Fibermaxxing means deliberately loading your plate with fiber-rich foods at every meal, and it is one of the biggest nutrition trends of 2026 for a simple reason: most people fall short. The USDA estimates that 90% of women and 97% of men do not hit their daily fiber target. Below are 25 high-fiber foods to add to your grocery list, grouped by category, plus a free printable to keep the full list on your fridge.
Why fiber is having a moment
Fiber does not get the spotlight that protein has had for the last few years, but it is catching up fast. It slows digestion so you feel full longer, feeds the gut bacteria linked to mood and immunity, and helps keep cholesterol and blood sugar steady. The general daily target most nutrition guidelines point to is around 25 grams for women and 38 grams for men, though your needs can vary.
Legumes: the easiest fiber upgrade
Beans and lentils are the most fiber-dense foods you can put on a plate, and they are cheap and easy to keep stocked.
- Lentils: about 15g of fiber per cooked cup
- Black beans: about 15g per cooked cup
- Chickpeas: about 12g per cooked cup
- Split peas: about 16g per cooked cup
- Edamame: about 8g per cup
Whole grains worth switching to
Swapping refined grains for whole ones is one of the lowest-effort fiber upgrades available.
- Oats: about 4g per half-cup dry
- Quinoa: about 5g per cooked cup
- Barley: about 6g per cooked cup
- Brown rice: about 3.5g per cooked cup
- Whole wheat pasta: about 6g per cooked cup
Fruits with the most fiber per serving
- Raspberries: about 8g per cup
- Pears: about 6g with skin on
- Avocado: about 10g per fruit
- Apples: about 4.5g with skin on
- Bananas: about 3g per medium fruit
Vegetables to build meals around
- Broccoli: about 5g per cooked cup
- Brussels sprouts: about 4g per cooked cup
- Artichokes: about 10g per medium artichoke
- Sweet potatoes: about 4g per medium potato, skin on
- Carrots: about 3.5g per cup
Want fibermaxxing with a Mediterranean twist? This chart maps fiber-rich foods to that eating style specifically.
Nuts and seeds that pack the most fiber per ounce
- Chia seeds: about 10g per 2 tablespoons
- Flaxseed: about 8g per 2 tablespoons, ground
- Almonds: about 3.5g per ounce
- Pistachios: about 3g per ounce
- Popcorn: about 3.5g per 3 cups, air-popped
The whole list, in one place
25 foods is a lot to remember mid-grocery-run. A printed list you can check off in the aisle beats trying to recall gram counts from memory, which is exactly what our High Fiber Food List Printable is built for.
Every food from this list, organized on one printable chart you can take straight to the grocery store.
Frequently asked questions
How much fiber should I eat per day?
Most general nutrition guidelines suggest around 25 grams a day for women and 38 grams for men, though individual needs vary. If you are managing a specific digestive condition, check with a doctor or dietitian before making major changes.
What is the fastest way to increase fiber intake?
Swap one refined grain for a whole grain each day, add a serving of legumes to lunch or dinner, and eat fruit with the skin on when you can. Small, repeated swaps add up faster than trying to overhaul every meal at once.
Can I get too much fiber?
Yes. Increasing fiber too quickly can cause bloating or discomfort. Add fiber-rich foods gradually and drink enough water alongside them.
Does fibermaxxing mean I should stop eating protein?
No. Fiber and protein are not competing goals. Many high-fiber foods like lentils, chickpeas, and edamame are also solid protein sources, so a plate built around both is easy to put together.
Want a full week planned out?
The Diverticulosis 7-Day High Fiber Meal Plan takes the guesswork out of what to actually cook.
Get the meal plan →Instant digital download. Print at home, as many times as you like.
This article is for general informational purposes and is not medical advice. If you have a digestive condition or other health concern, talk to a doctor or registered dietitian before changing your diet.
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