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Respected Contributor
Posts: 3,842
Registered: ‎04-23-2010

I am taking vitD3 5000 units Costco brand sines 2006 when they discovered my deficiency . It went back to norm immediately, on my 3 month check up my levels were great, around 50. And I noticed my energy level especially winter time went way up.

New Member
Posts: 1
Registered: ‎10-13-2015

I have a Vit. D3 question!  I've been taking 6,000 IU's for almost 7 years after colon cancer. My first reading was 17.  At 2,000 IU's it was 34. We went to 6,000 IU's and doctor checked it 12/12 and never again. 

 

My primary checked it on Tuesday by sending me to the actual lab. My reading was 87.3.  My oncologist checked it (I'd asked earlier that month) on Friday, 3 days later, and it was 105, drawn in his office but sent to the same lab.  Labcorp norms are 30 - 100 ng.

 

What could cause a 17.7 jump when I had stopped my Vit. D3 for four days to get a true reading? 

 

Diane

Honored Contributor
Posts: 14,930
Registered: ‎03-11-2010

My sister is taking 50,000 IU Vit D for 8 days the doctor prescribed. I told her to buy Andrew's D3 but she won't listen. She just told me her doctor told her that her Vit D was pretty much non-existent.