Body weight

Added sugar

Higher free-sugar intake can contribute to weight gain through higher energy intake.

moderate evidence

Direction: increase

Magnitude: unknown

Human evidence reviewed

Study context

Population: Adults and children

Studied dose: Varies or not established

Duration: Varies across reviewed studies

Last reviewed: 2026-09-16

Limitations & caveats

  • A single product cannot predict weight change.

Sources

Guideline: sugars intake for adults and childrenExpert or government fact sheet · World Health Organization · supportsOpen ↗

Source type and claim strength are separate. A fact sheet summarizes underlying research; its link is not an individual clinical trial.