[header] How to go vegetarian as a senior citizen [title] Eat protein dense foods. [step] Protein gets more important as you age. While many people are concerned with protein intake with a vegetarian diet, it's easy to get enough protein if you make a point of eating protein rich foods throughout the day. 
[substeps] Beans, soybeans, and peanuts are an excellent source of nutrients in addition to protein. Soy-based products can be used as a meat or dairy substitute.