supplements

I would like to answer a common question about accounts and passwords on FitEyes. Each of our websites has a separate login and password. For example, the blog (www.fiteyes.com) and the store (estore.fiteyes.com) and the IOP database (iop.fiteyes.com) all have separate logins and passwords. There are technological reasons for this.

It is helpful to distinguish among Vitamin D deficiency, sufficiency, and an optimal level, although there’s some difference of professional opinion regarding each. FitEyes member Ken Rogers contributed the following information to a recent discussion on our email list. Research research published in the journal article Public Health Nutr.