

Topic tags

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