It has been well documented that taking megadoses of Vitamin D may be a foolish, unhelpful act. We now are coming to understand that without the addition of calcium, all the extra vitamin D might not be making it into the system at all.
…vitamin D works hard to make sure the body doesn’t lose out on calcium absorption through urinary loss. Even the smallest bones — such as those in the ears — rely on vitamin D’s calcium delivery assist. Can you hear me now? The formation of the entire skeleton was done with vitamin D’s help. D is also essential for homeostasis (physiological stability) of the body’s minerals.
After reading about how not necessary it is to take such large quantities of Vitamin D, I wondered if it were possible to take too much of it — and what would happen if a person were to take too much. I turned to the old reliable standby, the Merck Manual.
Usually, vitamin D toxicity results from taking excessive amounts. Marked hypercalcemia commonly causes symptoms. Diagnosis is typically based on elevated blood levels of 25(OH)D. Treatment consists of stopping vitamin D, restricting dietary Ca, restoring intravascular volume deficits, and, if toxicity is severe, giving corticosteroids or bisphosphonates.
Because synthesis of 1,25(OH)2D (the most active metabolite of vitamin D) is tightly regulated, vitamin D toxicity usually occurs only if excessive doses (prescription or megavitamin) are taken. Vitamin D 1000 μg (40,000 IU)/day produces toxicity within 1 to 4 mo in infants. In adults, taking 1250 μg (50,000 IU)/day for several months can produce toxicity. Vitamin D toxicity can occur iatrogenically when hypoparathyroidism is treated too aggressively…
The main symptoms result from hypercalcemia. Anorexia, nausea, and vomiting can develop, often followed by polyuria, polydipsia, weakness, nervousness, pruritus, and eventually renal failure. Proteinuria, urinary casts, azotemia, and metastatic calcifications (particularly in the kidneys) can develop.
Curious to know how people around the world recommend vitamin D, I checked on a UK government site here and found that they recommended, for those concerned that they were not taking enough vitamin D, 10 micrograms of vitamin D — equivalent to 400 iu.
While perusing articles about vitamin D, I came across a so-called Vitamin D council — the link to which I do not wish to provide for reasons I will soon explain. The council, in its explanation page, claims to exist for the purpose of educating people about the perils of vitamin D deficiency. They offer to let you take a test to see if you are deficient. Spoiler alert — their test will probably tell you that you are deficient. I trust their tests about as well as I trust the people on 42nd street saying that they will test your stress level while getting ready to sign you up for their secret alien coursework.
Clicking through to the sponsors of the web site leads you to the heart of the shillery in the form of a doctor whose e-mails my mother regularly forwards me — Doctor Mercola. On the site, it seems as though they are trying to inform before going right to the sales pitch.
Here at Dr. Mercola’s Natural Health Center (formerly the Optimal Wellness Center) we treat you from the paradigm that wellness is the ability to successfully create and achieve your own goals as defined by the purpose of your life.
We help you move toward complete wellness by helping you discover and understand the hidden causes of your most perplexing health challenges… and create a customized and comprehensive treatment plan for you.
Break out your wallets, friends, because this customized and comprehensive treatment is not going to be cheap. The treatment comes with multi thousand dollar tanning beds, seventy dollar krill pills, and digital thermography. It seems that the only thing driving the want for more vitamin D is the sales of vitamin D related goods, not any actual scientific inquiry leading us to a real need for more of the sunny goodness.