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the claim

Consuming olive oil causes weight gain.

the verdict
REFUTED
the evidence says no
Recorded sources
0 sources for · 1 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that consuming olive oil causes weight gain?

No. A large 2025 pooled analysis of three United States prospective cohorts found that each daily 7 g increment in olive oil consumption was inversely associated with body weight, with substitution of olive oil for other fats linked to less weight gain. A randomized trial in preterm infants also found olive oil supplementation increased weight gain, but in a different population.

Verdict: REFUTED · 0 sources for, 1 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence against · 1
Changes in olive oil consumption and long-term body weight changes in 3 United States prospective cohort studies
2025
Get citation
Guasch-Ferré, M., Pacheco, L. S., Tessier, A., Li, Y., Willett, W. C., Sun, Q., Salas-Salvadó, J., Martínez-González, M. A., Stampfer, M., & Hu, F. B. (2025). Changes in olive oil consumption and long-term body weight changes in 3 United States prospective cohort studies. doi.org. https://doi.org/10.1016/j.ajcnut.2025.02.012

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