The Claim

In adult female mice undergoing progressive weighted wheel running, frequent rapamycin administration at a dose of 2 mg/kg three times per week prevents the reduction in adiposity typically induced by exercise when compared to vehicle or intermittent dosing, indicating that consistent mTOR inhibition may interfere with fat loss during high-volume physical activity.

Source: Rapamycin does not compromise physical performance or muscle hypertrophy after PoWeR while intermittent rapamycin alleviates glucose disruptions by frequent rapamycin

What the research says

Supports is higher

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

Supports
9score
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.

How it works
1 study reviewed
In plain English

In female mice that run a lot, taking rapamycin frequently stops them from losing fat — even though exercise usually helps them slim down.

See the scientific wording

In adult female mice undergoing progressive weighted wheel running, frequent rapamycin dosing (2mg/kg three times weekly) prevents the exercise-induced reduction in adiposity seen with vehicle or intermittent dosing, suggesting that frequent mTOR inhibition may interfere with fat loss during high-volume exercise.

What the research says

1 study
  1. Study: Rapamycin does not compromise physical performance or muscle hypertrophy after PoWeR while intermittent rapamycin alleviates glucose disruptions by frequent rapamycin

    The study found that giving rapamycin frequently to exercising mice caused worse metabolic health, which supports the idea that it might block fat loss even if the mice were still getting stronger.

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

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

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