Ethics of Lab-Grown Meats

As the global population is projected to approach 10 billion by 2050, ensuring equitable and sustainable food distribution has become a critical concern. Traditional livestock farming faces significant challenges, including environmental degradation, resource scarcity, and ethical issues related to animal welfare. Lab-grown meats are innovative in revolutionizing the food market by providing a sustainable, ethical, and environmentally friendly alternative to traditional meat production. Technological advances like CRISPR-Cas9 genome editing and synthetic biology have propelled lab-engineered meats into the spotlight, offering novel solutions to global food challenges  (McGorman). However, this emerging technology raises important ethical questions, including the use of animal cells in the production process and the implications for rural farming communities. 

Scientific Foundations of Lab-Grown Meat

Lab-grown meat production begins with extracting muscle satellite cells—also known as myoblasts—from a living animal through a biopsy. These cells are progenitor cells capable of differentiating into mature muscle fibers. The process avoids slaughtering animals, addressing significant animal welfare concerns.

In a controlled laboratory environment, these myoblasts are cultured in a growth medium rich in nutrients such as amino acids, glucose, vitamins, and minerals. Traditionally, fetal bovine serum (FBS) has been used as a growth medium, but ethical and scalability concerns have led to the development of animal-free alternatives like plant-based serums, which were recently approved in 2022 (Messmer et al.). 

With advancements in tissue engineering, companies have enabled the development of scaffolds made from edible biomaterials, which provide structural support for muscle cell growth. Cells’ 3D growth further mimics the taste and texture of conventional meat. To generate larger quantities, companies use bioreactors to provide controlled conditions for temperature, pH, and oxygen levels, which are crucial for optimal cell growth and differentiation (Kulus et al.). 

CRISPR and Synthetic Biology in Cultured Meat

CRISPR-Cas9 technology is a gene editing tool implemented in “various yeast strains to take food and drink production to the next level” (McGorman). Through gene editing, companies can derive new food flavors and enhance traditional tastes, such as nootkatone, valencene, vanillin, and l-arabinose, without using natural plants. In lab-grown meat, CRISPR may be implemented to enhance desirable traits such as upregulating the synthesis of essential fatty acids like omega-3 – a beneficial fatty acid for brain function – to create meat products with added health benefits (Mahbuba Akther Mishu et al.). 

Case Study: Singapore’s Pioneering Role

Despite current resources, many communities face issues of starvation and malnutrition due to geographical limitations in farming. Even Singapore, a high-income country, needs more land availability to produce food for its growing population.  In 2020, the Singapore Food Agency (SFA) became the first regulatory body to approve the sale of cultured meat products after a rigorous safety assessment. A recent article by Sui-Lee Wee highlights a lab-engineered meat company in Singapore that has passed all regulatory requirements and is now selling cultivated meat to the public. 

Consumers trying lab-grown meat in Singapore often note that “it looked, cooked, and tasted like chicken,” expressing sentiments like, “I like eating meat, and if I can do it without animal cruelty, it’s ideal” (Wee). This reflects a growing desire to enjoy the benefits of meat consumption while addressing ethical concerns related to animal welfare. From a utilitarian perspective, the production of lab-grown meat could reduce animal suffering and minimize environmental impacts by decoupling meat production from traditional farming practices. In land-scarce places like Singapore, lab-grown meat offers a sustainable alternative that could alleviate food shortages.

Health, Cultural and Religious Implications

Although lab-grown meat has been in development for a few years, longitudinal studies on the health outcomes of consuming lab-grown meats have been limited. Companies often market their products’ nutritional values and benefits to attract consumers, so less attention is paid to the long-term implications for human health. 

Cultural and religious beliefs add another layer to the ethical landscape. For some, genetic manipulation in food production may conflict with religious dietary laws or cultural values that emphasize naturalness in food. Questions arise about whether lab-grown meat is permissible under halal or kosher dietary laws.

Religious scholars and authorities are beginning to examine these issues. For example, some Islamic scholars suggest that if the original cells are from a halal-slaughtered animal and the growth medium is free from prohibited substances, lab-grown meat could be considered halal (Hong et al.). Engaging in open dialogue with diverse communities can address these concerns, ensuring that the development and marketing of lab-grown meat are sensitive to various perspectives.

Accessibility and Transparency for Consumers

Accessibility and social equity are also significant considerations when it comes to new food products. In Singapore, a quarter-pound of lab-grown meat costs about 7.20 Singapore dollars (USD 5.30) with government subsidies, which is relatively expensive compared to conventional meat prices elsewhere, such as $1.25 in the United States (“Average Retail Food”). This raises concerns about affordability and whether such technological advancements might widen socioeconomic gaps. If perceived as a luxury item, lab-grown meat could inadvertently contribute to social divisions. Companies should strive to make these products affordable and accessible, preventing them from becoming symbols of exclusivity and ensuring that the benefits of this technology are widely shared. 

Furthermore, increasing transparency around what lab-grown meats are fundamentally may help to address these ethical concerns and enforce conscious consumer decisions. Lab-grown meats sold in stores like Huber’s Butchery are packaged similarly to traditional meats, which could lead to consumer confusion due to unclear labeling of ingredients and production methods. For consumers to make informed choices, companies should collaborate with regulatory bodies to provide clear, accessible information about how these products are made. Enhancing health information in the public can help build trust and allow individuals to make decisions aligned with their values, preventing misinformation from hindering their decisions. For instance, vegetarians and vegans who avoid meat due to animal welfare concerns might consider lab-grown options if they are well-informed about the production process. 

Deontological Ethical Considerations

The manipulation of natural processes raises questions from a deontological ethical standpoint. Is altering the genetic makeup of food inherently wrong, or can it be justified by benefits like increased food supply and enhanced nutritional values? Similar debates have surrounded genetically modified organisms (GMOs), where the balance between innovation and maintaining natural biological order is continually assessed.

For instance, both GMOs and Lab-grown meats share the risk of unintended consequences. GMOs have faced criticism for the potential development of “superweeds” resistant to herbicides that arise from cross-pollination with other genetically edited crops. The superweeds would then outcompete local and native plants for nutrition in the soil, leading to altered natural landscape and vegetation potentials. With lab-grown meats, the spread of lab cells into the environment may occur if the consumer decides to place them in the trash and end up in the landfill. However, it is unknown what the risks are for lab-grown meats and cells to enter the natural environment. 

To weigh the ethical implications of genetically modified organisms (GMOs) and lab-grown meat, two distinct ethical frameworks can be employed: deontological ethics and consequentialist ethics. From a deontological perspective, the intervention to genetically modify organisms is considered inherently wrong, regardless of the potential benefits. This moral framework prioritizes the adherence to principles and intrinsic values over outcomes, leading to questions about whether humans have the right to interfere with life forms at a molecular level, treating them as mere tools for human purposes rather than as entities with their own inherent worth. Therefore, a deontological lens suggests that tampering with natural biological processes violates a fundamental respect for the integrity of life. 

Yet, if examined through a utilitarian perspective, lab-grown meats are optimizing the production of meat in a sustainable and cruelty-free way. Proponents of genetic modification and lab-grown meat counter these arguments by emphasizing the moral imperative to alleviate global challenges like hunger, malnutrition, and climate change. They argue that if the outcomes of these innovations significantly reduce human suffering and environmental harm, they may be ethically justifiable under utilitarian frameworks, even if they conflict with deontological principles.

Conclusions

In conclusion, the ethical considerations surrounding lab-grown meat are multifaceted, involving animal welfare, consumer rights, transparency, cultural sensitivity, and social equity. Proactively addressing these ethical challenges is imperative to ensure that lab-grown meat fulfills its potential as a revolutionary technology. By fostering medical literacy and open communication, we can bridge the gap between scientific innovation and public perception, enabling this advancement to contribute positively to society without exacerbating existing inequalities.

Supplementary Reading: The Country Where You Can Buy Meat Grown in a Lab 

Written by Helen Lu

Edited by Aniella Murphy

Works Cited

1. “Average Retail Food and Energy Prices, U.S. And Midwest Region : Mid–Atlantic Information Office : U.S. Bureau of Labor Statistics.” Bls.gov, 12 Mar. 2019, www.bls.gov/regions/mid-atlantic/data/averageretailfoodandenergyprices_usandmidwest_table.htm.

2. Hong, Tae Kyung, et al. “Current Issues and Technical Advances in Cultured Meat Production: A Review.” Food Science of Animal Resources, vol. 41, no. 3, May 2021, pp. 355–72, https://doi.org/10.5851/kosfa.2021.e14.

3. Kulus, Magdalena, et al. “Bioreactors, Scaffolds and Microcarriers and in Vitro Meat Production—Current Obstacles and Potential Solutions.” Frontiers in Nutrition, vol. 10, Frontiers Media, Sept. 2023, https://doi.org/10.3389/fnut.2023.1225233.

4. McGorman, Cillian. “CRISPR and Delicious.” GEN - Genetic Engineering and Biotechnology News, 1 Feb. 2024, www.genengnews.com/topics/genome-editing/crispr-and-delicious/.

5. Messmer, Tobias, et al. “A Serum-Free Media Formulation for Cultured Meat Production Supports Bovine Satellite Cell Differentiation in the Absence of Serum Starvation.” Nature Food, vol. 3, no. 1, Jan. 2022, pp. 74–85, https://doi.org/10.1038/s43016-021-00419-1.

6. Mishu, Mahbuba, et al. “Advancement of Animal and Poultry Nutrition: Harnessing the Power of CRISPR-Cas Genome Editing Technology.” Journal of Advanced Veterinary and Animal Research, vol. 11, no. 2, ScopeMed, 2024, p. 483, https://doi.org/10.5455/javar.2024.k798.

7. Wee, Sui-Lee. “You Can Buy Meat Grown in a Lab in This Country.” The New York Times, 24 July 2024, www.nytimes.com/2024/07/24/world/asia/singapore-cultivated-lab-meat.html?searchResultPosition=3.