Here are the suggested words for each blank:
- nutritious
- In fact
- essential
- Overall
So the completed sentences would read:
"Eggs are a nutritious source of proteins, vitamins and minerals. They also contain cholesterol, fat soluble vitamins, and fatty acids. In fact, more than half of the protein in an egg is found in the egg white. Egg whites contain essential nutrients such as selenium, vitamin D, and minerals such as copper, zinc, and iron. Overall, this humble food is full of goodness and is recommended to maintain a healthy heart and body."