Health

Vitamin C Trial Shows Reduced Deaths in Blood Disorder Patients

Liam O'Brien
By Liam O'Brien
Oct 6, 2026 • 1 min read
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In brief

A phase 2 trial involving 109 participants in Denmark and the United States showed that daily vitamin C supplementation was associated with fewer deaths and complications in patients with precancerous or low-risk blood cancers. The study revealed a reduction in anemia, pneumonia, and internal bleeding, although gastrointestinal issues were noted. Further research is needed to confirm these findings in a larger trial.

Vitamin C Trial Shows Reduced Deaths in Blood Disorder Patients
Denmark, USASource: Ahimsa.tv

A recent phase 2 clinical trial has shown that daily vitamin C supplementation may lead to fewer deaths and complications in patients with precancerous or low-risk blood cancers. Conducted with 109 participants across Denmark and the United States, the EVITA trial examined the effects of vitamin C on individuals at risk of developing blood cancers. The results, published in the journal CANCER, revealed that while the supplement did not slow the growth of abnormal cells, it was linked to favorable changes in inflammation and a significant reduction in cases of anemia, pneumonia, and internal bleeding. Notably, fewer participants in the vitamin C group died during the follow-up period compared to those receiving a placebo, indicating a potential survival benefit from the supplement.

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Liam O'Brien
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Liam O'Brien
Environment Writer

Liam covers climate solutions and the people helping the planet heal.

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