Vitamin D has been talked about as the vitamin — the one that might help fend off everything from cancer to heart disease to autoimmune disorders, if only we were to get enough of it.
“Whoa!” is the message from a committee of experts assembled by the Institute of Medicine (IOM) to update recommendations for vitamin D (and for calcium).
The IOM committee’s report, released this morning, says evidence for many of the health claims for vitamin D is “inconsistent and/or conflicting or did not demonstrate causality.” The exception is the vitamin’s well-documented (and noncontroversial) benefits on bone growth and maintenance.
The IOM panel’s report also says most North Americans (Canadians as well as Americans) have more than enough vitamin D in their blood to achieve the desired effect on bone. The committee said a blood level of 20 nanograms per milliliter (ng/mL) is sufficient for most people.
The panel set 600 International Units (IU) as the recommended daily intake for children and for adults ages 19 to 70. People ages 71 and older are supposed to get an additional 200 IU, or 800 IU a day.
That’s a fairly sizable increase over the previous recommendations of 200 IU per day through age 50, 400 IU for people ages 51 to 70, and 600 IU for people ages 71 and older. Read more »
*This blog post was originally published at Harvard Health Blog*
Freelance journalist and author Suzanne Schlosberg wrote because she was so upset over a New York Times story, “The Chip That Stacks Adds a Multigrain Twist,” that she wanted us to review it. I thought anyone who feels so strongly about something should review it herself. So she did. Here is Suzanne’s guest post:
I was flabbergasted when I read this New York Times piece on Procter & Gamble’s new entry into the potato-chip market: multigrain Pringles. The story accepts at face value P&G’s misleading marketing pitch — that “multigrain” is equivalent to “healthy.” When I sent a link to my nutritionist friend Cynthia Sass., M.S., R.D., she replied: “Did you notice it says ‘advertising’ in the top left corner? It must be a paid ad that resembles an article.”
Actually, it’s not. It’s a business story that ran in the “Media & Advertising” section. Though the story didn’t appear on the health pages, it should have made clear that “multigrain” simply means that more than one grain is included in the product — not that the product is necessarily nutritious. Read more »
*This blog post was originally published at Gary Schwitzer's HealthNewsReview Blog*