Rung 2 · Limited
Fasting-mimicking diet around chemotherapy
Didn't reduce side effects; better tumor response only in those who stuck to it.
TreatmentWith your doctor
What studies found
In the DIRECT trial (131 women, early HER2-negative breast cancer), a four-day low-calorie diet around chemotherapy did not lower severe side effects. Strong tumor responses were more likely among those who followed it.
The catch
The adherence-based finding needs confirmation. Unsafe for underweight or malnourished patients.
What to do
Only under your oncologist's supervision.
Sources
Rung 2 of 5, Limited: Few, small or conflicting human studies, or only indirect measures such as blood markers. How we score
To take it to your doctor, print this page.
Step by step
For the whole picture, from prevention and screening to treatment and life after, see the breast cancer page.
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