Promising New Findings on Vitamin B3 in Glioblastoma Treatment
Recent research suggests that high doses of vitamin B3, known as niacin, might boost immune response and help manage glioblastoma, an aggressive form of brain cancer. This insight comes from preliminary studies that built on earlier laboratory work with mice, indicating that niacin could extend survival.
Researchers at the University of Calgary conducted trials involving 24 glioblastoma patients, whose typical survival rates range from 12 to 18 months. Remarkably, six months after adding niacin to the standard treatment regimen—which includes surgery, radiation, and chemotherapy—82% of participants showed no signs of disease progression. This is a significant improvement compared to about 54% in historical data.
Moreover, niacin was found to enhance the function of weakened immune cells, improving their ability to target and eliminate tumor cells. These findings were recently published in the Journal of Neuro-Oncology.
Dr. Wee Yong, a key researcher and neuroscientist, emphasized that glioblastoma often suppresses the immune system’s ability to fight cancer. Niacin appears to rejuvenate these immune cells, enabling them to effectively attack cancer.
Looking ahead, the research team plans to recruit 24 additional participants by early 2027 to further test niacin’s safety and its effects on immune activation.
Despite these positive results, the researchers are cautious. Lead author Dr. Gloria Roldan Urgoiti highlighted the aggressive nature of glioblastoma and the necessity for strict safety protocols in such studies. Limitations like the small sample size and lack of a control group were also acknowledged.
Dr. Marc Siegel, a senior medical analyst, noted that while vitamin B3 is still often underrated as an immune booster, its potential is becoming more recognized. However, he also pointed out potential side effects, such as skin flushing, that could arise from high doses of niacin.
Further studies with larger groups of patients are needed to validate these findings. It’s essential for any use of high-dose vitamins to be supervised by healthcare professionals, as they can pose health risks.

