Bovaer, the methane-reducing cattle feed additive, poisons milk and meat and is part of a Bill Gates depopulation plot
Where the evidence lands: FalseThat Bovaer, the trade name for the feed additive 3-nitrooxypropanol (3-NOP), passes into the milk and meat of the cattle that eat it; that consuming those products causes cancer, infertility, or other harm; that its safety-label warnings prove the industry knows it is dangerous; and that the whole rollout is orchestrated by Bill Gates and 'globalist' elites as part of a scheme to depopulate or control the public under cover of fighting climate change.
Believed by: Went viral in the UK and wider Anglophone world after Arla's November 2024 trial, with milk-pouring boycott videos; recurs periodically
The full story
The real things the scare grew on
Take the suspicion at its strongest, because it did not come from nowhere. Several of its raw materials are true.
Bovaer is real and it really is being added to cattle feed. It is not a rumor; it is an approved product, developed by the Dutch firm dsm-firmenich, designed to cut the methane cows produce by roughly a quarter to a third. A staple food really is being changed on purpose, and shoppers were not wrong to notice.
The safety document is real, too.Bovaer’s product literature genuinely carries hazard warnings, telling handlers to avoid skin and eye contact and not to inhale the dust. Anyone who found that sheet and had not been told what it governs could be forgiven for feeling alarmed.
And the Bill Gates thread has a genuine kernel.Gates really did back cattle-methane technology: his Breakthrough Energy Ventures led a funding round in 2023 for a startup working on exactly this problem. A famous billionaire investing in changing what cows are fed is a documented fact, not a fantasy. Layer a real additive over a real hazard label over a real Gates investment, and the frightening story writes itself. What the theory adds, and what fails, is the claim that these pieces connect into one plot aimed at the person holding the glass.
Where the additive actually goes
The central claim is testable, because chemistry is testable. The fear is that Bovaer travels from feed into milk and beef and then into you. It does not. The additive works by being broken down inside the cow’s rumen, where it interrupts the microbes that generate methane, and in the process it is degraded into compounds the animal already processes. Regulators who studied this, not the manufacturer alone but the EFSA, the UK Food Standards Agency, and the US FDA, each concluded that the active substance is not present in the milk or the meat that reaches consumers.
The numbers make the point concrete. The EFSA estimated that a person’s exposure to the relevant breakdown compound through milk from treated cows would sit at least a thousand times below the acceptable daily intake. That is not a narrow safety margin; it is the difference between a measurable dose and effectively none. The FSA, for its part, told the public plainly that milk from cows fed Bovaer is safe to drink, because the additive does not pass into it.
This is why the cancer and infertility claims collapse on inspection. The FSA assessed Bovaer as non-carcinogenic and non-genotoxic at the recommended dose. A rat study did flag a signal in females, but a closer analysis found the rate at the highest dose was not statistically different from the untreated group; and the reproductive effects that circulate online appeared only in animals dosed directly at levels around a thousand times the acceptable daily intake. None of that transfers to a human drinking milk, for the simple reason that the milk does not carry the additive in the first place. A harm requires an exposure, and the exposure is what the record rules out.
The misread label and the wrong billionaire
The two most persuasive-looking pieces of the scare, the hazard label and the Gates connection, are both real documents pointed at the wrong conclusion. The warnings people screenshot come from Bovaer’s safety data sheet, the standard document that governs how the concentrated product is handled in industrial settings. Workers making or measuring out the raw powder are told to wear protective equipment and avoid breathing the dust, precautions that are routine across countless feed supplements and ordinary chemicals. dsm-firmenich and independent scientists made the distinction that the posts erased: a warning about handling a concentrated powder in a plant is not a warning about the trace-free milk on a shelf. The same coffee you drink safely comes from beans whose concentrated processing dust carries workplace precautions; nobody reads the factory safety sheet as proof the drink is poison.
The Gates thread fails on a plainer error of fact. Gates has no connection to Bovaer, to dsm-firmenich, or to Arla. His Breakthrough Energy Ventures invested in Rumin8, a separate Australian company developing a rival, seaweed-based methane additive, in other words a competitor to Bovaer, not its owner. The story took a genuine fact, Gates funds cattle-methane tech, and welded it to an unrelated product to manufacture a link that does not exist. And the approvals that actually let Bovaer onto farms came from public regulators in three jurisdictions, each running its own review, none of them answerable to an investor in a different firm.
Why it spread, and the lineage it borrows
The panic did real psychological work, which is why it moved so fast. Milk is intimate: a first food, a staple for children, a symbol of the wholesome and the safe. Tell people an unfamiliar chemical has been put into it and you have bypassed argument and gone straight to the protective instinct. The misread safety sheet gave that instinct a prop that felt like hard evidence, the sense of having personally caught the industry out, which is far more satisfying than being told the milk is fine. And the response was tailor-made for social feeds: pouring a bottle down the drain on camera is vivid, quick, and shareable, and a wave of such clips looks like a public verdict rather than a viral mistake.
One strand of the framing deserves to be named for what it is. The “Bill Gates depopulation” overlay did not originate with Bovaer; it is grafted from the older “Great Reset” and “globalist” conspiracy narrative, in which a hidden elite is said to be secretly engineering scarcity, illness, or population control over ordinary people. The Anti-Defamation League has documented how that narrative repeatedly shades into antisemitism, with “globalist” functioning as a coded stand-in and shadowy financiers cast as the hand behind the plot. We report that lineage as what it is, a smear with a long and dangerous history, and we do not endorse it: it is false. Naming it matters because it is often the beam holding the whole structure up, the part that turns a question about cow feed into an accusation against invented enemies.
Where the evidence lands
On the claim as stated, that Bovaer contaminates milk and meat, harms the people who consume them, and is a Bill Gates depopulation plot, the verdict is debunked. The additive is broken down inside the cow and does not reach consumers in the milk or the beef; the EFSA, the UK FSA, and the US FDA independently assessed it as safe; the cancer and infertility claims rest on high-dose animal studies that do not apply to an exposure that effectively does not occur; the hazard label governs industrial handling, not the food; and Gates has no link to Bovaer at all.
None of that requires pretending every concern is silly. Changing what farm animals eat at scale is a legitimate thing to watch; people can reasonably want clear labeling and reasonably ask how the additive performs over years on real farms. Those are the honest open questions, and they are answerable in the open. What fails is the leap from “a new additive is being used” to “therefore the milk is poisoning me by design.” Follow each thread to its source, the chemistry, the label, the investor, and the plot is never there. What is there is a working climate technology, a badly misread document, and a very old story about hidden elites, reaching into the dairy aisle.
What's still unexplained
- How Bovaer performs on commercial farms over years, rather than in trials, is a fair scientific question about real-world efficacy and any effects on animal health, distinct from the false claim that it poisons consumers.
- Whether shoppers should be told when milk comes from herds fed a methane additive is a legitimate labeling-and-choice debate. Wanting that transparency is reasonable; it is not evidence of a cover-up, and the safety verdict does not turn on it.
- Occupational exposure for the workers who handle the concentrated additive is a genuine workplace-safety matter, which is exactly what the handling warnings address, and is unrelated to the safety of the finished dairy on the shelf.
Point by point
The claim: Bovaer ends up in the milk and beef you buy, so eating those products exposes you to it.
What the record shows: The additive is broken down inside the cow's rumen during digestion into compounds the animal already handles naturally; regulators found the active substance is not present in the milk or the meat. The EFSA estimated a consumer's exposure to the relevant breakdown compound (NOPA) through milk from treated animals at least a thousand times below the acceptable daily intake. There is no meaningful dose reaching the shopper to cause harm.
The claim: The safety label warns the stuff is hazardous, which proves the industry knows it is dangerous.
What the record shows: The warnings people screenshot come from the product's safety data sheet, which governs occupational handling of the concentrated additive: workers at plants and, to a lesser extent, farmers measuring out the raw powder are told to avoid inhaling dust and to wear protective equipment. dsm-firmenich says these are standard precautions common to many feed supplements. They describe risks of the concentrated industrial product, not the diluted feed in a cow's ration and certainly not a glass of milk.
The claim: Bovaer causes cancer and infertility, as animal studies show.
What the record shows: The UK FSA assessed Bovaer as non-carcinogenic and non-genotoxic at the recommended dose. A carcinogenicity study noted a signal in female rats, but a follow-up analysis found the rate at the highest dose was not statistically higher than the control group. Reproductive effects on male rat organs appeared only at about 300 mg/kg, roughly a thousand times the acceptable daily intake of 0.3 mg/kg, and in animals dosed directly, not in people drinking milk, whose exposure to the additive is effectively nil.
The claim: Bill Gates is behind Bovaer, which makes it part of his depopulation and climate agenda.
What the record shows: Gates has no connection to Bovaer, to its maker dsm-firmenich, or to Arla. The kernel people distort is that Gates's Breakthrough Energy Ventures led a roughly 12-million-dollar funding round in 2023 for Rumin8, a separate Australian startup developing a rival seaweed-based methane additive. Backing a competitor is not the same as controlling Bovaer, and independent regulators in the EU, UK, and US, not any investor, approved it.
The claim: This is an untested experiment being forced on the public without consent.
What the record shows: Bovaer is authorized in dozens of countries and had been through well over a hundred peer-reviewed studies before the UK trial, plus separate safety reviews by the EFSA, the FSA, and the FDA. The Arla trial was a voluntary commercial program on about 30 farms, not a mandate; no one is compelled to farm with it or to buy the milk of farms that do.
Timeline
- 2010sThe Dutch firm Royal DSM (later dsm-firmenich) develops 3-nitrooxypropanol, or 3-NOP, a compound that inhibits the gut microbes that make cattle belch methane. Years of trials follow, aimed at a feed additive that cuts emissions without harming the animal or its milk.
- 2021-02The European Food Safety Authority (EFSA) issues a positive scientific opinion on Bovaer for dairy cows, concluding the additive is safe for the animals, for consumers, and for the environment at the proposed dose, and that its active substance is not present in the milk or meat.
- 2022The European Commission authorizes Bovaer for use in the EU. The product, one tablespoon-scale dose per cow per day, is marketed by dsm-firmenich and rolls out across dozens of countries; it accumulates well over a hundred peer-reviewed studies.
- 2024-05-28The US Food and Drug Administration completes its multi-year review and clears Bovaer for lactating dairy cattle, distributed in the US by Elanco. Regulators put the typical methane reduction at roughly 30 percent.
- 2024-11-26Arla Foods announces a UK trial of Bovaer across almost 30 of its farms, in partnership with Tesco, Aldi, and Morrisons. Arla cites an average methane cut of about 27 percent.
- 2024-11–12The announcement goes viral for the wrong reasons. Arla's post on X is viewed more than five million times and draws about 13,000 comments by early December; social feeds fill with videos of people pouring away Arla milk and Lurpak butter and calling to boycott the three supermarkets.
- 2024-12False claims crystallize: that Bovaer contaminates milk and beef, causes cancer and infertility, and is a Bill Gates 'depopulation' plot. Posts circulate a screenshot of the product safety data sheet's handling warnings as supposed proof, and conflate the additive with Gates's investment in an unrelated startup.
- 2024-12Fact-checkers including Full Fact, AAP, Science Feedback, and Reuters, alongside the UK Food Standards Agency, dsm-firmenich, and independent scientists via the Science Media Centre, respond that the additive does not pass into milk or meat and that the safety warnings apply to concentrated industrial handling, not to consumers.
- 2025The scare recurs in new forms, including a viral 'cows are dying in Denmark from Bovaer' variant that Euronews and others fact-check as unfounded in late 2025.
False. Bovaer (3-NOP) is a regulator-approved feed additive that cuts cattle methane burps by roughly a third. It is broken down inside the cow and is not present in the milk or meat that reaches shoppers; the EFSA, the UK FSA, and the US FDA each assessed it as safe for consumers. The viral claims that it poisons milk, causes cancer or infertility, or is a Bill Gates depopulation scheme are false, and Gates has no connection to Bovaer or its maker at all.
Reviewed by The Conspiratory Editors · Last reviewed July 24, 2026 · How we rate
Sources
- 1.Is milk from cows fed Bovaer safe?, Full Fact (2024)
- 2.Bill Gates Wrongly Under Fire Over Cow Feed, Newsweek (2024)
- 3.No evidence Bovaer contaminates milk to cause human infertility or cancer, AAP FactCheck (2024)
- 4.Contrary to viral misinformation, cow feed additive Bovaer shows no safety concerns for consumers, Science Feedback (2024)
- 5.Expert reaction to social media posts about cattle feed additive Bovaer, Science Media Centre (2024)
- 6.Bovaer: the new dairy additive prompting boycotts and conspiracy theories, The Week (2024)
- 7.FDA approves Bovaer for use in US dairy cattle, DairyReporter (2024)
- 8.Bill Gates backs start-up tackling cow burps and farts, CNN (2023)
- 9.“The Great Reset” Conspiracy Flourishes Amid Continued Pandemic, Anti-Defamation League (2020)
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