All of them are rich in nutrients that are particularly important to the health of your digestive system.
Red beets and beet greens
Both are rich in fiber that can help keep waste materials moving through your small and large intestines at a healthy pace.
Red beets contain large amounts of potassium and magnesium, while beet greens are an excellent source of beta-carotene, iron, and calcium. All of these nutrients are essential to maintaining the health of your digestive tract lining and the smooth muscle fibers that create the waves of contractions that produce bowel movements.
Steaming is the healthiest cooking method for red beets and beet greens. Cut the greens off right where their roots meet the red beet heads. Give the greens a good wash with cold water and set them aside. Peel the skin off the red beets, slice them into 1/4 slices, and then cook them in a steamer for about 8-10 minutes or until they start to become slightly tender. At this point, place the beet greens right on top of the red beet slices, put the lid back on the steamer, and allow it to run for another 5-7 minutes or until the beet greens have softened up to a texture that you enjoy.
Yukon gold potatoes and sweet potatoesIf prepared and eaten with their skins, Yukon gold potatoes and sweet potatoes are an excellent source of dietary fiber. They're also rich in complex carbohydrates, vitamin B6, vitamin C, and manganese.
Yukon gold potatoes and sweet potatoes are effective in the treatment of peptic ulcers, duodenal ulcers, and some stages of inflammatory bowel disease.
Avocados
One medium size avocado contains a whopping 15 grams of fiber, making it one of the most fiber-rich fruits that we know of.
Avocados are well digested by the masses, including toddlers and young children, and contain plenty of healthy raw fat, most of it monounsaturated. Few other fruits or vegetables contain as much healthy raw fat.
Healthy, raw fats are important to the health of your digestive tract for several reasons, the most important of which are to stimulate healthy functioning of your pancreas, gall bladder, and liver, and to provide an environment in which beta-carotene can be converted efficiently into vitamin A, which is the one vitamin that is absolutely essential to having a healthy mucosal lining throughout your GI tract.
Oats
Whole oats contain plenty of soluble fiber. They're also rich in selenium, thiamin, phosphorus, and manganese. Whole oats also contain small amounts of copper, folate, vitamin E, and zinc.
The best choice is steel-cut oats, which are whole oat groats that have been cut into small pieces. No heat is used in making steel-cut oats, which leads to better nutrient preservation than other processing techniques that produce rolled oats or quick oats.
If you have to choose between rolled oats and quick oats, choose the rolled variety. Rolled oats are made with a steaming process that doesn't destroy many nutrients, while quick oats are made with dehydrating and pre-cooking processes, which typically leave oats nutrient-depleted.
Note: Oats, barley, wheat, and rye should be avoided if you don't react well to gluten.
Cod liver oil
Cod liver oil provides plenty of natural vitamin A, which we've already mentioned is essential to the lining of your digestive tract. It also provides natural vitamin D, which we know is a powerful immune system modulator, with research indicating that vitamin D may be critically important in preventing the development of autoimmune conditions, including those of the GI tract.
If you want to build and maintain a healthy digestive tract for the long term, you really have to take a holistic approach and address several areas of your life: your food choices, eating habits, exercise habits, resting habits, and your emotional health status.
