| A | B |
| Low sodium | Often recommended for people with high blood pressure |
| Low fat | Recommended for people with heart disease or arteriosclerosis ("clogged" arteries) |
| Low calorie | Recommended for people who need to lose weight |
| High calorie | Recommended for those who are underweight or have major wound healing to accomplish |
| Low fiber | Recommended for someone who has diarrhea |
| High fiber | Recommended for someone who is constipated, also recommended to help prevent colon (large intestine) cancer |
| Carbohydrate controlled | Recommended for someone with diabetes who doesn't make insulin that moves glucose into cells |
| Iron rich diet | Recommended for those with anemia |
| Calcium rich diet | Recommended for people at risk for osteoporosis and for all children and teens |
| Clear liquid diet | Usually the first foods allowed after surgery, progressing to full diet as tolerated |
| Vitamin C | Citrus fruits |
| Iron | Red meat, green leafy veggies |
| Vitamin D | Sunlight, Fortified milk |
| Potassium | Bananas |
| Iodine | Fortified salt, fish |
| Vitamin A | Carrots |
| Vitamin K | Made by bacteria in the bowels |
| Gall bladder | Stores bile that helps digest fat |
| Liver | Makes bile, processes carbohydrates, fats, proteins, detoxifies harmful substances |
| Pancreas | Makes enzymes to digest carbs, fats, proteins; makes insulin to enable the body to use glucose |