All these nutrients can be easily obtained by vegetarians from other sources, as this Information Sheet shows. Evidence suggests that excess protein contributes to degenerative diseases. Free range eggs . You have may have heard that it is necessary to balance the complementary amino acids in a vegetarian diet. This is not as alarming as it sounds.
Amino acids are the units from which proteins are made.
There are 20 different ones in all. Single plant foods do not contain all the essential amino acids we need in the right proportions, but when we mix plant foods together, any deficiency in one is cancelled out by any excess in the other. We mix protein foods all the time, whether we are meat-eaters or vegetarians. It is a normal part of the human way of eating. A few examples are beans on toast, muesli, or rice and peas.