The International Agency for Research on Cancer (IARC) has classified aspartame as “possibly carcinogenic to humans” indicating that there is limited evidence that aspartame is carcinogenic in humans and experimental animals, and limited evidence that it exhibits the key characteristics of a carcinogen.
This is a companion discussion topic for the original entry at https://www.sciencemediacentre.co.nz/2023/07/18/limited-evidence-for-cancer-risk-from-common-sweetener-aspartame-expert-reaction/