In This ArticleView AllIn This ArticleOur Top PicksReviewsWhen Should I Take a Fiber Supplement?The Bottom LineChoosing the Right OneOur SearchCommon QuestionsOur Trusted Expertise
In This ArticleView All
In This Article
View All
Our Top Picks
Reviews
When Should I Take a Fiber Supplement?
The Bottom Line
Choosing the Right One
Our Search
Common Questions
Our Trusted Expertise
Photo:EatingWell / Henry Wortock
EatingWell / Henry Wortock
Fiber is a powerful nutrient—it can helpbolster your gut and heart healthand even help manage your weight and blood sugar levels. Yet only 5% of men and 9% of women get enough fiber on a daily basis.The current U.S. dietary guidelines recommend consuming 14 grams of fiber for every 1,000 calories you eat. But if whole grains, legumes, fruits and vegetables aren’t regulars on your plate, you’re likely not meeting the daily recommendation. That’s when a supplement can help.
There are a lot of fiber supplements to choose from, though. To bring you these recommendations, we researched a variety of fiber supplements—from the most common and popular to the most rigorously tested. Then, we spoke to registered dietitians about the criteria for selecting a quality supplement as well as asked for their top recommendations.
EatingWell’s Supplement Philosophy & Methodology
Our Top PicksBest Overall:Viva Naturals Organic Psyllium Husk Powder at Amazon$18Jump to ReviewAlso Great:Organic India Whole Husk Psyllium Powder at Amazon$20Jump to ReviewBest Value:SALENOW Supplements Psyllium Husk Powder at Amazon$13$10Jump to ReviewBest Gummy:Metamucil Fiber Supplement Gummies at Amazon$26Jump to ReviewBest for Kids:SALETomorrow’s Nutrition Prebiotic Fiber Supplement at Amazon$80$65Jump to ReviewBest for Travel:Regular Girl On-the-Go Fiber and Probiotic Support at Amazon$35Jump to Review
Best Overall:Viva Naturals Organic Psyllium Husk Powder at Amazon$18Jump to ReviewAlso Great:Organic India Whole Husk Psyllium Powder at Amazon$20Jump to ReviewBest Value:SALENOW Supplements Psyllium Husk Powder at Amazon$13$10Jump to ReviewBest Gummy:Metamucil Fiber Supplement Gummies at Amazon$26Jump to ReviewBest for Kids:SALETomorrow’s Nutrition Prebiotic Fiber Supplement at Amazon$80$65Jump to ReviewBest for Travel:Regular Girl On-the-Go Fiber and Probiotic Support at Amazon$35Jump to Review
Best Overall:Viva Naturals Organic Psyllium Husk Powder at Amazon$18Jump to Review
Best Overall:Viva Naturals Organic Psyllium Husk Powder at Amazon$18
Best Overall:
Also Great:Organic India Whole Husk Psyllium Powder at Amazon$20Jump to Review
Also Great:Organic India Whole Husk Psyllium Powder at Amazon$20
Also Great:
Best Value:SALENOW Supplements Psyllium Husk Powder at Amazon$13$10Jump to Review
Best Value:SALENOW Supplements Psyllium Husk Powder at Amazon$13$10
Best Value:
SALE
Best Gummy:Metamucil Fiber Supplement Gummies at Amazon$26Jump to Review
Best Gummy:Metamucil Fiber Supplement Gummies at Amazon$26
Best Gummy:
Best for Kids:SALETomorrow’s Nutrition Prebiotic Fiber Supplement at Amazon$80$65Jump to Review
Best for Kids:SALETomorrow’s Nutrition Prebiotic Fiber Supplement at Amazon$80$65
Best for Kids:
Best for Travel:Regular Girl On-the-Go Fiber and Probiotic Support at Amazon$35Jump to Review
Best for Travel:Regular Girl On-the-Go Fiber and Probiotic Support at Amazon$35
Best for Travel:
Best OverallViva Naturals Organic Psyllium Husk PowderPHOTO: Amazon$18 at Amazon$27 at WalmartView on Vivanaturals.com
Best OverallViva Naturals Organic Psyllium Husk Powder
Best Overall
Viva Naturals Organic Psyllium Husk Powder
PHOTO: Amazon
$18 at Amazon$27 at WalmartView on Vivanaturals.com
Form:Powder |Type:Psyllium |Fiber per serving:4 g per teaspoon |Servings per container:136 |Independently verified:YesWhat we like:It’s organic and made with a research-backed form of fiber that has proven health benefits.
What to know:This product is made in a facility that also processes peanuts, tree nuts, milk, and soy, so this product may not be OK if you have an allergy to any of these foods.
Each teaspoon provides 4 g of fiber, and you’ll want to start with just one teaspoon a day to get your body acclimated to the extra fiber. Viva Naturals is certified organic, non-GMO, gluten-free and packaged in the U.S. Each batch is independently verified for quality and purity. “The texture of this fiber is soft and smooth, so you can stir it into water or shakes and mix it into the batter of baked goods,” the Nutrition Twins say. Plus, it’s easily accessible on Amazon, and if you aren’t satisfied, we love their refund policy—you can return it, no questions asked.
PHOTO: EatingWell / Henry WortockPHOTO: EatingWell / Henry WortockPHOTO: EatingWell / Henry Wortock
Also GreatOrganic India Whole Husk Psyllium PowderPHOTO: Amazon$20$18 at AmazonForm:Powder |Type:Psyllium |Fiber per serving:4 g per tablespoon |Servings per container:68 |Independently verified:YesWhat we like:It’s organic, Fairtrade-certified, and independently verified, and psyllium is a well-studied form of fiber that’s linked with many health benefits.What to know:It gets gelatinous quickly, so you’ll want to drink it right away after mixing it into water.This single-ingredient psyllium powder is a great pick if you’re looking to reap all the benefits of fiber, such as better digestion, constipation relief, and improved cholesterol levels. Every batch of this organic psyllium is tested for purity, including for heavy metals, and in accordance with standards from the American Herbal Products Association (AHPA). “We also appreciate that Organic India is a Fairtrade-certified company and was named among the top 5% of B Corps for Community in 2022 for meeting the highest standards of social and environmental performance, public transparency and accountability,” the Nutrition Twins say.There’s nothing added, no sugar, no additives—it’s just psyllium. Each serving contains 4 g of fiber, and you can add it to homemade baked goods and smoothies, or you can just mix it into water and drink it on its own. If you’re mixing it with a liquid, make sure to sip it right away because it gets gelatinous fast.PHOTO: EatingWell / Henry WortockPHOTO: EatingWell / Henry WortockPHOTO: EatingWell / Henry Wortock
Also GreatOrganic India Whole Husk Psyllium PowderPHOTO: Amazon$20$18 at Amazon
Also GreatOrganic India Whole Husk Psyllium Powder
Also Great
Organic India Whole Husk Psyllium Powder
$20$18 at Amazon
Form:Powder |Type:Psyllium |Fiber per serving:4 g per tablespoon |Servings per container:68 |Independently verified:YesWhat we like:It’s organic, Fairtrade-certified, and independently verified, and psyllium is a well-studied form of fiber that’s linked with many health benefits.
What to know:It gets gelatinous quickly, so you’ll want to drink it right away after mixing it into water.
This single-ingredient psyllium powder is a great pick if you’re looking to reap all the benefits of fiber, such as better digestion, constipation relief, and improved cholesterol levels. Every batch of this organic psyllium is tested for purity, including for heavy metals, and in accordance with standards from the American Herbal Products Association (AHPA). “We also appreciate that Organic India is a Fairtrade-certified company and was named among the top 5% of B Corps for Community in 2022 for meeting the highest standards of social and environmental performance, public transparency and accountability,” the Nutrition Twins say.
There’s nothing added, no sugar, no additives—it’s just psyllium. Each serving contains 4 g of fiber, and you can add it to homemade baked goods and smoothies, or you can just mix it into water and drink it on its own. If you’re mixing it with a liquid, make sure to sip it right away because it gets gelatinous fast.
Best ValueNOW Supplements Psyllium Husk PowderPHOTO: Amazon$13$10 at Amazon$10 at IHerbView on Nowfoods.com
Best ValueNOW Supplements Psyllium Husk Powder
Best Value
NOW Supplements Psyllium Husk Powder
$13$10 at Amazon$10 at IHerbView on Nowfoods.com
Form:Powder |Type:Psyllium |Fiber per serving:7 g per tablespoon |Servings per container:38 |Independently verified:YesWhat we like:This brand undergoes rigorous lab testing, and psyllium fiber is well-studied for providing a multitude of health benefits.
What to know:One serving contains 7 g of fiber, so you may want to start with half a serving per day until your body gets used to the extra fiber.
Best GummyMetamucil Fiber Supplement GummiesPHOTO: Amazon$26 at Amazon$16 at Target$23 at WalmartForm:Gummy |Type:Inulin and Fibersol |Fiber per serving:5 g per three gummies |Servings per container:35 |Independently verified:NoWhat we like:These gummies don’t contain any added sugar and provide a respectable 5 g of fiber per serving.What to know:It contains a form of fiber (inulin and Fibersol) that isn’t associated with as wide a range of health benefits as psyllium.If you can’t get behind the idea of drinking a fiber-filled liquid every day, try going the gummy route. Metamucil’s Fiber Gummies are sugar-free—a major plus, since most gummy supplements can contain upwards of 5 g of sugar per serving. They’re sweetened with the sugar alcohol xylitol and contain two types of prebiotic soluble fibers: inulin and Fibersol.Unlike psyllium, inulin isn’t viscous and does not form into a gel in the body, which also means that it doesn’t offer health benefits such as lower cholesterol and better blood sugar control.But most fiber gummy supplements are made with inulin, and we couldn’t find any psyllium fiber gummies on the market. Still, inulin is shown to increase good bacteria in the gut, helping bolster gastrointestinal health, according to a 2022 review.And while many fiber gummies contain fructooligosaccharides (FOS) as their main source of fiber, we like that Metamucil’s product is made with Fibersol, which has been shown to cause less gastrointestinal discomfort than FOS.One serving of three gummies has 5 g of fiber and the orange flavor makes these super easy to take.PHOTO: EatingWell / Henry WortockPHOTO: EatingWell / Henry WortockPHOTO: EatingWell / Henry Wortock
Best GummyMetamucil Fiber Supplement GummiesPHOTO: Amazon$26 at Amazon$16 at Target$23 at Walmart
Best GummyMetamucil Fiber Supplement Gummies
Best Gummy
Metamucil Fiber Supplement Gummies
$26 at Amazon$16 at Target$23 at Walmart
Form:Gummy |Type:Inulin and Fibersol |Fiber per serving:5 g per three gummies |Servings per container:35 |Independently verified:NoWhat we like:These gummies don’t contain any added sugar and provide a respectable 5 g of fiber per serving.
What to know:It contains a form of fiber (inulin and Fibersol) that isn’t associated with as wide a range of health benefits as psyllium.
If you can’t get behind the idea of drinking a fiber-filled liquid every day, try going the gummy route. Metamucil’s Fiber Gummies are sugar-free—a major plus, since most gummy supplements can contain upwards of 5 g of sugar per serving. They’re sweetened with the sugar alcohol xylitol and contain two types of prebiotic soluble fibers: inulin and Fibersol.
Unlike psyllium, inulin isn’t viscous and does not form into a gel in the body, which also means that it doesn’t offer health benefits such as lower cholesterol and better blood sugar control.But most fiber gummy supplements are made with inulin, and we couldn’t find any psyllium fiber gummies on the market. Still, inulin is shown to increase good bacteria in the gut, helping bolster gastrointestinal health, according to a 2022 review.And while many fiber gummies contain fructooligosaccharides (FOS) as their main source of fiber, we like that Metamucil’s product is made with Fibersol, which has been shown to cause less gastrointestinal discomfort than FOS.
One serving of three gummies has 5 g of fiber and the orange flavor makes these super easy to take.
Best for KidsTomorrow’s Nutrition Prebiotic Fiber SupplementPHOTO: Amazon$80$65 at Amazon$65 at Gnc.comView on Tomorrowsnutrition.comForm:Powder |Type:Sunfiber guar fiber |Fiber per serving:6 g per scoop |Servings per container:90 |Independently verified:YesWhat we like:Unlike other fiber powders, Sunfiber is tasteless and dissolves easily, making it easy to sneak into applesauce or oatmeal; plus, it’s organic and independently verified.What to know:You may have to start with half the suggested serving to get your child’s digestive system used to the extra fiber.Sunfiber dissolves quickly into applesauce, yogurt, cereal, milk, or water without affecting the texture or flavor of foods, which means even picky eaters likely won’t notice the extrafiber in their snackor breakfast.“Sunfiber is a prebiotic fiber that ferments slowly, which is ideal for preventing gas and bloating that often occurs from other fibers, and also produces short-chain fatty acids that offer many health benefits,” the Nutrition Twins say. The type of fiber in this supplement is shown to help lower high blood sugar and high cholesterol, promote satiety, and even help relieve diarrhea, per a 2019 study.Sunfiber is ideal for kids because zero chemicals, preservatives or additives are used or added during any of its growth or production. It’s organic and Detox Project certified, which means it doesn’t contain harmful additives and chemicals that may be in other fiber supplements. It’s also Clean Label Certified and Tru-ID Certified, meeting strict criteria of showing what’s in its products and clearly and accurately identifying the prebiotic strains, the Nutrition Twins say. Each serving of Sunfiber has 6 g of fiber, which is appropriate for kids ages above 9 months—but it’s still best to check with your child’s pediatrician before adding a new supplement to their routine.PHOTO: EatingWell / Henry WortockPHOTO: EatingWell / Henry WortockPHOTO: EatingWell / Henry Wortock
Best for KidsTomorrow’s Nutrition Prebiotic Fiber SupplementPHOTO: Amazon$80$65 at Amazon$65 at Gnc.comView on Tomorrowsnutrition.com
Best for KidsTomorrow’s Nutrition Prebiotic Fiber Supplement
Best for Kids
Tomorrow’s Nutrition Prebiotic Fiber Supplement
$80$65 at Amazon$65 at Gnc.comView on Tomorrowsnutrition.com
Form:Powder |Type:Sunfiber guar fiber |Fiber per serving:6 g per scoop |Servings per container:90 |Independently verified:YesWhat we like:Unlike other fiber powders, Sunfiber is tasteless and dissolves easily, making it easy to sneak into applesauce or oatmeal; plus, it’s organic and independently verified.
What to know:You may have to start with half the suggested serving to get your child’s digestive system used to the extra fiber.
Sunfiber dissolves quickly into applesauce, yogurt, cereal, milk, or water without affecting the texture or flavor of foods, which means even picky eaters likely won’t notice the extrafiber in their snackor breakfast.
“Sunfiber is a prebiotic fiber that ferments slowly, which is ideal for preventing gas and bloating that often occurs from other fibers, and also produces short-chain fatty acids that offer many health benefits,” the Nutrition Twins say. The type of fiber in this supplement is shown to help lower high blood sugar and high cholesterol, promote satiety, and even help relieve diarrhea, per a 2019 study.
Sunfiber is ideal for kids because zero chemicals, preservatives or additives are used or added during any of its growth or production. It’s organic and Detox Project certified, which means it doesn’t contain harmful additives and chemicals that may be in other fiber supplements. It’s also Clean Label Certified and Tru-ID Certified, meeting strict criteria of showing what’s in its products and clearly and accurately identifying the prebiotic strains, the Nutrition Twins say. Each serving of Sunfiber has 6 g of fiber, which is appropriate for kids ages above 9 months—but it’s still best to check with your child’s pediatrician before adding a new supplement to their routine.
Best for TravelRegular Girl On-the-Go Fiber and Probiotic SupportPHOTO: Amazon$35 at Amazon$35 at WalmartView on Regulargirl.com
Best for TravelRegular Girl On-the-Go Fiber and Probiotic Support
Best for Travel
Regular Girl On-the-Go Fiber and Probiotic Support
$35 at Amazon$35 at WalmartView on Regulargirl.com
Form:Powder |Type:Sunfiber guar fiber |Fiber per serving:5 g per packet |Servings per container:30 |Independently verified:YesWhat we like:These come in portable stick packets that dissolve easily in water, and they’re low-FODMAP and independently verified for purity.
Each portable stick contains 5 g of soluble fiber from Sunfiber guar fiber, which dissolves quickly and easily in water. The Nutrition Twins recommend these packets in their practice: “We can attest that these help to keep our clients regular when they travel,” they say.
The Bottom Line: The Best Fiber Supplement
We deemedViva Naturals Organic Psyllium Husk Powder(view on Amazon) the best fiber supplement because it’s independently verified for purity and made with organic psyllium, which is a research-backed form of fiber with proven health benefits.Organic India Whole Husk Psyllium Powder(view on Amazon) is another great option, as it’s also independently verified and contains psyllium. Looking to get your fiber in gummy form? We thinkMetamucil’s Fiber Gummies(view on Amazon) make an ideal choice, although they aren’t independently verified.
Choosing a Fiber Supplement
Look at Form and Fiber Source
When it comes to the different forms of supplements, the first thing to pay attention to is the amount of fiber per serving, the Nutrition Twins say. “Typically, powders contain more fiber than gummies or capsules, so you have to take a lot of capsules or gummies to equal the amount of fiber in a powder. For example, you’d have to take eight psyllium capsules to get the same amount of fiber (3.4 g) in a teaspoon of psyllium husk.” Powders also come with the benefit that they can be added to drinks, which makes them easier to take than swallowing several pills. “Gummies often come with sugar and other additives, although all forms [including powders] may contain sugars or additives as well,” the Nutrition Twins say.
The source of fiber in supplements can vary as much as the form. Some contain fiber from natural plant sources, like oat fiber, oat bran fiber, psyllium husk, flaxseed, inulin (chicory root) or corn fiber, while some can come from synthetic fiber sources or very processed plant sources, such as methylcellulose and guar gum.
Check the Ingredients
Supplements often contain additives and added sugars (especially gummies). Depending on your dietary preferences and health goals, always check the ingredient lists before buying a supplement. Some may be formulated with gluten or made in a facility that processes gluten, so if you have celiac disease or gluten sensitivity, make sure to double-check the label to ensure your supplement is gluten-free. The same goes for any other foods you may be allergic to.
Fiber supplements can also contain good-for-you added ingredients, such as probiotics, which may confer gut health benefits of their own.
Seek Out Independent Verification
Remember that, unlike with medications, the FDA doesn’t review and approve supplements before they go to market. This is why we often recommend that you seek out a supplement that’s independently verified for purity and potency. Many organizations, such as Informed Choice, test supplements—and most of our choices on this list were made based on certifications for the purist and quality standards.
Some manufacturers conduct regular in-house testing (usually instead of independent verification, but sometimes in addition to) and/or use a GMP-certified production facility. And other manufacturers may go further and have certified in-house labs within their facility, which suggests an exceptional commitment to quality.
Our Search for the Best Fiber Supplement
What are the benefits of taking fiber supplements?
“It’s best to get fiber from nutrient-dense whole foods because supplements don’t have the vitamins, minerals and other nutrients that fiber-rich foods do. But fiber supplements can be part of your fiber intake and may be helpful, particularly if you don’t get enough,” the Nutrition Twins say. Fiber supplements can help you meet your daily recommendations and can give you the benefits of fiber, such as helping with constipation and regulating your bowels, supporting heart health, helping improve cholesterol, aiding weight loss and more.
What is a fiber supplement?
A fiber supplement contains dietary fiber, which is a type of carbohydrate that passes through the gastrointestinal tract undigested. That means the body doesn’t break it down like it does other types of carbs (starches and sugars into simple sugars). There are two differenttypes of fiber:
Some fiber supplements (such as the Metamucil gummies we recommend) contain prebiotic fiber. Prebiotic fibers are fermentable, which feeds the good bacteria in our gut and also helps improve digestion. And while not all fibers are prebiotic, all prebiotics are fiber—and many are soluble fiber. Some of the best food sources of prebiotic fiber are asparagus, dandelion greens, onions,sunchokes (also known as Jerusalem artichokes), leeks and garlic, say the Nutrition Twins.
Will a fiber supplement help me lose weight?
“Insoluble fiber is also great for weight loss because it helps to fill you up, and the calories in the fiber don’t get absorbed since they aren’t digested,” the Nutrition Twins say.
How much fiber do I need?
The current dietary guidelines recommend getting 14 g of fiber for every 1,000 calories you eat per day. So, that works out to about 25 g of fiber each day for women and 38 g per day for men.
Eating foods high in fiber can help you meet these recommendations. According to the USDA, some of the best sources of fiber include:
Can I take a fiber supplement if I have a history of GI issues?
“People with GI issues like Crohn’s disease, IBS or a history of a blocked bowel should always talk with their doctor or registered dietitian before taking fiber supplements,” the Nutrition Twins say. “If you are given the go-ahead to use fiber supplements, it’s important to monitor symptoms and always start with a small amount to prevent too much gas as the body adjusts to consuming more fiber.”
It’s also important to drink plenty of fluids when you’re adding more fiber to your diet. “Since fiber supplements can sometimes cause bloating, gas, diarrhea or abdominal pain that is often seen in people with IBS, symptom monitoring is important to ensure the fibers are not making symptoms worse,” the Nutrition Twins say.
April Benshosanhas been reporting on nutrition, health and expert-recommended products from the start of her journalism career. For this article, she interviewed two registered dietitians for their insights on fiber supplements: Tammy Lakatos Shames, RDN, CDN, and Lyssie Lakatos, RDN, CDN, akathe Nutrition Twins.
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SourcesEatingWell uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read oureditorial processto learn more about how we fact-check and keep our content accurate, reliable and trustworthy.Miketinas D, Tucker W, Patterson M, Douglas C.Usual dietary fiber intake in US adults with diabetes: NHANES 2013–2018.Current Developments in Nutrition. 2021;5(Suppl 2):1061. doi: 10.1093/cdn/nzab053_054McRorie JW, McKeown NM.Understanding the physics of functional fibers in the gastrointestinal tract: an evidence-based approach to resolving enduring misconceptions about insoluble and soluble fiber.Journal of the Academy of Nutrition and Dietetics. 2017;117(2):251-264.asukawa Z, Inoue R, Ozeki M, Okubo T, Takagi T, Honda A, Naito Y.Effect of Repeated Consumption of Partially Hydrolyzed Guar Gum on Fecal Characteristics and Gut Microbiota: A Randomized, Double-Blind, Placebo-Controlled, and Parallel-Group Clinical Trial.Nutrients. 2019;11(9):2170. doi: 10.3390/nu11092170
Sources
EatingWell uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read oureditorial processto learn more about how we fact-check and keep our content accurate, reliable and trustworthy.Miketinas D, Tucker W, Patterson M, Douglas C.Usual dietary fiber intake in US adults with diabetes: NHANES 2013–2018.Current Developments in Nutrition. 2021;5(Suppl 2):1061. doi: 10.1093/cdn/nzab053_054McRorie JW, McKeown NM.Understanding the physics of functional fibers in the gastrointestinal tract: an evidence-based approach to resolving enduring misconceptions about insoluble and soluble fiber.Journal of the Academy of Nutrition and Dietetics. 2017;117(2):251-264.asukawa Z, Inoue R, Ozeki M, Okubo T, Takagi T, Honda A, Naito Y.Effect of Repeated Consumption of Partially Hydrolyzed Guar Gum on Fecal Characteristics and Gut Microbiota: A Randomized, Double-Blind, Placebo-Controlled, and Parallel-Group Clinical Trial.Nutrients. 2019;11(9):2170. doi: 10.3390/nu11092170
EatingWell uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read oureditorial processto learn more about how we fact-check and keep our content accurate, reliable and trustworthy.
Miketinas D, Tucker W, Patterson M, Douglas C.Usual dietary fiber intake in US adults with diabetes: NHANES 2013–2018.Current Developments in Nutrition. 2021;5(Suppl 2):1061. doi: 10.1093/cdn/nzab053_054McRorie JW, McKeown NM.Understanding the physics of functional fibers in the gastrointestinal tract: an evidence-based approach to resolving enduring misconceptions about insoluble and soluble fiber.Journal of the Academy of Nutrition and Dietetics. 2017;117(2):251-264.asukawa Z, Inoue R, Ozeki M, Okubo T, Takagi T, Honda A, Naito Y.Effect of Repeated Consumption of Partially Hydrolyzed Guar Gum on Fecal Characteristics and Gut Microbiota: A Randomized, Double-Blind, Placebo-Controlled, and Parallel-Group Clinical Trial.Nutrients. 2019;11(9):2170. doi: 10.3390/nu11092170
Miketinas D, Tucker W, Patterson M, Douglas C.Usual dietary fiber intake in US adults with diabetes: NHANES 2013–2018.Current Developments in Nutrition. 2021;5(Suppl 2):1061. doi: 10.1093/cdn/nzab053_054
McRorie JW, McKeown NM.Understanding the physics of functional fibers in the gastrointestinal tract: an evidence-based approach to resolving enduring misconceptions about insoluble and soluble fiber.Journal of the Academy of Nutrition and Dietetics. 2017;117(2):251-264.
asukawa Z, Inoue R, Ozeki M, Okubo T, Takagi T, Honda A, Naito Y.Effect of Repeated Consumption of Partially Hydrolyzed Guar Gum on Fecal Characteristics and Gut Microbiota: A Randomized, Double-Blind, Placebo-Controlled, and Parallel-Group Clinical Trial.Nutrients. 2019;11(9):2170. doi: 10.3390/nu11092170
