Dr. Bo Nielsen's comments:
Once again a new study proves that almost all of us living in this part of the world are deficient in vitamin D3. What this meta-analysis also shows is that unless we lie in the sun 20 minutes a day we have a much higher risk of developing cancer, heart disease and type II diabetes. From other studies we know that many more diseases are related to low levels of vitamin D3. What is also new is that the "old fashioned" RDA (recommended daily allowance) dosages of vitamin D are far too low to protect us. What most researchers recommend today is that you take Vitamin D3 supplements every day containing at least 2000 IU. Many people still fear to get too much of this vitamin. There is no risk of overdosing with vitamin D3 if you take supplements with 2000 IU (50 mcg) which is the official upper safe amount for adults. For infants aged 0 to 12 months, the upper limit is 1,000 IU (25 mcg) and for pregnant and nursing women the official upper limit is 2,000 IU (50 mcg).
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