• sweetener
aspartame
The most-feared sweetener, largely exonerated by human data: its two biggest fears — cancer and raising blood sugar — are not supported at normal intakes. The one genuine caveat is phenylketonuria.
2 well-supported · 3 disputed. This shows how settled each sub-question is, not whether aspartame is "good." Direction lives in each claim below.
The 5 claims about aspartame
Each keeps its own verdict — we never average them away.
aspartame does not raise blood glucose
Strong support
aspartame worsens phenylalanine control in phenylketonuria
Strong support
aspartame alters gut microbiome
Leans against
aspartame increases cancer risk
Leans against
aspartame causes headache
Refuted
Educational only, not medical advice. Hub descriptions are curated for honesty; see the methodology.