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10 Simple Ways to Increase Fiber in Your Diet

By Kashi Read more articles, breakfast, digestive health, fiber, healthy eating, healthy weight loss, heart health, nutrition, and snacking
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Fiber, a carbohydrate found in plant foods that is not digested by the body, is an important nutrient with countless health benefits. Eating fiber has been shown to lower cholesterol, normalize blood glucose, and alleviate constipation. Emerging research also points to fiber’s potential role in lowering risk for heart disease and diabetes. Increasing your fiber can also aid in weight loss because fiber-rich meals are digested more slowly and can help make you feel fuller longer.

If you think adding fiber to your diet means gnawing on cardboard, think again! We’ve put together 10 easy steps to help you increase your fiber intake while adding flavor and variety to your diet.

1. Choose a wide variety of fiber sources

Plant foods provide two types of fiber: soluble fiber (which increases the feeling of fullness) and insoluble fiber (which aids the digestive system and promotes regularity). Peas, beans, oats, and fruits are the best sources of soluble fiber, while whole grains and vegetables provide the majority of insoluble fiber.

2. Pick whole grain foods over refined carbohydrates

Whole grain foods are a natural source of dietary fiber. Unlike refined carbohydrates (think white bread), whole grains retain the kernel’s fiber-rich outer shell, known as bran. To identify whole grains, look for these ingredients on labels: whole wheat, hard red winter wheat, barley, triticale, oats, barley, rye, brown rice, buckwheat, millet, oatmeal, and bulgur. Find 5 Easy Ways to Eat More Whole Grains.

3. Begin your day with a fiber boost

You’ve probably heard that breakfast is the most important meal of the day, but starting your day with the right kind of fuel is equally important. Choose breakfast cereals with at least 3 grams of fiber per serving, opt for whole wheat toast, or grab a handful of fiber-rich berries. Get Breakfast Ideas to Jump Start Your Day.

4. Pick high-fiber snacks when the midday munchies hit

Avoid high-calorie, high-fat and low-fiber vending machine options by packing fiber-rich snacks. Perfect answers to an afternoon slump include whole grain crackers, granola bars, homemade trail mix (like this Sweet Hearts Trail Mix, mixed nuts, and dried figs or apricots. Popcorn—a whole grain—is another high-fiber snack. Learn more about Snacking Smart On the Run.

5. Add fresh fruit to every meal

Whether added to cereal, eaten as a snack, or enjoyed as a simple dessert, fresh fruit is a sweet way to add fiber to your diet. The fruits highest in fiber include apples, pears, oranges, and strawberries.

6. Load up on legumes

High-fiber legumes &mdash like beans, peas, and lentils — are among the best sources of fiber. Add one serving to your day by incorporating legumes into salads, soups, and casseroles, or puree them to make a delicious dip.

7. Explore the globe

American food tends to be lower in fiber than other ethnic cuisines. Take your taste buds on an adventure and add fiber to your diet by dining on Mexican, Middle Eastern, and Mediterranean fare. Tasty options include black bean burritos, hummus, tabbouleh, bean salads, and whole wheat couscous.

8. Bake your own high-fiber goodies

Pump up the fiber content of your own baked goods by using whole wheat flour in place of all purpose white flour (finely milled whole wheat pastry flour is a gentle shift) in recipes, adding oatmeal to cookies, or loading homemade muffins with raisins, berries, or bananas. Try Kashi® Zucchini Nut Muffins, Kashi® Friendly Fiber Muffins, or Kashi™ Blackberry Bars to get started.

9. Take it slow

Most Americans eat far less than the recommended 25 to 38 grams of fiber per day. Yet making rapid changes to your diet is not advised. Increase fiber gradually to prevent excess gas and bloating and to allow your gastrointestinal tract time to adjust.

10. Don't forget to hydrate

As you increase your fiber intake, increase your fluids as well. Fiber pulls water into the intestines. Without adequate hydration, fiber can actually aggravate rather than alleviate constipation. So try to drink at least eight glasses of water a day.

With a little creativity, some pre-planning, and a few new additions to your grocery list, you’ll be well on your way to meeting your daily fiber requirements with wholesome, delicious foods. Just be sure not to overwhelm yourself with too many changes at once. Pick one or two ideas to try each week and stick with those that work best for you and your family.


Have something to add? Share it here.

  1. User_48

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    Theese are really helpful tips, if only I could remember it all.

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    tinkerpickle commented on this. over 2 years ago

    I feel its very hard to get fiber in each of my whole family’s meals, so everyone in my home takes 2 gummy vitamins each morning with a daily serving of fiber in it.

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      DIX6IX about 1 year ago

      ya i know that feeling, i have to essentially buy myself some personal groceries because my family dont eat realy healthy. Its nice to see that you are making an effort for your families health.

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    buggy3 commented on this. over 2 years ago

    I love fiber and take in each meal.It don’t have to cost alot to?Go to your local bulk store & buy dry beans(i so love black peas,red beans)you just soak over night & ready to cook the next day!also brown rice,natural nuts,organic peanut butter or I make home made to,jam and organic honey,sugarcane to.. my kids love grains & I save much more buying bulk bin & making home made:)pecae

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    herbuveaux commented on this. over 2 years ago

    Kashi Go Lean Crunch I love you…but you give me such TERRIBLE GAS! I’ve found mention of others with this problem all over the internet, strangely not here on Kashi’s site. I don’t actually think it’s a fiber problem like others have mentioned- I think it’s something to do with the type or source of protein in the cereal. Anyone else encountered this? I am really honestly sad about this because I like the cereal! I would eat it every day if it didn’t lead to such socially-awkward moments. And I agree with the other posters who say farting is fun— but there’s a reason for the social stigma. No one should have to smell the inside of someone else’s bowels!

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    mandiesnow commented on this. almost 3 years ago

    mmm i love fiber.
    farting is fun, too bad theres a social stigma eh?
    GASSY FIBER LOVERS UNITE!

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      FIberFan over 1 year ago

      I’m with you Mandie! I wish I could find more women that thought the way you do.

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    babygirl1 commented on this. almost 3 years ago

    I try to eat correctly and cook for my health. Just got married and although he has many health problems, my husband is a white bread freak!! and has an aversion to anything that is healthy. How do I cure this unhealthy southern style eater?

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    kagerou commented on this. almost 3 years ago

    I know lots of people are talking about the side affects of fiber (gas), but I am curious if gas is really bad for your health (assuming you don’t get bloated). Chances are I’ll be seeing a nutritionist and getting feedback soon.

    I eat Kashi every morning unless I decide to have pancakes, but I’m always using something whole grain so I’m getting daily fiber counts higher than the average.

  10. User_48
    manna commented on this. over 3 years ago

    This is an excellent recommendation to boost fiber intake , howeher , reading some recent article of yours and this one and even FDA recommendation , all seems to forget to answer how much soluble Dietary Fiber(SDF) and how much Insoluble Dietary Fiber(IDF) since according to nutritionist including your self , SDF is more important than IDF , but unfortunately natural SDF is very scarse to get and IDF is abundent (Whole grains of USA (bran) & legumes ) eg the best and highest source of SDF is an apple with only 2g , all other fruits have very low SDF , in addition e1ual amount or more of IDF are included in the apple which hinder the use of SDF to get say 20g SDF and 5g IDF so you cannot take 11apples because this will compell you to eat 22g of IDF which will either cause IBS or sweep away good minerals in your gut , the only answer to this dilemma is Gum Arabic , since it is the only natural source with 85% SDF and at the same time has ZERO IDF + calcium 10times more than fresh cow milk! Yet all nutritionist seems to ignore this miracle product of NATURE , it is the only Natural white powder convenient too , safe (ADI Unlimited use acc to WHO/FAO) and cost effective , environmentally friendly and create Jobs for the poor poeple of DARFUR in Sudan , Chad
    We as proud members of Kashi must promote this very important product of nature to fight LifeStyle diseases , Poverty and Global Warming B Rgds Manna

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    ramenboy331 commented on this. over 3 years ago

    everyone listen to celt _ flaxseed works…
    ...lowfat yogurt+flaxseed+mixed fruit (bananas, blueberries,strawberries,mango,ect…)+3tsp lemon juice=YUM

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    ramenboy331 commented on this. over 3 years ago

    healthy2’s kitty looks sooo CUTE!!!!!

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    Isa commented on this. over 3 years ago

    It is very important to read about fiber. Definately take into consideration the whole ‘taking it slow’ method, it works! A long time ago, my doctor asked me to include fiber in my diet, the first thing I did was the wrong thing, I included way too much! After the side effects, I was terrified of fiber.

    Do it the right way. Actually read about it. Not only from one source but several. Find things you like and add a few into your diet, a couple per week. It worked out great for me!

    I havent had any problems with fiberlicious foods being costly, I dont know where some of you are shopping but, you better look around =)

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    rlndjs commented on this. over 3 years ago

    Yeah I think that the whole adding fiber to your diet is a good thing and all, but all the hastle of going thru it is hard! and sometimes it is’nt cheap either!

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    zionita commented on this. over 3 years ago

    I keep Kashi Cinnamon squares in a plastic container on my kitchen counter a grab a few squares when I need a quick snack or crunch. It’s a reminder to me —-Kasni is better substitute for any salty crunchy snack.

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    jmbabs commented on this. over 3 years ago

    I’m eating a ton more avocado’s, lentils that I’ve been creating dishes using, (adding it to brown rice is a great combination) and adding flax seeds and wheat germ to my fruit smoothies every day. Lots of leafy green salad vegies (no iceburg lettuce here) and adding fresh Italian parsley to the salad makes a nice herb mix with spinach and mixed baby greens. Adding snacks like pumpkin and sunflower seeds to your salads or an afternoon snack is wonderful. I’m going to try some of Kashi’s recipes with my family. We’re now quasi vegetarians and I’m always looking for good wholesome recipe’s to add to my collection.

  17. User_48
    kelsey826 commented on this. almost 4 years ago

    I eat a lot of fiber and to lower fat on my stomach, I eat a bowl of kashi high fiber cereal and drink a lot of water throughout the day. In the evening I either eat a dinner of Kashi or organic turkey burgers.

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    celt commented on this. almost 4 years ago

    I put ground flaxseed into many things , from oatmeal to protien shakes . It is nearly flavorless and you feel fuller .

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    LikesOats commented on this. almost 4 years ago

    Oh! So THAT’S why I’m so thirsty all the time. My husband thinks I’m crazy for all the water I drink – but I’m a fiber junky so that must be a big part of it! Thanks.

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    healthy2 commented on this. almost 4 years ago

    I enjoy the Kashi high fibre cereal anytime during the day, I add blueberries or diced apples for extra nutrional balance. I take along some cereal in a zip lock bag as a snack, aumenting that with a low fat yogurt drink as a healthy choice. My advise with adding fibre into the diet is to start slowly until the body adjusts, remember to increase water uptake along with the fibre – you’ll feel full.

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    Mouri commented on this. almost 4 years ago

    Last week I found these snack bars that were loaded with fiber and they were so good! I also tried this new cereal that had 13g per serving and it didnt taste like I was eating cardboard. These two things alone increased my fiber which I thought was great…until the gas started! My oldest sister just thought it was the funniest thing ever and she was the one who actually got me to start eating healthier and more natural foods. The gas has subsided now thank goodness!

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    VLWOOD commented on this. almost 4 years ago

    I tried my first bag of legumes and just love them. Boil according to the package. I only added salt, no meat or fat at all and they are wonderful. They do not require soaking and cook pretty quickly compared to dried beans. I was surprised.

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    shutch4800 commented on this. almost 4 years ago

    Eating excess amounts of fiber may cause gas—if you take on eating too much too quickly. Don’t shock your system; start adding amounts of fiber into your diet gradually and problems of that nature should lesson. The positive benefits of fiber completely outweigh the few downsides.

  24. User_48
    jamiefitzpatrick commented on this. almost 4 years ago

    I’m going to try that hing stuff … uh … for … eeer … my husband! :)

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    psnow commented on this. about 4 years ago

    Which beans/legumes are the “best” and how exactly do you prepare beans?! I bought all kinds of beans (dry) at the store and made a mess trying to prepare them…help!

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    renu commented on this. about 4 years ago

    i love fiber food like beans and whole grains. Being an Indian vegetarian my basic diet is wheat floor made chapati and i add little hing (asafoetida) in my vegetable and lentils which make my food with flavour and without gas

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    patrickd379 commented on this. about 4 years ago

    Getting enough fiber in your diet cost a lot of money. Watch are some suggestions for foods that are healthy and priced resonable

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    andreamjackson22 commented on this. over 4 years ago

    That sounds great. I will definitely try that for dinner.

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    Punchbug30 commented on this. over 4 years ago

    I totally agree with you! I love to eat black beans, brown rice, and salmon for dinner, and your right I stay full all night.

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    aneube commented on this. over 4 years ago

    I find that when I combine high fiber items, like black beans, with whole grain carbs, like brown rice, I stay full so much longer. I highly recommend it. Also, eat slower and you won’t have so many side effects!

  31. User_48
    worrelkm commented on this. over 4 years ago

    If you can find a local Indian grocery you’ll find a product called asafoetida powder (or hing powder). A pinch of this in your legumes and your gas problems will be greatly reduced.

  32. User_48
    stl_aer commented on this. over 4 years ago

    All of this talk about fiber but no talk about the side effects and how to minimize them. Specifically the GAS associated with getting enough fiber. I won’t eat something if I know it gives me raunchy gas.