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Matti Narkia

Vitamin B Niacin Offers No Additional Benefit To Statin Therapy In Seniors Already Diag... - 0 views

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    "The routine prescription of extended-release niacin, a B vitamin (1,500 milligrams daily), in combination with traditional cholesterol-lowering therapy offers no extra benefit in correcting arterial narrowing and diminishing plaque buildup in seniors who already have coronary artery disease, a new vascular imaging study from Johns Hopkins experts shows.

    In tests on 145 Baltimore-area men and women with existing atherosclerosis, all over age 65, researchers found that after 18 months of drug therapy, reductions in arterial wall thickness were measurably no different between the half who took dual niacin-statin therapy and the rest who remained on statin therapy alone. "
Matti Narkia

Vitamin D and Cancer Mini-Symposium: The Risk of Additional Vitamin D - 0 views

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    Vitamin D and cancer mini-symposium: the risk of additional vitamin D.
    Vieth R.
    Ann Epidemiol. 2009 Jul;19(7):441-5. Epub 2009 Apr 11. Review.
    PMID: 19364661

    Conclusion

    The results of well-conducted trials of vitamin D lead to the conclusion that the current U.S. National Academy of Sciences-Institute of Medicine upper limit for vitamin D intake of 2000IU per day 1, 37 is excessively conservative. That intake would raise serum 25(OH)D by an average of about 50 nmol/L (20 ng/mL), well within the safe range of serum 25(OH)D concentrations that extends to 500 nmol/L (200 ng/mL). Intake of 4,000IU per day would raise serum 25(OH)D by an average of about 100 nmol/L (40 ng/mL). Even prolonged physiologic-replacement intake of 10,000IU per day of vitamin D3 would pose no known risk of adverse effects in virtually all adults.
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