It is true, since there really is no way to explain it, look at the picture below.
https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwjbm6jyusLeAhVC2VMKHTHUCnEQjRx6BAgBEAU&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FMyPlate&psig=AOvVaw1MJ9CiEdM-NRdRHxX4N2qV&ust=1541686191832175
Explanation:
As it is known The Dietary Guidelines for Americans have identified several shortfall nutrients in the U.S. population, including : fiber, folate, and iron (women only).
Hope this helps
Have a great day
And Good Luck