Vitamin D boosts breast cancer treatment success by 79%

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April 28, 2026, 5:03 AM

• •A study at the Botucatu School of Medicine suggests vitamin D can improve chemotherapy outcomes for breast cancer patients.
• •Participants taking vitamin D had a higher rate of cancer disappearance compared to the placebo group.
• •Vitamin D is a more accessible and inexpensive option compared to certain drugs used to enhance chemotherapy response.
• •The study recommends further research with larger groups to confirm the results.

A study in Brazil found that a daily vitamin D supplement improved chemotherapy outcomes in women with breast cancer. The research, involving 80 women, revealed a significantly higher rate of cancer disappearance in the vitamin D group compared to the placebo group after six months of treatment. Researchers suggest that vitamin D, an accessible and inexpensive option, may enhance chemotherapy response, potentially making it a more accessible alternative to some expensive drugs. While the findings are promising, researchers emphasize the need for larger studies to confirm these results and further investigate vitamin D's influence on chemotherapy response.

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