What is lab-grown / cultivated meat?
Summary
Cultivated meat is real animal tissue grown from cells in a bioreactor, without raising or slaughtering animals. It could dramatically reduce animal suffering and environmental impact, but faces significant cost, scale, and energy challenges. The vegan community is cautiously split on whether to support it.
Key Points
- 1Cultivated meat (also called cultured, cell-based, or lab-grown meat) is produced by taking a small sample of animal cells — typically via a painless biopsy — and growing them in a nutrient-rich medium inside a bioreactor. The result is genuine animal tissue, not a plant-based imitation. The process eliminates the need to raise and slaughter billions of animals annually.
- 2The potential benefits are substantial. A 2023 CE Delft life-cycle analysis projected that at scale with renewable energy, cultivated meat could reduce greenhouse gas emissions by 92%, land use by 95%, and water use by 78% compared to conventional beef. Even compared to chicken — the most efficient conventional meat — reductions would be significant. The animal welfare implications are transformative: producing meat without sentient suffering.
- 3Current limitations are real and should not be understated. As of early 2026, cultivated meat costs remain far above conventional meat despite dramatic decreases from the $330,000 hamburger of 2013. Scaling bioreactor capacity to meaningful production volumes is an unsolved engineering challenge. Energy use is a concern — some analyses suggest that if powered by fossil fuels, cultivated meat could have a larger carbon footprint than conventional poultry (Lynch & Pierrehumbert, 2019). The growth medium has historically used fetal bovine serum (FBS), though most companies have developed or are developing animal-free alternatives.
- 4The vegan community is genuinely divided. Consequentialist vegans — those focused on reducing suffering — tend to support cultivated meat because it could eliminate the vast majority of animal suffering in food production. Abolitionist vegans often oppose it on the grounds that it perpetuates the commodification of animals and the cultural norm of eating animal tissue, even if no animal is directly harmed. Both positions have philosophical coherence.
- 5Regulatory status varies by country. Singapore approved Eat Just's cultivated chicken in 2020. The USDA and FDA jointly approved UPSIDE Foods and GOOD Meat for U.S. sale in 2023. The EU, UK, and many other jurisdictions are still developing regulatory frameworks. Israel and several other countries are actively investing in cultivated meat research.
Evidence Summary
CE Delft (2023) conducted an anticipatory life-cycle assessment projecting benefits at scale, but Risner et al. (2024, UC Davis) provided a peer-reviewed counterpoint showing 4-25x worse GWP than beef under current pharma-grade media production. CE Delft (2023) also conducted the most comprehensive anticipatory life-cycle assessment, projecting significant environmental benefits at commercial scale with clean energy.
Nearly all environmental projections for cultivated meat are based on modeling, not on actual commercial-scale production data, because commercial-scale production does not yet exist. Cost projections have consistently been more optimistic than actual cost reduction trajectories. The social and cultural acceptance of cultivated meat is uncertain — consumer surveys show interest but also significant 'yuck factor' resistance. Long-term health effects of consuming cultivated meat are unknown because long-term consumption data does not exist. The technology could also be captured by existing meat industry incumbents rather than transforming the food system.
The Bottom Line
Cultivated meat represents a potentially transformative technology that could dramatically reduce animal suffering and environmental damage from food production. The evidence suggests the science is sound, but the engineering, economic, and scaling challenges are substantial and unresolved. Whether vegans should support it depends on whether you prioritize reducing total suffering (consequentialist case for support) or ending the cultural normalization of eating animals (abolitionist case for opposition). Both positions deserve honest engagement.
Practical Takeaways
You do not need to wait for cultivated meat to reduce your impact — plant-based alternatives are available now and already achieve most of the environmental and all of the animal welfare benefits. If cultivated meat becomes affordable and widely available, it may be the most effective tool for reducing global meat consumption among people unwilling to adopt plant-based diets. Supporting research and development in this area is compatible with veganism for most mainstream vegan organizations, including The Good Food Institute (co-founded by a former PETA VP).