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

The video explains how insufficient vitamin D affects multiple body systems, underscoring relevance as many adults have ...

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

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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.

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 ...

It might help your sleep, too.

Ojeda says he sees the same pattern year after year in lab work and consultations. The problem isn’t just how many hours of sun you get—it’s how your body handles it. “It depends on your age, your ...