Vitamin C Administration by Intravenous Infusion Increases Tumor Ascorbate Content in Patients With Colon Cancer: A Clinical Intervention Study
This 2021 clinical intervention study assessed the effects of high-dose intravenous vitamin C on tumor ascorbate levels in patients with colon cancer. Participants received up to 1 g/kg/day of ascorbate for four days before tumor resection. The intervention significantly increased ascorbate concentrations in plasma, erythrocytes, and tumor tissues, with tumor
June 26, 2025
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