Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to be a healthy vegan [title] Get your vitamin b12. [step] B12 promotes healthy functioning of the brain and nervous system, and is an essential vitamin for any healthy person. The recommended daily intake for adults is 2.4 micrograms.

Ending1: Consult your doctor before starting any dietary changes. [substeps] Try adding a handful of one-half teaspoon of a daily b vitamins per day (plus a few extra). Ending2: However, b12 only naturally occurs in animal foods. Since b12 is not found in plant-based foods, vegans need to find ways to supplement their diet with foods that have been fortified with b12. Ending3: [substeps] All parts of a healthy animal are fat. If you drink enough juices, get the plant fruit fruit and vegetable juices, and fruits and vegetables also. Ending4: [substeps] Avoid products containing high concentrations of b12. Although vitamins often be found in milk, yogurt, crackers and cheese, you should still avoid these foods as much as possible.

Answer format: ending1/ending2/ending3/ending4