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Take a full serving of EVEREST Earth & Sea Formula - and you receive 2000 IU daily plus 400 IU from Okinawa Coral Calcium - and our Vitamin D3 format is so absorbable you can safely figure absorption at twice the rate of Vitamin D supplements from most companies.  Natural Biology recommended 2000 IU back in 2002 when the government warned consumers anything more than 400 IU was dangerous.   Many holistic physicians recommend 5000 to 10,000 IU daily to people over age 50.   Says Steve Bruner at Natural Biology "I think it is particularly important to increase Vitamin D levels from late Fall until Spring.   There is increasing evidence that the decline in sunlight contributes to lower Vitamin D levels thus increased colds, flus, etc.   I started this five years ago and I have not had a cold or the flu since starting it."

The nation’s top scientific advisory panel recommended that adults modestly increase their intake of vitamin D, known as the “sunshine vitamin,” from a daily dose of 200 international units (IU) to 600 IU. The panel also extended the safe upper limit for adults from 2,000 IU to 4,000 IU daily.

The Institute of Medicine (IOM) report was released November 30 in Washington, DC, after two years of study and debate. The IOM had not changed its dietary guidelines for vitamin D since 1997.

For vitamin D, the IOM recommended:

• Everyone ages 1 to 70 should take 600 IU daily.
• Adults older than 70 should take 800 IU daily to optimize bone health.
• The safe upper limit for infants up to six months is 1,000 IU daily.
• The safe upper limit for infants six to 12 months is 1,500 IU daily.
• The safe upper limit for children 1 to 3 years old is 2,500 IU daily.
• The safe upper limit for children 4 to 8 years old is 3,000 IU daily.
• The safe upper limit for everyone older than 8 is 4,000 IU daily.

News headlines varied greatly on their interpretations of the report. The New York Times carried on its front page an article headlined “Extra Vitamin D and Calcium Aren’t Necessary, Report Says.” The same day’s Wall Street Journal headline read “Triple That Vitamin D Intake, Panel Prescribes.”

“The good news is that the IOM recognized that the amount of vitamin D recommended in 1997 was inadequate,” said Dr. Michael Holick of Boston University, a leading expert on vitamin D and author of The Vitamin D Solution (Hudson Street Press, 2010). However, the IOM levels are only 60 percent of what he recommends. “What is needed now is more randomized controlled trials to convince them,” he said.

And the upper levels can go higher? “Absolutely. Children can go up to 5,000 units a day, easily,” he said. “Adults can go up to 10,000 a day—I don’t recommend it, but they can. Overall, from my perspective, I consider it a positive step in the right direction but they need to go further.”

recommendations will benefit the public overall, there is significant scientific evidence demonstrating a potential need for vitamin D intake at levels up to 2,000 IU daily for adults to maintain optimal blood levels ranging between 30 and 45 ng/mL."