Cancer
Vitamin C did not slow growth of mutated blood-cell groups
Median growth of mutated blood-cell groups was 0.016 per year lower with vitamin C than placebo, but the results were consistent with no difference.Median growth of mutated blood-cell groups was 0.016 per year lower with vitamin C than placebo, but the results were consistent with no difference.

Randomized trialVitamin C
Who was studiedAdults with CCUS or lower-risk myeloid malignancies, 12 months, against placebo
What changedGrowth of mutated blood-cell groups did not differ: 3.03% per year with vitamin C versus 4.6% with placebo
The catchOnly 109 patients were enrolled, limiting power to detect modest differences in clonal growth