FDA Issues Safety Warning to RDM Express Inc.
The San Francisco manufacturer has 15 days to address labeling and safety violations identified by federal inspectors.
Updated on Oct. 26, 2026 in Organic Food

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The Food and Drug Administration has issued a warning letter to San Francisco-based RDM Express Inc. over food safety and labeling concerns. The company produces various refrigerated, ready-to-eat fermented cabbage products and beverages.
Why it matters
The FDA flagged deficiencies in the company's sanitation procedures and food safety plans. These regulatory steps help ensure that manufacturers maintain consistent safety standards for the ready-to-eat products sold to consumers.
The FDA issued this official warning following an inspection of RDM Express Inc. that identified specific deficiencies in food safety plans and sanitation procedures. It is currently unknown how the company plans to address these findings.
The players
Food and Drug Administration
The federal agency responsible for protecting public health by ensuring the safety and labeling accuracy of the nation's food supply.
RDM Express Inc.
A San Francisco-based producer of refrigerated, ready-to-eat fermented cabbage products and beverages.
The details
Inspectors assessed the manufacturer's food safety protocols and sanitation practices related to their line of refrigerated, ready-to-eat fermented items. The agency also identified labeling issues concerning the brand's Russian-style kvas drink, sour cabbage, and half-sour pickles. These controls are critical for preventing contamination in products that are typically consumed without further cooking.
Timeline
October 26, 2026: The warning letter status was reported.
Health Landscape
This action follows the enforcement protocols established under the FDA's Food Safety Modernization Act. The regulatory framework requires manufacturers to maintain rigorous sanitation and product control standards to mitigate the risk of foodborne illness.
If you have recently purchased fermented products from this local manufacturer, monitor your food items for proper storage and look for future company updates. Any specific health concerns regarding food safety should be discussed with your primary care physician.
The takeaway
Regulatory warning letters serve as an essential mechanism for ensuring manufacturers uphold food safety standards. Consumers should stay informed about public health alerts by checking official FDA databases periodically to ensure the safety of pantry staples.
What happens next
RDM Express Inc. has 15 days from the date of the warning letter to provide a formal response to the FDA regarding their plans for correction.
Further reading
For more on industry standards, visit our Organic Food section.
Source note: This article includes information reported by Food Safety News.
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