One look around will tell you, as a nation, our intake of calories, refined carbohydrates, saturated fat and sodium is too much. Yet, we are undernourished when it comes to key nutrients based on a recent reports issued from the U.S. Department of Agriculture (USDA). We fail to meet recommended daily allowances for a host of vitamins and minerals. Nutrients slipping through the 'crack' include: fiber, potassium, magnesium, vitamins A, E and C and calcium.
Vitamin C is lacking in 40% of men and 38% of women 19 or older -- surprising because it’s so easy to meet (e.g. half of one red bell pepper 
provides well over 100% of the daily requirement). Vitamin C promotes collagen formation, immune function and wound healing. Top sources of vitamin C include red/yellow bell peppers, kiwi, oranges, and broccoli.
Calcium deficiency is also problematic, with one half of women and 40% of men failing to get enough. Calcium promotes strong bones and teeth. Top sources of calcium include nonfat milk, soybeans, kale, and arugula.
Zinc One-third of people over 70 years old do not get enough zinc. Zinc helps boost the immune system and may reduce cold symptoms. Top sources of zinc include oysters, beans, oats, and green peas.
Vitamin B6 Are you among the 33% of adult women do not meet the daily vitamin B6 requirement. Vitamin B6 may reduce the risk of heart disease, help make red blood cells, and support normal brain and immune function. Top sources of vitamin B6 include potatoes, bananas, red bell peppers, and broccoli.
Iron About 15% of women 14 to 50 years old fall short on iron. Iron is needed to oxygenate the blood and support reproduction. Top sources of iron include cooked clams, spinach, green peas, and soybeans.
Phosphorus Forty percent of young women (ages 9-18) do not get adequate phosphorus. Phosphorus works with calcium to promote strong bones and teeth. Top sources of phosphorus include lentils, sardines, salmon, and Portobello mushrooms.
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