Have fruits and vegetables become less nutritious? In other words, can you get the micronutrients you need to stay healthy from food alone? Micronutrients are needed for many important functions in your body. But it’s becoming harder to get them from food alone. Due to modern agricultural and shipping practices, nutrient deficiency in plants is becoming more common, leading to more individuals who have a nutrient deficiency. This is true even among those who are very health conscious and eat what should be a highly nutritious diet.