4 Nutrients You Might Not Be Getting Enough Of

Shortfall Nutrients Dietary Guidelines

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When the USDA came out with its dietary guidelines for Americans, it also published information on the so-called “shortfall nutrients” that Americans are not getting enough of. Are you getting enough of these four important nutrients? Here’s what they are and how to get them through the foods you eat.

1. Fiber

Why You Need It: Fiber can help prevent type 2 diabetes, certain types of cancer and heart disease. Research also suggests that consuming fiber-rich foods might boost weight loss by helping you to feel fuller after you eat. But most of us eat only about half as much fiber as we should. Nutrition guidelines recommend that women eat 25 grams daily and men eat 38 grams daily; the average American consumes only about 14 grams.

How to Get It: Load up on plant-based foods–the less processed the better. (Consider this: A medium orange has 3 grams of fiber; a cup of OJ has zero.) Whole grains, such as oatmeal (3 grams per 1/2 cup), and beans (about 6 grams per 1/2 cup) are also great sources.

2. Calcium

Why You Need It: Calcium is important for keeping bones and teeth strong, but it also helps muscles contract, nerves transmit signals, blood clot, and blood vessels contract and expand. Adults aged 19 to 50 need 1,000 mg per day; for women 51-plus (and men 70-plus), it’s 1,200 mg daily.

How to Get It: Dairy products are good choices (choose nonfat or low-fat to limit saturated fat), delivering between 300 mg (milk) to 490 mg (nonfat plain yogurt) per 1-cup serving. Some dark leafy greens also offer calcium that’s well absorbed by the body; for instance, kale and collard greens provide 94 mg and 266 mg per cup, respectively.

3. Potassium

Why You Need It: Potassium is critical for helping nerves transmit signals, muscles contract, and cells maintain fluid balance inside and out. Recent scientific evidence demonstrates that potassium helps maintain normal blood pressure.

How to Get It: By eating a variety of fruits and vegetables–they’re full of this nutrient. But according to the Centers for Disease Control (CDC), only 32.5% of adults eat two or more servings of fruit per day and only 26.3% eat the recommended three or more servings of vegetables per day. Pile on the produce!

4. Vitamin D

Why You Need It: Vitamin D is a fat-soluble nutrient that’s important for building bone and has been linked with lower incidences of cancers and lower rates of immune-related conditions, such as type 1 diabetes and multiple sclerosis. The primary way we get vitamin D is by making it ourselves–UV rays from the sun help us to produce it. In the wintertime, in northern latitudes, many people start to run out of their internal vitamin D stores.

How to Get It: Soak up some sun (ultraviolet, or UV, rays cause skin cells to produce vitamin D). Eat vitamin-D-fortified foods, such as milk, soymilk, and cereals. Vitamin D is also found naturally in a few foods: fatty fish, such as salmon, mackerel and sardines, and in egg yolks. If you live in the northern part of the US, spend lots of time indoors and/or slather on the sunscreen anytime you’re outside, you may not be getting enough. Some studies suggest that as many as seven out of ten Americans are deficient in vitamin D. To be absolutely sure you’re covering your needs for this nutrient, consider a vitamin D supplement (for folks ages 1 to 70, the recommended amount is 600 IU).


Articles © 2004-2011 Eating Well, Inc. All rights reserved. Reprinted with permission.

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The One Medical blog is published by One Medical, an innovative primary care practice with offices in Boston, Chicago, Los Angeles, New York, Phoenix, the San Francisco Bay Area, Seattle, and Washington, DC.

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