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29Mar/11Off

How much Vitamin D should I be taking daily?


I live in Washington State so I don't get a lot of sunshine. I also have Crohns Disease and have heard that Vitamin D can help with Crohns.


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  1. I would recommend anyone with an illness to take 10,000-50,000iu per day. Have your
    25(OH)D test level – between 60–80 ng/ml (150–200 nmol/L), summer and winter

    Vitamin D3 is not a vitamin at all but a necessary hormone that effects the immune system & nearly every aspect of health. Having low Vitamin D levels greatly increases risk of cancer, heart disease, diabetes, MS & being deficient can create or greatly exacerbate health problems. Many researchers claim that optimized vitamin D levels are more effective than a flu shot in preventing viral infections.

    The prescription vitamin D supplements are the wrong type (ergocalciferol ). As warned by the National Institute of Health -

    http://www.ncbi.nlm.nih.gov/pubmed/17023693

    Luckily you can buy vitamin D3 (cholecalciferol) over the counter and the upper limits are extremely high. Current recommendations from researchers are for 35iu per pound – a 150# person needs minimum of 5250iu per day & the rda is 400iu. This amount is for minimal needs and does not account for depleted stores. March is when stores are at their lowest.

    Vitamin D3 deficiency is becoming an epidemic. U.S. RDA are much too low. It is possible that upper atmosphere pollution is blocking the needed UVB light from the sun.

    I also highly recommend a low carb way of eating to allow the body to regenerate rather than degenerate.

    I have Fibromyalgia -Vitamin D3 supplementation has cleared the constant muscle pain. I did high levels for 3 weeks & was pain free. I knocked the dose down to 2000iu’s a day & a week later the pain was back. After restarting high levels, the pain is managed again after 3 days.

    I personally did 35,000iu per day for 2 months trying to refill my stores. It is highly recommended that you have your vit.D levels tested but my research shows toxicity only at outrageous, long term levels.

    I originally did B12 injections daily for a couple of years & then I tried guaifenesin (Dr.St.Amand’s protocol) for 10 years but discovered vit.D3 supplementation last year & that has worked better than anything else!

    Your vitamin D level should never be below 32 ng/ml, and any levels below 20 ng/ml are considered serious deficiency states, increasing your risk of as many as 16 different cancers and autoimmune diseases like multiple sclerosis and rheumatoid arthritis, just to name a few.

    They found that the body does not reliably begin storing cholecalciferol in fat and muscle tissue until 25(OH)D levels get above 50 ng/ml (125 nmol/L). That is, at levels below 50 ng/ml (125 nmol/L), the body uses up vitamin D as fast as you can make it, or take it, indicating chronic substrate starvation—not a good thing. 25(OH)D levels should be between 50–80 ng/ml (125–200 nmol/L), year-round.

    http://www.vitamindcouncil.org/health/deficiency/am-i-vitamin-d-deficient.shtml

    Vitamin D deficiency may contribute to the wide set of disorders associated with metabolic syndrome (syndrome X), as well as to PCOS. In a study published in 2004, the authors saw a 60% improvement in insulin sensitivity in healthy, vitamin D replete adults

    http://www.womentowomen.com/healthynutrition/vitamind.aspx

    In northern latitudes (above that of Atlanta, Georgia) the sun is at too low an angle for half the year to provide sufficient UV radiation. Most people need to take vitamin D, especially seniors, as the ability to synthesize vitamin D in the skin declines with age.

    With exposure to sunlight in the summer, the body can generate between 10,000 IU and 20,000 IU of vitamin D per hour with no ill effects. In addition, no adverse effects have been seen with supplemental vitamin D intakes up to 10,000 IU daily.

    Always take your vitamin D with a fat-containing meal to ensure absorption.

    http://www.drweil.com/drw/u/QAA400676/More-Vitamin-D.html

    Dr. Joe Prendergast, an endocrinologist /diabetologist has managed over 1500 diabetic patients and, in the last decade, not one of his patients has had a stroke or heart attack. Only one has even been hospitalized! His secret—50,000 units of Vitamin D3 daily. Dr. Joe further reports:

    * Reversal of advanced coronary disease
    * Reversal of advanced lung disease
    * Cure of multiple sclerosis
    * Cure of amotrophic lateral sclerosis
    * Regression of rheumatoid arthritis
    * Improvement in allergies
    * Control of many cancers
    * Reversal of osteoporosis
    * Prevention of influenza
    * Cure of depression & other mental disorders
    * Hashimoto’s hyperthyroidism

    In summary, the evidence for safety and remarkable efficacy of Vitamin D3 suggests that virtually ALL adults should probably take 50,000 units of D3 daily. This is certainly true for those with virtually any illness.

    http://enews.endocrinemetabolic.com/2008/05/vitamin-dthe-cure-for-many-diseases.html

  2. The Institute of Medicine Recommends 400-600 IU per day.

    "Scientific evidence indicates that calcium and vitamin D play key roles in bone health. The current evidence, however, does not support other benefits for vitamin D or calcium intake. More targeted research should continue. Higher levels have not been shown to confer greater benefits, and in fact, they have been linked to other health problems, challenging the concept that ‘more is better’."

    Edit: Since when do you care about scientific backing, Nosey? I notice that you didn’t post any. That report is about 4 months old, not decades.

    http://www.eurekalert.org/pub_releases/2008-05/tes-cvd052308.php

    That is what Mercola cites as his source for recommending children (he says children, ages were 10-17) take ten times the advised IU of Vitamin D per day. One small study. The IOM reviewed over 1000 to make it’s recommendations.

    He doesn’t even cite a source for his adult recommendations, just that "recent research shows."

  3. You should start by getting a 25(0H)|D blood test to determine what your current levels are. The estimate for anyone living north of Atlanta in the winter is around 5,000iu a day. The latest studies are leaning towards a higher limit of 8,000 iu a day.
    Lots of info. at Mercola.com and Natural News.
    RDA values are a poor man’s guesstimate with no scientific backing whatsoever, so those recommendations are decades old and of no value.


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