White Plains, NY (PRWEB) April 26, 2011
Among 28 vitamin D supplements recently selected for independent testing, problems were found with 8 products, 29% of those reviewed, according to ConsumerLab.com. ConsumerLab.com evaluated vitamin D supplements as well as those containing calcium and/or vitamin K.
Vitamin D plays a critical role in bone health and higher levels in the blood are associated with reduced risk of heart attack, depression, rheumatoid arthritis, asthma and other conditions. Vitamin D has become one of the most popular supplements in the U.S. with sales rising from $ 72 million in 2006 to $ 429 million in 2009 according the Nutrition Business Journal. It was the fourth most popular supplement in a survey of its readers in 2010, used by 56% of respondents.
The most common problem found by ConsumerLab.com with supplements containing vitamin D was the wrong amount of vitamins: