Obesity
Posted by admin on November 27, 2008 under Obesity, Vitamin D | 
5 Comments to Read
| Obesity is associated with vitamin D deficiency. The reason is that the vitamin D is trapped within the fat and cannot easily exit. As a result, obese patients need at least twice as much vitamin D as a normal weighted individual in order to maintain a normal vitamin D status with a 25(OH)D between 30-60 ng/ml.
Wortsman J, Matsuoka LY, Chen TC, Lu Z, Holick MF. Decreased bioavailability of vitamin D in obesity. Am J Clin Nutr 2000;72: 690-693.
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Lindy said,
Example: I am a light skinned MN native who does not sun bathe. I am 30 pounds overweight. May I take as much as 20,000 IU a day (vitamin D) if my tests show I am D deficitiant?
Luigi Imperatori said,
Dear dr. Hollik, are Italian-speaking Swiss and I apologize if I write in English using the Google translator. I am a naturopath obese (116 kg-the right weight should be 75 kg)), which recently has in-depth knowledge on vitamin D and is a week that I take 4000 IU (Dr. Mercola). What amount should I not take the test? For a smoker you need to calculate a higher dose?
Thank you for an email response.
Imperatori Luigi
admin said,
Dear Luigi,
I treat my obese patients with 50,000 IU of vitamin D twice a week for 8-12 weeks and check their blood level of 25-hydroxyvitamin D. I like to achieve a blood level of 25-hydroxyvitamin D between 100- 150 nmol per liter which is equivalent to 40-60 ng/mL.
Guy said,
Dear dr holick,
I was wondering if Vitamin D deficiency actually causes weight gain. I am 23 years old now and about 25 pounds overweight. Until about age 17 I was at a normal and healthy weight but after I graduated highschool I spent alot more time indoors and alot less exercise outside. I have been exercising for about a year now in a gym and have had some progress but not the progress I want. What are your thoughts/comments on my issue.
Thank you for your wonderful research,
Guy
admin said,
Dear Guy,
Vitamin D does not cause weight gain.
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