Final answer:
Rich sources of choline include meats, eggs, and dairy products. Other sources include liver, fish, green leafy vegetables, and vegetable oils.
Step-by-step explanation:
Rich sources of choline include meats, eggs, and dairy products. These foods contain high levels of choline and are essential for the synthesis of phosphatidylcholine, which is necessary for the formation of lipoproteins.
Other sources of choline include liver, fish, green leafy vegetables like spinach and lettuce, and vegetable oils such as wheat germ oil, corn oil, cotton seed oil, and safflower oil.