Diet Soda and Aspartame-Sweetened Beverages (IARC 2B, WHO 2023) — food safety profile
High riskOn July 14, 2023, the WHO's cancer research arm classified aspartame as a possible human carcinogen (Group 2B).
What is this product?
On July 14, 2023, the WHO's cancer research arm classified aspartame as a possible human carcinogen (Group 2B). On the same day, the UN body that determines safe intake levels said the safe intake was unchanged.
What's in it
Click any compound name for its full safety profile, regulatory consensus, and exposure data.
Base ingredients
Who's most at risk
- Pregnant Women — Fetal exposure via placental transfer; developing endocrine systems of fetus
- Children — Higher food-to-body-weight ratio, developing organ systems
How to use it more safely
- Limit consumption to occasional use rather than daily intake
- Keep intake well below 40 mg/kg body weight daily limit
- Monitor total aspartame from all sources including diet foods
- Individuals without phenylketonuria (PKU) have lower risk
Red flags — when to walk away
- Identified safety concern — Aspartame classified IARC Group 2B (possibly carcinogenic) July 2023.
Green flags — what to look for
- Third-party tested for contaminants — Independent lab verification of safety claims
Safer alternatives
- Water with natural flavor (lemon, cucumber) — Zero additives, no known safety concerns, optimal hydration
- Unsweetened tea or coffee — Natural beverages with antioxidants; no artificial sweeteners
- Stevia or monk fruit-sweetened drinks — Plant-based sweeteners with better safety profiles than aspartame
Frequently asked questions
What's in Diet Soda and Aspartame-Sweetened Beverages (IARC 2B, WHO 2023)?
This product type can contain: Aspartame, β-HCH (beta-hexachlorocyclohexane), Saccharin (Sweet'N Low, Sweet Twin), among others. Click any compound name above for the full safety profile.
Who should be careful with Diet Soda and Aspartame-Sweetened Beverages (IARC 2B, WHO 2023)?
Vulnerable populations identified for this product type: pregnant women, children.
How can I use Diet Soda and Aspartame-Sweetened Beverages (IARC 2B, WHO 2023) more safely?
Limit consumption to occasional use rather than daily intake; Keep intake well below 40 mg/kg body weight daily limit; Monitor total aspartame from all sources including diet foods
Are there safer alternatives to Diet Soda and Aspartame-Sweetened Beverages (IARC 2B, WHO 2023)?
Yes — consider: Water with natural flavor (lemon, cucumber); Unsweetened tea or coffee; Stevia or monk fruit-sweetened drinks. See the Safer alternatives section above for details.
Look up Diet Soda and Aspartame-Sweetened Beverages (IARC 2B, WHO 2023) in the food app
Search by ingredient, browse by category, or compare to alternatives in the live app.
Open in food View raw API dataReference data, not professional advice. Aggregates publicly available regulatory and scientific information. Why we built ALETHEIA →