Trump tariffs put a basic food ingredient in the crosshairs. An unlikely critic objects

Donald Trump’s tariff regime has drawn an unusual opponent: one of the largest Orthodox Jewish organisations in the US, which says proposed duties on vegetable-based fatty acids could disrupt the supply of basic ingredients used in kosher foods, according to a report by Bloomberg.

The Orthodox Union, which describes itself as the world’s largest kosher certification agency, raised its concerns in a letter to Commerce Secretary Howard Lutnick. It warned that tariffs on fatty acids derived from palm and other vegetable oils could increase costs for kosher food without necessarily encouraging meaningful domestic production.

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The ingredients are used in everyday products including margarine, mayonnaise and other processed foods, making the dispute an example of how Trump’s tariff policies are reaching into unexpected corners of the US food supply.

Why the tariff could create a kosher food problem

The Commerce Department is investigating whether vegetable-based fatty acids imported from Indonesia and Malaysia are unfairly burdening US producers.

A preliminary determination found that at least some tariffs were warranted. The agency has proposed a countervailing duty of about 16.5% on vegetable-based fatty acids from Indonesia, while most products originating in Malaysia would face a duty of at least 4%.

Final tariff rates are expected by the end of the year.

The Orthodox Union argues that higher duties could push up costs for kosher products because alternative fatty acids derived from animals are generally not considered kosher. That could leave food manufacturers with fewer practical substitutes if imported vegetable-based ingredients become more expensive.

Rabbi Moshe Elefant, chief executive officer of OU Kosher, told Bloomberg that the issue was particularly significant because the ingredients are fundamental to many foods.

“To me, the big deal here, is that we’re speaking about a fundamental, basic food ingredient,” Elefant was quoted as saying. “It’s not like saying, ‘don’t eat something fancy if you can’t afford it.’”

“This is something that’s found in everything,” he said.

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Tariffs collide with America’s cost-of-living worries

The intervention comes as the Trump administration faces broader political pressure over the cost of living, with inflation and household expenses remaining concerns for voters ahead of the midterm elections.

Seventy-one percent of registered voters disapproved of Trump’s handling of the cost of living in an August 31 Reuters/Ipsos poll, according to the report.

The dispute over vegetable-based fatty acids illustrates the wider challenge facing the administration as it reshapes US trade policy: tariffs intended to protect domestic industries can also raise costs or complicate supply chains for businesses and consumers that depend on imported inputs.

For the Orthodox Union, the concern is less about an obscure trade commodity than what could happen when a tariff lands on an ingredient that quietly makes its way into everyday food.