Vitamin D3 Blog

Everything you need to know about Vitamin D3 (cholecalciferol).

Vitamin D3: The Forgotten Hormone

with 3 comments

February 18, 2010

By: Pamela Egan

What is one of the cheapest and easiest interventions in medicine that would save the most lives and the most money? It reduces inflammation in your heart, brain & joints. It stops bone loss and protects you from osteoporosis, diabetes & obesity. It strengthens your immune system and helps retard bacterial and viral infections. It helps prevent several different cancers. It helps cure fibromyalgia, depression, and chronic fatigue syndrome. If you’ve read my past health columns, you know that I am referring to natural, active Vtamin D3, not synthetic D2.

Vitamin D3 (cholecalciferol) is essential for life. You may ask why are Americans so deficient in Vitamin D3? Let’s take a look at evolutionary biology. Our ancestors lived naked in the sun for several million years. Through evolution, sunlight was needed to produce Vitamin D. Then 50,000 years ago, some of us migrated north to places with less sun. Then we put on clothes, started working inside and living in cities where buildings blocked the sun.

We started traveling in cars instead of walking or riding horses and glass blocked even more UVB in the sunlight. Only a few years ago, we started actively avoiding the sun and putting on sun block. All this time we humans have been steadily reducing the tissue levels of the most potent steroid hormone in our bodies, one with powerful anti-cancer properties.

The really significant reductions in sunlight exposure have occurred since the industrial revolution, just the time the “diseases of civilization,” like cardiovascular disease, diabetes and cancer became prominent.

So what can a Vitamin D3 deficiency lead to? At least 17 varieties of cancer including: Breast, Bladder, Colon, Lymphoma, Ovarian, Endometrial, and Prostate. Heart disease, High Blood pressure, Stroke, Autoimmune disease, Multiple Sclerosis, Diabetes Type 1 & 2, Depression, Chronic Pain, Osteoarthritis, Osteoporosis, Muscle Weakness, Obesity, Periodontal Disease, Infectious Disease, & more. Vitamin D3 is a powerful anti-inflammatory and those of us in the Anti-Aging industry that reducing inflammation is half the aging battle won!

The research is astonishing! So how much Vitamin D3 do we need per day?

Ask your primary care provider to check your serum vitamin D3/ 25(OH) level. The optimum range is 80 – 100 ng/ml. No toxicity was seen with D3 levels less than 150 ng/ml.

The optimum dose of Vitamin D3 is 5000 – 15,000IU per day. (I personally take 10,000IU D3 daily to maintain my 25(OH) level between 80 – 100. A weekly dose of 50,000 IU D3 is OK. Fewer supplements are needed if you receive more sun exposure. Maybe they knew something we didn’t know in those nudist colonies.

Pamela Egan, MN, NP, CDE, ABAAHP Diplomat (American Board of Anti-Aging Health Practitioners), is a board certified Adult & Family Nurse Practitioner, Clinical Specialist in Gerontology/Mental Health, & Certified Diabetes Educator. She can be reached at 985-892-3031 or

3 Responses to 'Vitamin D3: The Forgotten Hormone'

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  1. Vitamin D has recently caught quite a bit of attention! We’ve been following studies on Vitamin D for quite some time.

    When did you start taking a lot of vitamin D3 in? How long did it take to notice the benefits? We’ve noted that it is usually 3 months to feel the full benefits of Vitamin D3 suplementation if a person consumes about ,000 IU a day.

    Get Fit Journey

    1 Mar 10 at 2:43 am

  2. I’ve been taking it for at least two years now, and I’ve been supplementing with zinc for longer than that. Since I began taking D3 regularly during the colder months and sunbathing regularly during the warmer months, I haven’t been sick at all — not even so much as a common cold.


    5 Mar 10 at 5:05 am

  3. Vitamins does not cure CFS. CFS is a neuroimmune illness, much like MS and Leukemia in combination. It’s quite insulting to read such claims. If this was true everyone with CFS should know by now and be well from their illness. However, they are not, they are often permanently handicapped, even young (18-25 yr olds)sometimes die from the complications of CFS. A high precentage later end up with lymphoma.


    23 Mar 10 at 2:08 am

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