Vegetables are full of vitamins and minerals and have fewer calories than meat or eggs. However, they do not contain as much protein per serving as meat. In addition, the proteins they contain are “less complete” than meat, because they do not contain all the amino acids the body needs. So how do vegetarians and vegetarians get all the amino acids they need? Well, they need to make sure that their diet includes a variety of plant proteins, including nuts, legumes, soy-based products and grains, as well as fruits and vegetables. This variability ensures that their body receives a variety of essential amino acids.