NAD+ Supplements Fuel Cancer Growth?

Americans are spending millions annually on anti-aging supplements, with vitamin B3 derivatives like NMN and NR being particularly popular for boosting NAD+ levels. These molecules are believed to support cellular health and metabolism. However, a recent study from Case Western Reserve University School of Medicine suggests a concerning interaction with cancer treatment.

The research indicates that in cancer patients, these supplements might inadvertently fuel cancer cells. Instead of solely benefiting healthy cells, the NAD+ appears to be 'hijacked' by malignant cells. This process strengthens tumors and aids them in resisting chemotherapy.

Published in Cancer Letters, the study found that NMN specifically protected pancreatic cancer cells from common chemotherapy drugs. Researchers observed that the supplements boosted cancer cell energy, reduced oxidative stress within tumors, and suppressed DNA damage, thereby blocking chemotherapy's effectiveness.

Experts emphasize that these findings do not suggest danger for healthy individuals. However, for active cancer patients, particularly those undergoing chemotherapy, the risks are deemed serious and warrant immediate attention. Pancreatic cancer, which has seen a surge in younger Americans, presents significant treatment challenges, and these supplements could exacerbate them.

The study authors are calling for increased screening of supplement use among cancer patients and further investigation into NAD+ supplement interactions with cancer treatments. They urge cancer patients to consult their doctors about potential risks associated with these widely available over-the-counter products.