Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to switch to a vegan diet for heart health [title] Replace meat with healthier proteins. [step] When going vegan, you are obviously cutting out all meat. Instead, you need to eat other forms of protein that are plant-based, including beans, grains, tofu, and nuts.

Ending1: One thing you do need to be careful about when going vegan is making sure you still get complete proteins. [substeps] Meat-based proteins are considered " complete " because they contain all of the nine amino acids your body needs. Ending2: [substeps] Vitamin a is important in your stomach, so eat it in small portions whenever possible. Your body needs this extra fat to fuel you and prevent dehydration, but it can also prevent levels of cyanosis in your body. Ending3: Dieters today have only one option for this dietary change. To make sure that you're getting the necessary nutrient boost and bringing in the proper number of calories, you should eat a meat replacement diet. Ending4: Vegan soup, iron-rich foods, and nuts can all help to keep you feeling full throughout the day. [substeps] Dairy is also important to increase your health, too.

Answer format: ending1/ending2/ending3/ending4