https://digg.com/data-viz/link/most-com ... ericans-US
A worrying 96 percent of Americans don't get enough Vitamin D, despite it helping with many functions in the body, including bone health and the immune system. The primary source of Vitamin D is sunlight, but it can also be obtained by eating mushrooms, egg yolks, fish and beef.
The country's second-most common nutrient deficiency is Vitamin A, with 51 percent of Americans getting less than the recommended amount through their diets. Vitamin A is naturally found in leafy greens and orange and yellow vegetables.
Half of people in the US are deficient in calcium, a nutrient that's essential for bone health, while 43 percent lack Vitamin C.