As it turns out, a balanced vegetarian diet provides adequate protein in the quantities that humans need, and in available forms that their bodies can use.
(it; turns out; ) (a balanced vegetarian diet; provides; adequate protein; L:in the quantities) (the quantities; need; humans) (available forms; can use; their bodies)
it a balanced vegetarian diet the quantities available forms
turns out provides need can use
adequate protein L:in the quantities
humans
their bodies