I've just been glancing through this months edition of LifeExtension magazine, and I noticed a caution when taking vitamin D... Individuals consuming more than 2,000IU/day of vitamin D (from diet and supplements) should periodically obtain a serum 25-hydroxy vitamin D measurement. Vitamin D supplementation is not recommended for individuals with high blood calcium levels.

Cheers, Hoppy

Hoppy,

It's always prudent to keep your PCP or neurologist in the loop while taking the anti-inflammatory regimen and to obtain annual lab tests of not only serum 25(OH)D but serum calcium and PTH as well.

Moreover, in the 5+ years this regimen has been discussed and used by over 500 CHers here at CH.com and elsewhere, we've yet to have a single confirmed case of hypercalcemia (higher than normal serum calcium) reported resulting from this regimen.

The warning about taking vitamin D3 with a high serum calcium concentration is axiomatic...  you shouldn't take calcium supplements with this condition either.

The simple fact remains that depending on skin type, the skin of the average adult can generate 10,000 IU of cutaneous vitamin D3 in as little as 10 minutes if exposed to the UV B in midday sun, clad in a bathing suit without sun block. 

That makes a dose of 10,000 IU/day a physiological dose (one that could be obtained naturally without supplementation by walking around in the sun clad like paleo man) and not a supraphysiological or pharmacological dose.

Bottom line... look at articles that down-play the benefits of vitamin D3 or that "urge caution" when taking vitamin D3 carefully.  Look for possible links to Big Pharma or one of their stooges...  The other thing to look for is the preponderance of medical evidence collected since 2000.  The Life Extension Magazine does a great job of painting an objective picture of the benefits of vitamin D3.

Take care,

V/R, Batch

G'day Batch,
Once again, thanq! For your informative reply.

Cheers, Hoppy