What Foods are High in Fiber?

If you’re looking to improve your diet, one of the simplest changes you can make is eating more fiber-rich foods, but Which Foods are High in Fiber? Fiber is an essential nutrient that supports healthy digestion, helps you feel full longer, promotes heart health, and can help maintain healthy blood sugar levels. Fortunately, many delicious everyday foods are naturally high in fiber, making it easy to boost your intake with every meal. You don’t have to go on some crazy diet, but slide a few in here and there to start. It is just that easy.

Check out some of our other posts on high-fiber foods like What are Fava Beans? or What Vegetables are in the Cabbage Family?.

Foods high in fiber from overhead on a wood background..

Why Is Fiber Important?

Fiber is a type of carbohydrate that your body can’t fully digest. Instead of being broken down for energy, it passes through your digestive system, providing numerous health benefits.

A diet rich in fiber may help:

Support healthy digestion and regular bowel movements
Promote a healthy gut microbiome
Keep you feeling fuller for longer
Support healthy cholesterol levels
Help maintain stable blood sugar levels
Contribute to heart health
Aid in healthy weight management

Best High-Fiber Foods

Fruits

Many fruits are naturally high in fiber while also providing vitamins and antioxidants.

Some excellent choices include:

Apples (with the skin)
Pears
Strawberries
Raspberries
Blackberries
Blueberries
Oranges
Figs
Avocados
Kiwi
Prunes

Vegetables

Vegetables provide both soluble and insoluble fiber along with important vitamins and minerals.

Great options include:

Broccoli
Brussels sprouts
Carrots
Sweet potatoes
Artichokes
Green peas
Spinach
Kale
Beets
Corn

Legumes

Beans and legumes are among the richest sources of dietary fiber.

Include more:

Black beans
Kidney beans
Chickpeas
Lentils
Navy beans
Pinto beans
Split peas
Edamame

Whole Grains

Choose whole grains over refined grains whenever possible.

Some fiber-rich options include:

Oats
Barley
Quinoa
Brown rice
Whole wheat bread
Whole wheat pasta
Bulgur
Farro
Bran cereal

Nuts and Seeds

These nutrient-dense foods provide fiber along with healthy fats and protein. Adding these to salads and meals is easy and delicious.

Try adding:

Chia seeds
Flaxseed; these need to be ground to get the full benefit
Almonds
Pistachios
Walnuts
Pumpkin seeds
Sunflower seeds

Soluble vs. Insoluble Fiber

There are two main types of dietary fiber, and both play an important role in a healthy diet.

Soluble Fiber

Soluble fiber dissolves in water to form a gel-like substance. It may help support healthy cholesterol levels and steady blood sugar.

Foods rich in soluble fiber include:

Oats
Apples
Citrus fruits
Beans
Lentils
Barley
Chia seeds

Insoluble Fiber

Insoluble fiber adds bulk to stool and helps food move through the digestive tract.

Good sources include:

Whole wheat products
Brown rice
Nuts
Seeds
Cauliflower
Green beans
Leafy greens

Easy Ways to Eat More Fiber

Add berries to your morning oatmeal or yogurt.
Snack on fresh fruit instead of processed snacks.
Choose whole grain breads and cereals.
Include beans in soups, salads, tacos, and chili.
Sprinkle chia seeds or ground flaxseed into smoothies.
Add extra vegetables to casseroles, pasta dishes, and stir-fries.
Keep the skins on apples and potatoes whenever possible.
Snack on nuts instead of chips or crackers.

Frequently Asked Questions

How much fiber do adults need?

Most adults should aim for about 25 grams of fiber per day for women and 38 grams per day for men, though individual needs vary based on age and activity level.

Can you eat too much fiber?

Increasing fiber too quickly may cause bloating or gas. Gradually increase your fiber intake and drink plenty of water to help your digestive system adjust.

What foods have the most fiber?

Legumes such as lentils, black beans, and chickpeas are among the highest-fiber foods. Chia seeds, raspberries, pears, artichokes, oats, and bran cereals are also excellent sources.

Is fruit a good source of fiber?

Yes! Many fruits—including apples, pears, raspberries, blackberries, and avocados—are naturally high in fiber, especially when eaten with their skins (where applicable).

Does cooking vegetables reduce their fiber?

Cooking can change the texture of vegetables, but most of their fiber remains intact. Both raw and cooked vegetables are excellent sources of dietary fiber.