Think Twice Before Spreading It In the heart of Batavia, Illinois, an unassuming industrial park is home to what some hail as the next great leap in sustainable food production: lab-grown butter. Backed by Bill Gates, the startup Savor has developed a method of creating fat molecules from carbon dioxide and hydrogen without using cows, plants, or farmland. It looks, smells, and tastes like butter. It’s even marketed as a climate-friendly solution. But behind the glossy press releases and glowing news segments lies a story that raises serious questions about safety, transparency, and the broader agenda driving this new wave of synthetic foods. Butter Without Cows or Fields Savor’s process begins with carbon dioxide from the air and hydrogen from water. Through a thermochemical reaction, these elements are reassembled into fat molecules identical in structure to those found in dairy butter. The company says it’s “just our fat, some water, lecithin as an emulsifier, and natural flavor and color.” The result is a substance that can be whipped, spread, and baked into pastries without involving a single blade of grass or a grazing cow. To the uninformed (the miseducated left), the environmental argument seems compelling. No methane emissions from livestock, no fertilizer runoff from dairy farms, no vast acreage devoted to feed crops. The company claims a land footprint “a thousand times lower” than traditional agriculture, and nearly zero greenhouse gas emissions during production. But environmental marketing almost always glosses over the most important question of all: what happens when humans start eating this stuff every day for years or decades? The Safety Studies That Don’t Exist… Again Unlike traditional butter, which has centuries of dietary history and extensive research behind it, lab-grown butter has no long-term safety record. Unlike traditional butter, which has centuries of dietary history and extensive research behind it, lab-grown butter has no long-term safety record. There are no decades-long epidemiological studies tracking chronic health outcomes from consuming synthetically manufactured fats. We simply don’t know whether daily consumption could influence rates of cancer, metabolic disorders, inflammation, or immune dysfunction over time. Even more concerning is how quickly the product has been fast-tracked into the food supply. The FDA has approved it under the Generally Recognized as Safe (GRAS) system, which allows companies to self-certify safety without rigorous, independent testing. That means the same entity producing and profiting from the butter is also the one vouching for its safety. Proprietary Processes and Hidden Ingredients The company emphasizes that its process is “just chemistry,” but much of the chemistry is proprietary. If genetically engineered microbes or cell cultures are used in any part of production, there’s potential for novel proteins or residual growth factors to make their way into the final product. Some growth media in cultured foods have historically contained substances like antibiotics or hormones to maintain sterility and accelerate production. Even trace amounts can affect gut bacteria, contribute to antibiotic resistance, or trigger allergic reactions in sensitive individuals. Without full disclosure of the inputs, consumers have no way of knowing what they’re really eating. And without mandatory labeling, they may not even know they’re eating it at all. Slop Water and the Question of Contamination Perhaps the most eyebrow-raising allegation involves grey water or “slop water” as some call it…  an industrial byproduct that can contain hydrocarbons, emulsifiers, catalysts, and other contaminants. In manufacturing, slop water is typically treated as hazardous waste. Yet whistleblowers claim certain food-tech companies are exploring ways to incorporate slop-water-derived hydrocarbons into production processes for synthetic fats. Even if not directly used as an ingredient, the presence of slop water in a facility raises serious questions about cross-contamination and environmental handling. Poor management of this wastewater can lead to soil and groundwater pollution, occupational exposure risks, and regulatory violations. The fact that such industrial hazards are even adjacent to food production underscores the need for stricter oversight. Environmental Promises That May Not Hold Up The sales pitch for lab-grown foods hinges on the idea that they’re better for the planet. But several independent studies have suggested that the full life-cycle emissions of cultured or synthetic foods can be significantly higher than advertised — in some cases up to 25 times greater than traditional farming when you account for the energy intensity of production. The thermochemical processes used to make lab-grown butter are not energy-free; they require high heat, specialized catalysts, and continuous facility operations. If the energy comes from fossil fuels, the environmental advantage evaporates. And unlike a pasture, an industrial lab produces no biodiversity, no pollinator habitat, and no replenished topsoil — the ecological benefits that come from traditional agriculture. The Human Health Wild Card Novel foods also pose novel biological questions. The human body has evolved alongside naturally occurring fats for millennia. While the chemical structure of lab-grown butter may be similar to dairy fat, subtle differences in impurities, oxidation products, or micro-components could affect how our bodies metabolize it. Interactions with the gut microbiome — an ecosystem finely tuned to natural foods — remain unstudied. Any shifts in microbial balance could have downstream effects on digestion, immunity, and mental health. Some scientists also raise concerns about horizontal gene transfer — the theoretical possibility that DNA from engineered microbes used in production could transfer to human gut bacteria. While considered unlikely, the absence of long-term consumption data makes it impossible to rule out. Regulatory Gaps and the Transparency Problem One of the most alarming aspects of the lab-grown butter story is how quickly it has entered the market without robust oversight. The GRAS system, while intended for familiar, well-understood ingredients, is now being applied to entirely new classes of foods. Without mandatory pre-market testing, without public access to full safety data, and without clear labeling, consumers are essentially part of a mass, uncontrolled experiment. Meanwhile, early distribution through restaurants and bakeries means people could be eating lab-grown butter without realizing it. This approach sidesteps the consumer choice factor entirely — a troubling precedent for other synthetic foods on the horizon. A Bigger Agenda? Some critics see lab-grown butter not as a standalone product, but as part of a broader shift away from traditional farming toward patented, centralized, industrial food systems. The same investors backing synthetic dairy are also heavily invested in lab-grown meats, insect protein, and genetically engineered crops. Consolidating the food supply into a handful of proprietary technologies gives those investors unprecedented control over what we eat, how it’s made, and who profits from it. For those concerned about food sovereignty and resilience, this is more than a question of health — it’s a question of who owns the future of food. Proceeding With Caution Lab-grown butter may be marketed as the guilt-free, planet-saving alternative to dairy, but consumers would be wise to pause before embracing it. Without long-term safety studies, without transparency in production methods, and without robust regulatory oversight, the public is being asked to take a giant leap of faith on a product that is fundamentally different from anything humans have ever eaten. Real butter — from grass-fed cows raised on regenerative farms — remains a food with a known nutritional profile, a long cultural history, and benefits that extend beyond the plate to the land itself. Until synthetic alternatives can demonstrate the same level of safety and ecological integrity, there’s every reason to keep the real thing on your table. Avoid “synthetic” butter despite any claims these manufacturers and marketers say. They almost always lie and distort the truth. Ask your doctor if Lab-Grown Butter is right for you.