EFSA's Sept 10, 2026 re-evaluation found no safety concern for the aspartame-acesulfame salt (E 962) and kept both ADIs. What it means on US labels.
9/13/2026 · 6 min read · Chris Carrillo · Reviewed by Armin Rad, Co-Founder & CTO, Aurascan · Last reviewed 9/13/2026
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Written by Chris Carrillo. Reviewed by Armin Rad, Co-Founder & CTO, Aurascan. It cites 4 sources; use the source list and methodology to check the evidence directly.
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View the sample resultPARMA, Italy - On September 10, 2026, the European Food Safety Authority (EFSA) published its re-evaluation of aspartame-acesulfame salt (E 962), confirming it poses no safety concerns. As of September 13, 2026, EFSA maintained aspartame's Acceptable Daily Intake at 40 mg/kg body weight/day, while the FDA retains its 50 mg/kg limit.
On September 10, 2026, EFSA published its final scientific opinion re-evaluating the salt of aspartame-acesulfame (food additive code E 962) in the EFSA Journal (doi: 10.2903/j.efsa.2026.10259). The scientific panel formally adopted the opinion in July 2026, following a thorough assessment of dietary exposure, toxicological data, and manufacturing specifications under the European Union's ongoing additive re-evaluation mandate. Full historical context on European sweetener assessments is detailed on the official EFSA topic page on aspartame.
The review addressed whether the combined salt presents distinct risks compared to its constituent sweeteners. EFSA concluded that E 962 presents no safety concern at the reported uses and use levels. The panel reconfirmed the standalone ADI for aspartame at 40 mg per kg of body weight per day and applied the revised ADI for acesulfame K of 15 mg per kg of body weight per day, determining that combined real-world intake remains well beneath these thresholds for children, adolescents, and adults.
Fresca
Fresca Grapefruit Citrus Sparkling Soda Water
Standout ingredient: Acesulfame Potassium
While the baseline safety determination reconfirms existing market use, the scientific panel outlined specific technical updates for regulatory consideration. EFSA recommended that the European Commission update the EU purity specifications for E 962 to harmonize fully with the standalone specifications for aspartame and acesulfame K.
Specifically, the panel advised reviewing the heavy metal limits in the aspartame (E 951) specifications, with an emphasis on reviewing the maximum limits for lead and arsenic. This technical refinement ensures that raw material purity matches current risk assessment baselines without altering the consumer-facing approved status of the sweetener compound.
This re-evaluation follows similar systematic safety checks across the European food supply, such as when sucralose was re-evaluated by EFSA in 2026, reinforcing the agency's structured cycle of additive monitoring.
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The panel's findings cover consumers across all age groups who purchase sugar-free or reduced-calorie packaged goods, including carbonated beverages, table-top sweeteners, chewing gum, flavored dairy, desserts, and low-calorie confectionery. Exposure modeling demonstrated that even high-level consumers across pediatric and adult cohorts do not exceed the combined intake boundaries.
People diagnosed with phenylketonuria (PKU), a rare genetic metabolic disorder, represent the critical sensitive subpopulation. Because the salt dissolves readily upon consumption into its base parts, releasing phenylalanine, products containing E 962 or standalone aspartame must continue to carry explicit warning notices on the packaging.
Food and beverage manufacturers formulating zero-sugar items in the European Union are affected primarily by the pending technical specification updates, which may require ingredient suppliers to verify tighter heavy metal thresholds during procurement.
For everyday shoppers reading packaged-food labels, the practical guidance remains clear and consistent. The salt of aspartame-acesulfame is a specialized chemical compound made of two parts aspartame to one part acesulfame. Manufacturers use this blend because the two sweeteners create a synergistic sweetness profile that masks lingering aftertastes while reducing the total quantity of sweetener required.
Labeling practices differ significantly between international retail markets:
Shoppers looking for a deeper dive into either individual ingredient can explore our complete aspartame ingredient review alongside our comprehensive guide to acesulfame potassium to see how each performs alone. Monitoring overall additive intake allows consumers to view these ingredient declarations as two familiar high-intensity sweeteners working in tandem rather than an unstudied novel chemical.
Aspartame has been one of the most thoroughly scrutinized food ingredients in global commerce since its initial regulatory approvals in the late 20th century. Upon ingestion, digestive enzymes rapidly break down aspartame in the upper gastrointestinal tract into three basic components: the amino acids phenylalanine and aspartic acid, alongside trace amounts of methanol. Because these constituents occur naturally in common dietary proteins and fruits, standard regulatory reviews have long considered typical exposure manageable for healthy metabolic pathways.
In July 2023, the World Health Organization summarized global health findings in the WHO aspartame hazard and risk assessment release, combining conclusions from the International Agency for Research on Cancer (IARC) and the Joint FAO/WHO Expert Committee on Food Additives (JECFA). While IARC categorized aspartame as "possibly carcinogenic to humans" (Group 2B) citing limited observational data, JECFA reaffirmed that the established ADI of 0 to 40 mg/kg body weight per day is safe and protective. The FDA formally reiterated its agreement with JECFA, maintaining its 50 mg/kg body weight daily limit.
Dietary monitoring remains an active priority across international agencies, much like EFSA's additive monitoring report on tartrazine exposure, ensuring historical safety standards match modern dietary patterns.
Following the publication of the September 10, 2026 scientific opinion, the European Commission and member state delegates will consider whether to amend the technical annexes of Regulation (EU) No 231/2012. These discussions will determine the official timeline for updating E 962 manufacturing specifications and reviewing heavy metal limits for standalone aspartame.
Evidence limitations remain an inherent part of population-level safety evaluations. While large-scale toxicological reviews affirm current safety margins, observational studies cannot fully isolate individual microbiome variations or lifetime cumulative exposures across complex multi-sweetener diets. Regulators continue to evaluate new mechanistic studies as analytical methodologies advance.
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Scan it yourself. Get the Aurascan appIt is an engineered sweetener compound combining aspartame and acesulfame in an approximate 2:1 ratio. In the body, it rapidly separates into standard aspartame and acesulfame potassium, offering high sweetness intensity with reduced aftertaste.
EFSA concluded that E 962 is safe at current exposure levels and reconfirmed the Acceptable Daily Intake (ADI) of 40 mg per kg of body weight per day for aspartame, finding no consumer safety concerns across any age group.
In the European Union, the sweetener can be listed as E 962 or 'salt of aspartame-acesulfame'. In the United States, manufacturers generally list the two sweeteners individually as 'aspartame' and 'acesulfame potassium'.
Aspartame breaks down into phenylalanine during digestion. People born with the rare genetic condition phenylketonuria (PKU) cannot properly metabolize phenylalanine, making clear warning labels essential to prevent toxic accumulation.
No. EFSA reconfirmed the existing Acceptable Daily Intake of 40 mg per kg of body weight per day, finding that typical and high dietary exposures remain well within safe limits.
The FDA maintains an Acceptable Daily Intake (ADI) of 50 mg per kilogram of body weight per day, concluding that the sweetener remains safe under approved conditions of use.
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