Many seem to have forgotten that we eat to live.
Have to be able to digest and use them – gut needs to be optimal
Not eaten either enough or not all the essential ones together (when vegetarian).
(not eaten by humans, unless it is fermented)
Eat a little protein with each snack – at least a small handful of animal protein three times daily and a smattering of cheese or mixed seeds/nuts often, along with fat and plenty of veggies.