Vitamin D and Cancer in Postmenopausal Women

Vitamin D and Cancer in Postmenopausal Women

Researchers divided 2300 postmenopausal, healthy women aged 65 or older, into two groups. One group received 2000 IU/day of vitamin D3 and 1500 mg/day of calcium; the other a placebo. After 4 years, the difference in any new cancer incidence between groups was...
Supplements to Prevent Fractures?

Supplements to Prevent Fractures?

Contrary to current opinion, a systematic review of 33 randomized trials in about 50,000 community-living adults over 50 years old found no benefit for supplementation of vitamin D and/or calcium. This study strongly supports the U.S. Preventive Services Taskforce in...
Vitamin D Status

Vitamin D Status

A British study found Vitamin D3 to be significantly more effective at raising total serum 25-hydroxyvitamin D than Vitamin D2 in the wintertime. During the 12 week trial, each group received biscuits or juice fortified with 600 IU (15 micrograms) of D2 or D3. The...
Vitamin D Status

Vitamin D Supplementation and Fall Risk

Swiss researchers evaluated monthly high-dose vitamin D supplementation in 200 adults 70 years and older with a history of a fall in the past year. They were randomized to receive one of three monthly regimens, including the control group. At 12 months, lower...

Is there Benefit to Vitamin D Supplementation?

Traditionally, low vitamin D levels have been associated with lower bone-mineral density (BMD). However, there is no universal agreement on how to define "low". Researchers studied 230 postmenopausal women 75 years or older who had...