FDA questions safety of Impossible Burger’s veggie patties made with genetically engineered yeast

impossible
A plant-based Impossible burger

One of the chief selling points of the Impossible Burger, a much ballyhooed plant-based burger patty, is its resemblance to meat, right down to the taste and beeflike “blood.”

Those qualities, from an ingredient produced by a genetically engineered yeast, have made the burger a darling among high-end restaurants like Momofuku Nishi in New York and Jardinière in San Francisco, and have attracted more than $250 million in investment for the company behind it, Impossible Foods.

Now, its secret sauce — soy leghemoglobin, a substance found in nature in the roots of soybean plants that the company makes in its laboratory — has raised regulatory questions.

Impossible Foods wants the Food and Drug Administration to confirm that the ingredient is safe to eat. But the agency has expressed concern that it has never been consumed by humans and may be an allergen, according to documents obtained under a Freedom of Information request by the ETC Group as well as other environmental and consumer organizations

…

Impossible Foods is finding out what happens when a fast-moving venture capital business runs headlong into the staid world of government regulation.

The GLP aggregated and excerpted this article to reflect the diversity of news, opinion and analysis. Read full, original post: Impossible Burger’s ‘Secret Sauce’ Highlights Challenges of Food Tech

Related Articles

Infographic: Global regulatory and health research agencies on whether glyphosate causes cancer

Infographic: Global regulatory and health research agencies on whether glyphosate causes cancer

Does glyphosate—the world's most heavily-used herbicide—pose serious harm to humans? Is it carcinogenic? Those issues are of both legal and ...

Most Popular

ChatGPT-Image-Mar-10-2026-01_39_01-PM
Viewpoint—“Miracle molecule” debunked: Why acemannan supplements don’t work
Screenshot-2026-09-17-at-1.07.08-PM
'We are dangerously addicted to antidepressants': Should we heed RFK Jr.’s sobering warning?
Screenshot-2026-09-24-at-3.25.18-PM
No, organic eggs are not more nutritious or necessarily healthier than regular eggs. They are far more expensive.
Screenshot-2026-09-28-at-2.41.21-PM
Viewpoint: 7-OH controversy: An opioid is available over-the-counter–even at gas stations. Should we be concerned?
ChatGPT-Image-Sep-2-2026-02_03_32-PM
How much of a problem is AI’s water use?
ChatGPT-Image-Sep-25-2026-11_36_56-AM
Now AI almost started a war with China
ChatGPT-Image-Sep-25-2026-10_36_43-AM
New federal autism committee head has financial ties to leucovorin
ChatGPT-Image-Sep-22-2026-11_17_31-AM
The exploding controversy over AI’s built-in survival drive
ChatGPT-Image-Sep-25-2026-11_57_15-AM
RFK, Jr. likely violated federal ethics guidelines in accepting more than $4,275,000 in gifts and book advances from MAHA allies
Woman_Vaping_Electronic_Cigarette_50687233623
Trump administration clears the way for speedy approvals of once-restricted tobacco vapes and pouches
Screenshot-2026-09-16-at-10.27.33-AM
Viewpoint: SCOTUS poised to address First Amendment tension between mandatory vaccines, children’s health and religious freedom 
ChatGPT-Image-Sep-27-2026-10_00_17-AM
Current and future RFK Jr. aides criticize his science-rejectionist vaccine views
glp menu logo outlined

Get news on human & agricultural genetics and biotechnology delivered to your inbox.