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Milk is a source for vitamin D and calcium, but Lauri Erway Nandyal, MD, says natural sunlight is a good vitamin D source.
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Milk is a source for vitamin D and calcium, but Lauri Erway Nandyal, MD, says natural sunlight is a good vitamin D source.
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Publish Date: 03/15/12
Media Contact: Katie Pence, 513-558-4561
Patient Info:

To schedule an appointment with Nandyal, call 513-821-0275. To learn more about vitamin D and its benefits, visit www.vitamindcouncil.org.

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UC HEALTH LINE: Low-Fat Milk Is Good, but Some Sun Is an Option for Vitamin D

CINCINNATI—With obesity on the rise, nutritional issues have been taken on by public and governmental officials.

 

In January, the U.S. Department of Agriculture announced a federally funded, five-year plan to improve cafeteria food and reduce childhood obesity.

The
new guidelines guarantee more fruits, veggies and whole grains on the lunch table; in addition, full-fat milk is off the menu, meaning kids will choose from low-fat or fat-free.

 

Lauri Erway Nandyal, MD, UC Health primary care physician who sees patients in Wyoming, says this is a good change in order to keep children eating healthier, lower-fat foods, but warns that, whether milk is part of a person’s daily intake or not, vitamin D is necessary for healthy bones and bodies.

 

"Most kids don’t do green vegetables, which are a source of calcium, so milk is the best option for vitamins and calcium,” she says, adding that white milk is best, omitting the added sugar in chocolate or flavored milks, which may be as unhealthy as soda. "Nutrition in school is so important because some children aren’t getting the message about healthy eating at home.

 

"Schools should be held to higher standards and not reinforce poor eating choices.”

 

But even with milk and veggies on the table, Nandyal says vitamin D is not available through many other food sources.

 

"We can’t expect one or two cartons of milk to do the trick,” she says. "It’s a fatty fish-based product, so we can eat fish, but we also need to see vitamin D deficiency as less of a nutritional issue and more of a skin issue.”

 

Nandyal explains that our bodies are designed to manufacture vitamin D through our skin and cautious exposure to sun is important, being careful to avoid burning.     

 

"There are vitamin D supplements, which are often necessary in addition to the little we can get from our diets, but in my opinion, we need more public consensus about what amount of sun exposure is safe and necessary to get the amount of vitamin D that we need,” she says, adding that during the winter months, the need for supplementation is important, since sun exposure is not feasible.

 

"We’re trying to level the playing field, but saying that the same amount of sun exposure will produce sufficient vitamin D for everyone is untrue.

 

"No one should spend excess amounts of time in the sun, but depending on the amount of melanin in the skin and the amount of skin a person is willing to show, the amount of vitamin D able to be manufactured differs.”  

 

She adds that in an effort to be "colorblind,” the same recommendations for sunscreen to pale people are often made for people of color.

 

"African-Americans are well pigmented and don’t need to be slathered in the highest level SPF,” she says. "I’m not saying that sun screen should not be used; however, I’m saying that we do need some sort of sun exposure to be healthy and receive some of the vitamin D that we need, and that it isn’t a one-size-fits-all kind of solution.

 

"In fact, someone with a dark complexion needs about four times the amount of sun exposure to someone who has fairer skin.”

 

And when it comes to the schoolyard, Nandyal says that in addition to milk, educators should try to hold outdoor PE classes, to allow some of that natural vitamin D absorption.

 

"There shouldn’t be an expectation that milk will solve vitamin D deficiencies,” she says. "In fact, milk isn’t a natural source of vitamin D either. However, I think the nutrition push in schools is fantastic, and I’m glad to see these efforts under way.

 

"I tell my patients to not think of food as fuel, but instead to think of it as data—information being used to tell your body how to process and fix problems. We want to be sure that we’re putting in the right data—through our mouths or our skin—to achieve the best possible health.”



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