The Claim

Ketogenic diets result in a statistically significant reduction in body weight among adult populations, with a pooled mean difference of -2.59 kg (95% CI: -3.90 to -1.28) as demonstrated across 27 randomized controlled trials.

Source: Impact of the ketogenic diet as a dietary approach on cardiovascular disease risk factors: a meta-analysis of randomized clinical trials.

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
48score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Quantitative
1 study reviewed
In plain English

When adults follow a ketogenic diet, they tend to lose weight - about 2.5 kg on average compared to other diets, according to research combining 27 studies.

See the scientific wording

Ketogenic diets decrease body weight in adults, with a mean difference of -2.59 kg (95% CI: -3.90 to -1.28) based on pooled data from 27 randomized controlled trials

What the research says

1 study
  1. Study: Impact of the ketogenic diet as a dietary approach on cardiovascular disease risk factors: a meta-analysis of randomized clinical trials.

    This study looked at 27 different experiments comparing people on ketogenic diets to people on regular diets, and found that people on ketogenic diets lost about 2.59 kg more on average - exactly what the claim says.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

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