Sep 1, 2010

Posted by in Ask Europaman, Health, Nutrition, Supplementation | 0 Comments

Vitamin D

Ask Europaman Fall 2010


Vitamin D

I hear you Patrick, it’s always something. But that’s what makes our industry so exciting. We’re not content with the old products that give you results; we want to find that ‘latest and greatest’ product that gives you the best results. From the buzz around the industry it looks like Vitamin D is next on the list. Here’s what they’re saying:


What can it do for you?

Well first I’ll start by saying there are two main forms of Vitamin D: D2 (ergocalciferol) and D3 (cholecalciferol). Although both are beneficial, since they’re metabolized differently in our body, the D3 form is the better choice. For what it can do for you beyond its supporting role to calcium in building strong bones, it’s also extremely important in neuromuscular function and reduction in inflammation.


What’s it found in?

If you think you can eat your way to a healthy daily dose of Vitamin D, you’ll have to eat the same things every day, and a lot of them. Unfortunately, good sources of Vitamin D are only found in some fish (salmon, tuna, and mackerel) and milk fortified with Vitamin D (see Table for other good sources). The highest concentrated sources come from natural sunlight and Vitamin D supplements.


How much should you take?

So that 1 glass of milk your mom told you to drink at dinner, try bumping that up to at least 4-10 glasses to meet some of the most recent recommended daily dosages. Recent studies have found that the current recommended dose of 200-400 IU is not optimal. The American Academy of Pediatrics doubled its recommended daily intake to 400 IU a day for all infants and children in 2008, and some studies have shown safe supplementation up to 1,000-2,000 IU a day.


What if you don’t get enough?

Long term deficiency in Vitamin D results in impaired bone mineralization and can lead to thin, brittle or soft bones. Long term deficiency can result in diseases such as rickets (impeded growth at childhood), osteomalacia (bone thinning disorder) or osteoporosis (reduced bone density).


Supplements with Vitamin D

To find specific products we carry that have Vitamin D, you can use our advanced search tool on and search for “Vitamin D”. To narrow down your search even more, I’ve listed the vendors we currently carry that have Vitamin D specific products. With Vitamin D picking up speed in the ‘latest and greatest’ list, I’m sure the list will grow, so make sure you’re getting the latest product releases by signing up for our “What’s In Store” emails. Send an email to to get started.

•High Performance Fitness


•Apex Fitness Group

•Adept Nutrition

•Twin Lab

•Doctor Ben Recommends

Vitamin D Sources

*Ius = International Units. **DV = Daily Value. The DV for vitamin D is 400 IU for adults and children age 4 and older. Food labels, however, are not required to list vitamin D content unless a food has been fortified with this nutrient. Foods providing 20% or more of the DV are considered to be high sources of a nutrient. The U.S. Department of Agriculture’s Nutrient Database Web site, , lists the nutrient content of many foods and provides a list of foods containing vitamin D.


Yours in Good Health,



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American Journal of Clinical Nutrition

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