Low Vitamin D Linked to Aging Problems

A Dutch study has recently found that vitamin D levels in people over the age of 55 are related to an inability to accomplish ordinary tasks of daily life. The researchers studied 2 groups of older people. The first group included 725 men and women 55 to 65 years old,...

A Study of Women and Vitamin D

A study looked at women ages 35 to 49, and found that those women with vitamin D levels above 20 were 32% less likely to have had uterine fibroids, versus those with lower D levels. Also, women who had at least one hour a day of sun exposure were 40% less likely to...

Calcium Supplements

ConsumerLab.com recently reviewed several calcium supplements for quality issues, including labeled amount, ability to break apart for absorption, and purity. Supplements are not routinely tested by the FDA or other federal or state agencies for quality before they...

Vitamin D Labels May Not Be Accurate

While the FDA does not regulate the potency of vitamin D supplements, companies can comply with the standards of the United States Pharmacopeial Convention, which requires that pills have at least 90% to 110% of the listed potency. Recently, results of a study were...

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