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Is cell function linked to vitamin D status?

Posted on: April 20, 2013   by  John Cannell, MD


Mitochondria are your power plants. They generate adenosine triphosphate or ATP. ATP is often called the “molecular unit of currency of intracellular energy.” If you have fatigue, or are easily fatigued, it may be that your mitochondria are not making enough ATP.

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4 Responses to Is cell function linked to vitamin D status?

  1. Rita and Misty

    Yes, the dose used in the above study is a great step in the right direction!

    I contemplate the day that a study will use 25(OH)D level rather than dose, and aim for 50 ng/ml (or higher)…imagine the wonderful treatment effects we’ll see then….

    Progress is so extraordinarily slow, but at least we are moving in the right direction.

  2. [email protected]

    I was waiting for this study to come along. When I started supplementing in 2010, what I noticed after 3 months was my improved energy level. Fatigue had been a big problem for me, especially during the after lunch period. That simply disappeared as a problem after these 3 months. I remember it well. It was during the month of March and I hadn’t been tired after lunch for a few weeks. I found that surprising and wondered what that was all about. Then it donned on me that the only thing I had been doing differently was taking 4000IU of D3 since January. I knew it was the vitamin D I was taking. Up to then, I wasn’t really sold on its benefits. I hadn’t done much research and was just thinking it might help. From that moment on, I was sold and I’ve never looked back. Now I keep my blood levels up around 65 ng/ml testing twice a year. I take 5000IU in summer and 7000IU in winter to maintain that level. And the fatigue is completely gone.

  3. Rita and Misty

    @[email protected]

    I found the attached article in Science News. And, I thought that it may hold interest for you. Hope you enjoy it!

    Significant Link Found Between Daytime Sleepiness and Vitamin D


  4. Ron Carmichael

    From the study’s text: “This finding suggests that changes in mitochondrial oxidative phosphorylation in skeletal muscle could at least be partly responsible for the fatigue experienced by these patients. For the first time, we demonstrate a link between vitamin D and the mitochondria in human skeletal muscle.”

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