Fiber: Your Digestive System’s Gut Health Hero

A woman eating a bowl of health food.

Choose the health content that’s right for you, and get it delivered right in your inbox.

When it comes to nutrients, fiber is the champion hiding in plain sight, quietly working wonders for your health. This essential nutrient does much more than keep your bowel movements regular; it’s a powerful tool for gut health, heart disease prevention and weight management.

Unfortunately, many people don’t consume as much fiber as their bodies need. But there are plenty of high-fiber foods that are good for your health, low in sugar, and not to mention, delicious.

The Importance of Fiber

Fiber is a complex carbohydrate found in plant-based foods that can't be fully digested. Unlike other carbohydrates that break down into sugars for energy, fiber passes through the digestive system mostly intact.

Benefits of fiber include:

  • Cholesterol control: Soluble fiber, a type that dissolves in water, can help lower LDL (bad) cholesterol levels, reducing your risk of heart disease.
  • Diabetes control: Fiber helps regulate blood sugar levels, helping to prevent blood sugar spikes.
  • Weight management: Fiber keeps you feeling fuller for longer, which can help curb cravings and reduce overall caloric intake.

Fiber feeds the good bacteria in your gut, promoting a healthy microbiome. That means better digestion, reduced inflammation and improved immunity for your whole health.

Tips for Adding Fiber to Your Diet

On average, the recommended daily fiber intake is 22 to 28 grams for women and 25 to 38 grams for men. Here are a few ideas for adding more fiber to your diet:

  • Add seeds and nuts: Almonds, walnuts, chia seeds and flaxseeds make tasty, nutrient-rich toppings for breakfast foods and salads.
  • Boost your breakfast: Instead of sugary cereals, start your day with whole grains like oatmeal, oat bran or high-fiber granola; make these healthy foods part of your morning routine.
  • Eat the skins of fruits: The skin of apples, pears, peaches and other fruits is packed with fiber; their color and crunch can make your dishes more appealing.
  • Get your beans: Loaded with fiber and protein, beans can be the star of your meal — think bean burgers or vegetarian chili. Beans also work well as a side dish or as additions to salads, soups or stews. A few options include black beans, chickpeas and kidney beans.
  • Load up on leafy greens: Kale, spinach and Swiss chard are all high-fiber greens. Mix them into salads or cook them in olive oil and garlic for a tasty side.
  • Look for other rich sources of fiber: Berries, citrus fruits and avocados are all fiber-rich fruits. Broccoli, Brussels sprouts and sweet potatoes are also fiber-rich vegetables.
  • Snack smarter: Swap chips and crackers for fiber-rich foods; try sliced apples with almond butter, air-popped popcorn or veggie sticks with hummus.
  • Switch to whole grains: Brown rice, quinoa, whole-wheat bread and whole-wheat pasta have more fiber than refined grains such as white bread and white rice.

Talk to your doctor about adding fiber-rich foods to your diet.

How Much Fiber Do You Need Every Day?

While fiber is an essential nutrient in our daily diet, how much you need to eat depends on several factors, including age and sex. According to the Dietary Guidelines for Americans, the recommended amount of daily fiber is:

  • Women 12 to 30: 22 to 28 grams per day
  • Women 50 and older: 22 grams per day
  • Men 12 to 30: 25 to 34 grams per day
  • Men 50 and older: 28 grams per day

The average American consumes only around 16 grams of fiber daily, which is significantly less than the recommended amount. If you’re looking for high fiber recipes to include in your diet, we’ve got you covered.

The Sugar-Fiber Connection

Increasing your fiber intake is important for better gut health and overall well-being. However, it's important to be mindful of sugary foods when making the transition.

Fiber helps you feel fuller for longer. Sugary treats, on the other hand, can trigger cravings and counteract those benefits. You can avoid blood sugar spikes and support a healthy gut microbiome by opting for naturally sweet, high-fiber fruits instead.

A Note on Fiber Supplements

Fiber supplements are convenient, but they shouldn’t replace whole foods. They can cause bloating and gas, especially in high doses. It’s best to get your fiber from natural sources first.

Talk to your doctor before starting fiber supplements, especially if you have an underlying digestive condition. With some medical issues, such as inflammatory bowel disease, fiber supplements may lead to complications.

Getting Started

When you increase your fiber intake, make sure to do it gradually. Your digestive tract needs time to adjust. Diving in headfirst can cause bloating, gas or cramping.

Start by adding a single high-fiber serving, like a piece of fruit or a handful of nuts, to your daily routine. Add more water to your diet at the same time to help move fiber through your system.

Keep track of how you feel, and slowly increase the amount of fiber over a few weeks. This gentle approach allows your gut bacteria to adapt comfortably, maximizing its benefits without discomfort.

We’ll Help You Thrive in Body, Mind and Spirit

Take the next step toward a healthier you. A primary care physician can help you create a personalized plan to improve your nutrition, which sets you on the path toward whole health and a full life.

You deserve to thrive. Find a doctor in your area today.

Recent Blogs

Item 1 of 5
Blog
Preparing Your Little One for a Doctor Visit
Item 2 of 5
Blog
How to Manage Antidepressant Withdrawal
Item 3 of 5
Blog
Do Women Get Less Sleep Than Men?
Item 4 of 5
Blog
Fourth of July Safety Tips for Your Whole Family
Item 5 of 5
Blog
Is a Lung Transplant the Right Way to Treat Your COPD?
View More Articles