Many people take high doses of vitamin D without seeing any change in their blood work.

Getting the right vitamins and minerals through diet or supplementation can help support bone strength, heart health, energy ...

Adults and children over four years old should take 10 micrograms (400IU) of vitamin D per day during the autumn and winter.

Excessive and unsupervised use of vitamin and mineral supplements can mask real deficiencies, delay diagnosis and even cause ...

K2 helps calcium stay in the bones and out of the blood vessels. It also has nothing to do with vitamin D absorption.

The NIH Office of Dietary Supplements published a fact sheet in March 2025 reviewing the evidence behind vitamins C, D, and A ...

Presenter Louise Minchin asked about the benefits of cod liver oil, and the doctor replied that these "popular" fish oils do ...

The doctor shared a message for people taking supplements like vitamin D, collagen, multivitamins and cod liver oil ...

Taking both a multivitamin and vitamin D can help support nutrient needs, but it's important to keep your total vitamin D intake within safe limits.