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Information on the latest vitamin D news and research.

Find out more information on deficiency, supplementation, sun exposure, and how vitamin D relates to your health.

Vitamin D and calcium supplementation administered together and separately improve inflammatory markers

New exploratory research shows that the co-administration of vitamin D and calcium, as well as separate administration, improves biomarkers of inflammation.

Systemic inflammation has been linked to the development of insulin resistance, beta cell dysfunction, and type 2 diabetes. In addition, increased inflammation is common among those with type 2 diabetes and is associated with diabetic complications.

Both vitamin D and calcium intake are associated with inflammatory biomarkers and some studies show vitamin D supplementation reduces various markers of inflammation in diabetic patients.

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  About: Will Hunter

Will is the Program Associate of the Vitamin D council and works on website administration, content production and editing, and fundraising. He is passionate about nutrition, exercise, and technology and how they relate to health and longevity.

5 Responses to Vitamin D and calcium supplementation administered together and separately improve inflammatory markers

  1. dbarra says:

    What type of vitamin D was used in this study and for how many weeks?


  2. This study is the 4th RCT proof that Vitamin D treats diabetes.
    Details on the study along with suggestions of how they could have had much better results

    Proof that vitamin D works on 49 different health problems is at

    (Daibetes is only counted once)

  3. Tom Weishaar says:

    Another interpretation would be that when dietary calcium is high enough not to require vitamin D to increase absorption, the vitamin D that’s not needed in the calcium context adds to the vitamin D available in the inflammation context.

  4. Will Hunter says:


    They used cholecalciferol, vitamin D3, for eight weeks.

  5. Will Hunter says:


    That is a great point. It would be interesting to see an analysis on the relationship between calcium levels and each of the inflammatory markers.