Vitamin D3 is a controversial supplement when it comes to knowing how much to take. Supplements are available in 400 IU to 5,000 IU amounts and even the experts have conflicting recommendations, adding to the confusion for consumers who wish to supplement. So how do you figure it out? A 2017 published Canadian study specifically looked at the factors which influenced D3 levels based on individual needs.

The more you learn about vitamin D3, the more impressed you should be! D3 is known to help build bones, modify pain and is an important pro-hormone precursor. Since 2009, researchers have also linked low vitamin D3 levels to issues with sleep. Subsequent studies continue to look at vitamin D3 to assess how low, normal and therapeutic levels influence sleep, improve sleep time and quality.

Does your nutritional status affect mortality? Yes, especially for these two nutrients. Scientists based their query on the n the hypothesis that magnesium -- either alone or by its interactions with vitamin D -- influences vitamin D status. Vitamin D has previously been shown to decrease the risk of certain diseases, particularly heart disease and colon Could magnesium affect mortality, too? The scientists looked at U.S. population studies data and came up with a pretty definitive answer for you.