you mentioned it in another post also I believe, but higher protein greens, are also good fodder for many types of animals.... Some animals can get by on lower quality forage, but things with higher protein and more minerals will certainly help in a possible age buying supplements for animals is not cheap or maybe not possible.
i really try to make sure i get my nutrients from a range of sources as well. I keep it some what simple on a per meal or per day basis or do usually, but like to have a real diversity overall.... my body seems to appreciate it.