Cooking fats and oils are not high in fiber at all. In fact, none of them contain any fiber, not even avocado and coconut oil, which are both made from high-fiber fruits! However, oil still may play a role in digestive health. Let’s look a little more at fiber, why it isn’t in fat, and what you can do instead to increase fiber in your diet.

What Is Fiber Exactly?
Dietary fiber is basically the indigestible parts of plant foods and is sometimes referred to as roughage or bulk. Unlike fats, proteins, and carbohydrates, which are broken down and absorbed by the body, fiber moves through the digestive system, distributing nutrients and helping to clear out waste. It can be found in fruits, vegetables, whole grains, and legumes.
Fiber can be classified into soluble and insoluble. Soluble fiber dissolves in water, creating a kind of gel within the digestive system. It can help reduce blood cholesterol and blood glucose levels. Insoluble fiber does not dissolve in water but helps the movement of material through the digestive system and adds bulk to stool.
In cooking and baking, fiber can increase the amount of bulk in a recipe and help absorb excess moisture from doughs and batters, allowing them to maintain their shape as they bake.
Why Isn’t Fiber In My Cooking Oil?
Fats and oils do not have fiber, as the extraction and refining process eliminates any bulk or roughage. The extraction methods for oils and fats vary depending on their source. Plant-based oils are typically obtained through pressing or extraction, involving physical force or solvents to separate oil from the plant material. Animal-sourced fats, on the other hand, are generally rendered.
Can Oil Still Help My Digestive System?
Incorporating olive oil into your routine can offer multiple benefits for digestion and relieving constipation. By helping the stool retain more water, olive oil keeps it softer and facilitates easier elimination. My grandparents used a trick to ease constipation: consuming one tablespoon of olive oil on an empty stomach in the morning! This is due to healthy fats and monounsaturated oils in olive oil, which promote efficient bowel movements.
Coconut oil also aids in maintaining a healthy digestive system. Organic virgin coconut oil contains lauric acid, which possesses antimicrobial properties, supports immune function, and helps restore a healthy balance of gut bacteria.
How Else Can I Increase Fiber In My Cooking?
Increase fiber in your diet with these six tips for bakes, shakes, smoothies, and regular cooking:
- Include whole grains in your diet by ensuring at least half of your grain intake consists of whole grains. Prioritize breads that list whole wheat or whole-wheat flour as the main ingredient, and explore options that include high fiber additions such as coconut flour, chia seeds, flax meal, and bulgur wheat.
- Enhance baked goods with whole-grain flour or coconut flour. Substitute whole-grain or high-fiber flour for part of the white flour in your recipes.
- Incorporate legumes into your meals. Add kidney beans to soups or salads, or make bean and veggie burritos!
- Increase fruit and vegetable consumption. These are rich in fiber, vitamins, and minerals. Aim for five or more servings per day.
- Choose fiber-rich snacks such as fresh fruits, raw vegetables with hummus dip, and whole-grain crackers. Nuts and dried fruits can also be healthy high-fiber snacks.
- Add a fiber mix to your smoothies. I make mine with a blend of chia seed flour, psyllium husk and green banana flour and add a tablespoon to my morning fruit smoothie.
FAQs
The fiber you need per day depends on your age and gender. The following from The Institute of Medicine may help:
Age 50 or younger: Men 38 grams, Women 25 grams
Age 51 or older: Men 30 grams, Women 21 grams
Fruits and vegetables are high in fiber, as are beans and high-quality carbohydrates like whole wheat and grains. One avocado has around 10 grams of fiber, which is around ⅓ of what you need in a day right there!
Both types of fiber have their place and function. Soluble fiber helps to slow digestion and can help control blood sugar levels. Insoluble fiber helps move food through the digestive system, so it can be helpful for constipation and other digestive issues.
No, fiber and carbs are not the same. Carbs are a nutrient made up of carbon, hydrogen and oxygen molecules that provide energy for the body. Fiber is a type of carbohydrate that cannot be digested and absorbed by the body, so it does not provide any calories or energy.



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