How Long Does Oatmeal Take to Digest? (2024)

Have you ever wondered how long it takes to digest the meals you eat? If you have, you're not alone. The internet is full of questions and answers discussing the digestion process. The truth is, some foods digest quicker than others, and while you may not be able to time it, you can get a general idea of how quickly food moves through your system by observing how full you remain after eating.

Each body is unique, and each of us digests different macronutrients at different rates. One of the essential macronutrients that our bodies digest is carbs. Carbohydrates are the body's primary fuel source, and to keep our energy levels high, they need to be readily available to fuel the body at any given time.

Compared to other nutrients, carbohydrates have the shortest digestion time—especially refined carbs. Refined carbohydrates like cookies and crackers are digested quicker than unprocessed carbs. But, even though the energy they provide is quickly obtained, it's short-lived.

When searching for food that will keep you fuller for longer, reach for complex carbohydrates rather than refined ones. Complex carbohydrates are digested much more slowly. This slow digestion process allows them to provide a long-lasting, stable energy source. So not only will you remain satisfied for longer, but eating more foods rich in complex carbohydrates can help prevent unwanted energy crashes. In addition, the fuller you remain, the fewer urges you may have to reach for unhealthy snacks.

Is Oatmeal a Complex Carbohydrate?

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Oatmeal is often praised for being one of the healthiest energy sources around, but what makes it so? Not only does oatmeal provide complex carbohydrates to keep your body and brain fueled throughout the day, but it's also full of other nutrients. When you eat a bowl of oatmeal, the complex carbs deliver energy to your body. And because these carbs are slowly digested, the energy will last much longer.

In addition to being a complex carbohydrate, oatmeal is also a whole grain and much more nutritious than refined carbs. Whole grains contain all parts of the grain—the bran, germ and endosperm. This being so, they also have more nutrients and benefit your body in more ways than one.

Simple vs. Complex Carbohydrates

Are complex carbohydrates really that much better for you? Let's take a closer look at simple vs. complex carbs and the differences.

Simple Carbohydrates

Simple carbohydrates are those which are more easily digested by the body. Simple carbs can be found in healthy, whole foods like fruits and dairy. However, they are also found in processed, refined foods like pasta, sugar and bread. Eating simple carbohydrates provides you with a quick boost of energy, yet, once you've burned through that energy, you are met with an equally dramatic energy crash. To compensate for the energy you just used, your body overcompensates with rest causing you to feel lethargic and making it hard to stay awake.

Complex Carbohydrates

In comparison, because complex carbohydrates take longer to break down, the stream of energy is released over a more extended time. Complex carbohydrates are found in foods like vegetables, oats, whole grains and legumes. Because the build of energy is more natural when consuming complex carbohydrates, the fall of energy is equally as steady, and you don't experience a crash.

How Long Does Oatmeal Take to Digest?

So, how long does oatmeal take to digest? Since oatmeal is a complex carb, it's digested slower than foods containing simple carbs. However, oatmeal also contains dietary fiber, which helps with digestion and absorption. When these two factors are combined, the digestion time of oatmeal is relatively fast and takes about two to three hours.

The Benefits of Consuming Oatmeal Regularly

Consuming complex carbs regularly can provide you with sustained energy levels and help you remain satiated throughout the day. A good source of complex carbs, starting your morning off with a bowl of oats is an excellent way to ensure that you remain energized and alert for the events ahead. Continue scrolling to discover the many benefits of adding oatmeal to your weekly menu.

Oats Are a Balanced Breakfast Option

Aside from being great for you, oats are also easy to make. Filling, tasty and full of flavor, beginning your morning with a bowl of oats is sure to wake you up with a smile. If you have a bit of extra time over the weekend and want to spice up your usual bowl of oats, try a baked recipe instead. Unique recipes like this Baked Pear Oatmeal are an excellent breakfast to surprise the family with. Simple and easily adapted to suit taste preferences and dietary needs, it's a fiber-filled dish that everyone will enjoy.

Oatmeal Recipes to Make Ahead

Searching for an oat recipe that you can make in a time crunch? Several oatmeal recipes can be made ahead of time so that you can quickly grab them as you're heading out the door. When prepping your menu for the week ahead, review the oat recipes below to see which can be incorporated into your morning routine.

Overnight Oatmeal Cup

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Overnight oatmeal is one of the most simple and nutritious breakfast recipes out there. To make overnight oats, you simply combine all of the ingredients you'd typically add to your oatmeal, cover it, and place it in the refrigerator overnight. Then, as you sleep, the oats will soak up all of the tasty flavors of the ingredients and create delicious and creamy oatmeal that you can grab and enjoy on the go. For a fantastic cup of overnight oats, use our Gluten Free and Organic Oatmeal Cups and Nutritional Booster Powders.

Spiced Oatmeal Cookie Booster Smoothie

Smoothies are another healthy breakfast option that you can make in minutes. Ensure that you get out the door on time and make this Spiced Oatmeal Cookie Booster for breakfast. It's a quick and vegan smoothie loaded with healthy foods to get your day started. Additionally, to cut down the prep time, prepare the ingredients of this smoothie the night before, so all you have to do is blend them up in the morning!

Cranberry Orange Oatmeal Bars

A sure-fire way to free up more time on weekday mornings is to plan your breakfasts out on the weekend. Make these Cranberry Orange Oatmeal Bars to ensure that you always have something healthy and tasty to reach for. The perfect alternative to breakfast cereals, they combine the chewy goodness of rolled oats with a flaky crust and cranberry filling and come together in the work bowl of your food processor. Simple to make and clean up, keep these oatmeal bars in the freezer, and allow them to thaw on the counter as you get ready for work. By the time you're heading out the door, they'll be ready to eat!

Oats Are Naturally Gluten Free

One of the things we love most about oats is that they're an allergy-friendly food. However, while oats are naturally gluten free, you'll want to check with the manufacturer to make sure they are processed in a gluten free facility. Even a tiny amount of gluten can cause symptoms in individuals intolerant to it. And, despite their gluten free nature, cross-contamination is a concern when processed using the same equipment as other grains.

Bob's Red Mill Gluten Free Old Fashioned Rolled Oats are an excellent way to incorporate more fiber-rich foods into your diet. What's more, they're made in our dedicated gluten free facility to ensure that they maintain their gluten free integrity.

To make your favorite gluten free dessert even more nutritious, follow this Gluten Free Oatmeal Cookie Recipe. This recipe combines our Gluten Free 1-to-1 Baking Flour with Gluten Free Old Fashioned Rolled Oats to create a chewy, great-tasting cookie sans gluten.

Oats Can Be Sweet or Savory

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Oat's naturally nutty flavor tastes excellent when combined with various ingredients. While oats are usually paired with sweet foods like fruit and brown sugar, they can also be used to create a savory side dish. So switch up your next breakfast bowl of oats and make a flavorful recipe like this Savory Oatmeal with Baked Eggs. Chicken broth, Steel Cut Oats and eggs create a hearty, filling breakfast dish we can't get enough of.

Oats can also create light lunches and savory appetizers like this Peachy Salad with Savory Toasted Oats and Cheesy Oatmeal.

Incorporating more oats into your diet is one habit that's sure to help you reach your health goals. Oats are a slowly digested source of complex carbohydrates, fiber and protein that will help keep you energized and alert for the day ahead. Pull from one of the recipes above, or whip up one of your own to begin enjoying the benefits of oats today. From everyone at Bob's Red Mill, we wish you a healthy and happy day!

Do you enjoy cooking with oats? We'd love to hear about the recipes you create with this superfood ingredient. Share your favorite oat-based meals with us in the comments below.

How Long Does Oatmeal Take to Digest? (2024)

FAQs

How Long Does Oatmeal Take to Digest? ›

Since oatmeal is a complex carb, it's digested slower than foods containing simple carbs. However, oatmeal also contains dietary fiber, which helps with digestion and absorption. When these two factors are combined, the digestion time of oatmeal is relatively fast and takes about two to three hours.

How long does oatmeal stay in your stomach? ›

The digestion of different grains and carbohydrates again takes longer than processing fruit and vegetables. Grains like brown rice, buckwheat and oats can take approximately an hour and a half to exit your stomach, whereas legumes like chickpeas, lentils, beans etc. take even more – around two hours.

How long should you wait after eating oatmeal? ›

Oatmeal is an easy-to-digest carb, so as long as you've eaten a small to medium-sized portion, you should be clear to work out within two to three hours. Experts warn against eating high-fiber carbs like whole grains too close to a workout.

How long will oatmeal keep you full? ›

Protein helps curb the hormone ghrelin, which gets released when your body needs more fuel. So putting these two together into your fiber-packed oatmeal gives you a well-rounded breakfast that will keep you satisfied until lunch.

How long to let oatmeal digest before working out? ›

We'd recommend eating them one or two hours beforehand or if you're really on a time crunch, try to keep it at a snack-sized portion and avoid eating till you're full. You don't want to feel weighed down more than you already are when you've got extremely heavy weights resting on your shoulders.

What does oatmeal do to your bowels? ›

Oatmeal is a good source of fiber, particularly soluble fiber. As a result, it helps add moisture to the stool, which makes it softer and easier to pass. Other high-fiber foods like fruits, nuts and seeds pair well with oatmeal and could increase the meal's or snack's constipation-relieving benefits.

What happens to gut when you eat oatmeal every day? ›

"Oats contain a special type of soluble fiber called beta-glucan," says Michalczyk. "Beta-glucan forms a gel-like consistency in the gut and helps to keep things moving in your digestive tract and keep you regular." This helps with bulking up your stool, making it easier for your bowel movement later.

Is it OK to drink water after eating oatmeal? ›

You can drink water at any time and in any reasonable quantity. Property cooked oatmeal is virtually completely hydrated using the instructions for preparation on the label.

Is there a downside to eating oatmeal? ›

Oats can cause gas and bloating. To minimize side effects, start with a low dose and increase slowly to the desired amount. Your body will get used to oat bran and the side effects will likely go away.

Is 1 cup of oatmeal too much? ›

The bottom line. The general oatmeal serving size is around half a cup of uncooked oats or one cup of cooked oatmeal. A serving of oats provides a variety of important nutrients, including protein, vitamins, and minerals.

What not to mix with oatmeal? ›

Some unhealthy toppings for oatmeal include:
  • Sugary syrups like maple syrup or honey.
  • Candied or dried fruit with added sugar.
  • Chocolate chips or other candy.
  • Sweetened whipped cream or heavy cream.
  • Granola or other high-sugar cereals.
  • Sweetened coconut flakes.
  • Artificial sweeteners or sugar substitutes.
Feb 13, 2023

Why am I hungry 2 hours after eating oatmeal? ›

Complex carbs are still carbs, and they can lead to a blood sugar spike if you don't balance them out with other macronutrients. (Think protein and fat.) Plus, certain oat products, like instant oats, contain less fiber and protein than other varieties, and may contribute to an even greater sugar spike.

Is oatmeal before bed good? ›

Oatmeal. Hot or cold oatmeal might help prepare your body for sleep and keep you full throughout the night. Oats contain magnesium as well as melatonin, the sleep hormone. Consider making a batch of overnight oats with dried fruits and seeds for a simple nighttime snack option.

How long do oats take to absorb? ›

Cover and soak for 6 hours or overnight (see notes for shortcuts). This will improve digestibility and also slightly speed cooking time. It also yields fluffier, creamier oats! The following day (or 6 hours later), add a pinch of salt and bring to bubbling boil over high heat.

Why is it discouraged to exercise immediately after a meal? ›

Some people may experience various side effects when exercising shortly after eating. These include bloating, nausea, cramping, reflux, vomiting, diarrhea, sluggishness, and potentially hindered performance.

How long does it take for oatmeal to get in your system? ›

Since oatmeal is a complex carb, it's digested slower than foods containing simple carbs. However, oatmeal also contains dietary fiber, which helps with digestion and absorption. When these two factors are combined, the digestion time of oatmeal is relatively fast and takes about two to three hours.

How long does it take for the stomach to empty? ›

After a meal, it normally takes 1 1/2 to two hours for food to move out of the stomach and into the small intestine. When your stomach takes longer than normal to empty, it's called gastroparesis. If food stays in your stomach for too long, it can harden into a solid mass called a bezoar.

What food takes the longest to digest? ›

Meat and fish can take as long as 2 days to fully digest. The proteins and fats they contain are complex molecules that take longer for your body to pull apart. By contrast, fruits and vegetables, which are high in fiber, can move through your system in less than a day.

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