Decaf Coffee Contains a Horrifying Poison, Experts Say

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Health Concerns Over Decaf Coffee Production

For fans of decaffeinated coffee, recent developments bring some unsettling news. The caffeine-free version of the popular beverage may contain a chemical linked to cancer, according to CNN. This has prompted health and environmental advocates to call for a ban on the substance in decaf coffee production.

Methylene chloride is the chemical at the center of the debate. Coffee roasters use it to extract caffeine from beans. The solvent also appears in various industrial and manufacturing applications. The federal government banned its use as a paint stripper in 2026 and is now weighing broader restrictions for consumer and industrial uses, with only limited exceptions under consideration.

Known Health Risks

Short-term exposure to methylene chloride can damage the central nervous system, research indicates. Longer-term contact has been associated with liver and lung cancers, as well as general liver damage. Despite these findings, the U.S. Food and Drug Administration (FDA) still permits methylene chloride in food production specifically for decaffeinating coffee.

Advocacy Efforts and Regulatory Review

Late last year, a coalition of health advocates—including the Environmental Defense Fund and Breast Cancer Prevention Partners—submitted a petition to the FDA requesting a ban on methylene chloride in decaf coffee processing, CNN reported. The FDA published the petition in January and accepted public comments through March.

Current federal regulations allow methylene chloride as a solvent for removing caffeine, provided residue levels do not exceed 10 parts per million (0.001 percent) in decaffeinated roasted coffee and instant coffee extracts.

Maria Doa, senior director of chemical policy at the Environmental Defense Fund, told CNN that the existing limits are “decades old and clearly outdated.” She noted that while trace amounts in decaf coffee are typically minimal, safer alternatives exist and are already in commercial use, making the chemical’s continued application unnecessary.

Safer Decaffeination Methods

Producers can avoid methylene chloride by using carbon dioxide as a solvent or by employing the Swiss Water Process, which soaks beans in warm water and relies on organic solvents.

Consumer Guidance

While awaiting an FDA decision, Doa advised coffee drinkers who prefer decaf to choose organic beans or products labeled as processed via the Swiss Water Process for a cleaner cup.

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