Some studies describe ketogenic diets as a possible metabolic adjunct during cancer care, with early evidence around quality of life and fatigue. The evidence is mixed and mostly early-stage. This is not a claim that a ketogenic diet treats, prevents, or cures cancer. Discuss any major dietary change with your oncology team.

  • Energy & function: Some studies reported improved perceived energy and physical function during a ketogenic diet.
  • Inflammation markers: Some studies reported lower CRP or TNF-α with longer ketogenic diets.
  • Quality of life: Some studies reported improved emotional functioning and sleep.
  • Blood glucose: Ketogenic diets can lower blood glucose; whether that changes tumor behavior in people is unproven.