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Most accurate method for mineral and vitamins deficity testing?

Answered on September 26, 2014
Created September 22, 2014 at 10:25 AM

Is serum blood test reliable for testing minerals and vitamins deficity? I did hair analyze and serum blood test. Serum blood test showed opposite picture than hair analyze. I am not sure how should I test selenium. I am taking 200mcg of selenium per day but I read that it can make risk for cancer if you have it too much. Is there any other better method?

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2 Answers

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13c5a9f1678d75b93f269cdcf69f14d5

(2339)

on September 26, 2014
at 02:20 AM

I thought iodine deficiency was relatively common, particularly if you avoid iodized salt.   This shows 15% in reproductive aged US women     http://www.ncbi.nlm.nih.gov/pubmed/18053275   Here's international info and an overview   http://emedicine.medscape.com/article/122714-overview

Selenium deficiency is relatively rare except in China where the soils are low. Selenium testing seems to be a bit unsettled, science wise    http://www.ncbi.nlm.nih.gov/pubmed/19420095

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32f5749fa6cf7adbeb0b0b031ba82b46

(41747)

on September 22, 2014
at 01:36 PM

Why are you taking selenium? Is your diet short? Why not strive to add selenium-rich foods to your diet? Only 15% of folks miss the mark on selenium, and it's one of the narrowest doses between minimum and maximum (selnium, although essential, is toxic in higher doses.) 

5c6c6bb2bf7021e15222d9deaf341afc

(0)

on September 22, 2014
at 02:12 PM

Because I am taking high doses of iodine and it is recommended to take selenium together. Taking iodine while being selenium deficient can be dangerous. I made idoine loading test and was 54% excretion (should be 90%+).

32f5749fa6cf7adbeb0b0b031ba82b46

(41747)

on September 22, 2014
at 02:28 PM

 Googling suggests iodine clearance test reference values are 40-60% clearance in 24 hours. Iodine deficency is also exceedingly rare. Do some additional homework, and recheck with your doctor. 

5c6c6bb2bf7021e15222d9deaf341afc

(0)

on September 22, 2014
at 03:21 PM

Thank you but I am not sure where you saw 40-60%. All reliable sources I googled says 90%, some of them 80%. I am talking about Iodine 50mg loading test. Also on laboratory paper I received is wrote that suffency is achived when at least 90%.

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