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Alternative Health Blog


Vitamin D Deficiency in the Elderly

In a randomized, double-blind, placebo-controlled, prospective study involving subjects 60 years of age and older, supplementation with calcium plus vitamin D (cholecalciferol, 150,000 IU, once/month for the first 2 months followed by 90,000 IU/month for the next 4 months) was found to be significantly more effective in improving 25(OH)D levels and lower limb muscle strength, as compared to subjects taking calcium plus a monthly placebo. Specifically, subjects who received vitamin D treatment were found to have a 16.4% improvement in strength of hip flexors and a 24.6% improvement in strength of knee extensors. The authors conclude, “The suggested cholecalciferol supplementation was safe and efficient in enhancing 25(OH)D levels and lower limb muscle strength in the elderly, in the absence of any regular physical exercise practice.”


Reference:  “Treatment of Vitamin D Deficiency Increases Lower Limb Muscle Strength in Institutionalized Older People Independently of Regular Physical Activity: A Randomized Double-Blind Controlled Trial,” Moreira-Pfrimer LD, Pedrosa MA, et al, Ann Nutr Metab, 2009; 54(4): 291-300. (Address: Division of Endocrinology, School of Medicine, Federal University of São Paulo/UNIFESP, São Paulo, Brazil). 
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June 19, 2008
Derrick DeSilva Jr., M.D.
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Dr. Derrick DeSilva is on the Attending Staff at the Raritan Bay Medical Center in Perth Amboy, N.J., and on the teaching faculty at JFK Medical Center in Edison, N.J.

He has lectured on various topics in medicine --nationally and internationally-- and has his own talk show called Ask the Doctor which airs on WCTC in New Jersey (1450 AM) as well as his own television show, "To Your ...