Vitamins and minerals

Magnesium supplements may prevent colon cancer by boosting specific gut bacteria

Magnesium, the microbiome, and reducing the risk of colon cancer

A new clinical trial suggests magnesium supplements may boost gut bacteria that help block the development of colon cancer – but only for some people, depending on their genes and sex.

Niacinamide is a form of vitamin B3 found in food and as a dietary supplement

Cancer

Daily vitamin B3 dose slashes skin cancer risk by up to 54%

An inexpensive, over-the-counter form of vitamin B3 cut new skin cancers by an average of 14% in a study of more than 33,000 people. Among those who began taking a daily dose after a first diagnosis, the risk of a repeat skin cancer fell by up to 54%.

Higher vitamin D levels during pregnancy meant better learning later

Brain Health

Vitamin D levels during pregnancy impact children’s later learning

Higher vitamin D in pregnancy could mean sharper minds for kids years later. A large US study found early pregnancy may be the key window for boosting brain development, especially in children of Black mothers.