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The 8 Best Fiber Supplements for Constipation and Health in 2023

Fiber may also aid in weight management. A 2019 study suggested that eating dietary fiber, independent of other factors such as calorie intake, helps promote weight loss in adults with overweight or obesity eating a lower-calorie diet.

Best Insoluble Fiber Supplement For Constipation (10 Best Supplements)

Constipation is one of the most common gastrointestinal problems and is defined as incomplete and rare stools or difficult stools that last several weeks or more. It is the opposite of diarrhea.

In the United States, about 4 million people suffer from frequent constipation. Constipation is the most common gastrointestinal disease, which leads to 2.5 million visits to the doctor every year.

Fiber laxatives contain fibers that use water from your intestines to make your stool bulkier. A more extensive chair contracts the intestine and finally evacuates solid waste. It is essential to take bulk products with water to avoid side effects such as bloating and gas.

There are two types of Fiber Laxatives, one is soluble, and the other is insoluble.

Soluble fiber dissolves easily in water and breaks down into a jelly substance in a part of the gut called the large intestine. Insoluble fiber does not dissolve in water and remains intact when food passes through the gastrointestinal tract.

It’s not just health insurance premiums, but also deductibles, that keep on rising. In 2018, the average deductible was $3,000 for a gold-tier family plan, $8,000 for a silver-tier family plan and $12,000 for a bronze-tier family plan, according to USC Annenberg’s Center for Health Journalism.

Insoluble fiber bulks up your stool and acts like a brush, sweeping through your bowels to get everything out and keep things moving. At the same time, The soluble variety absorbs water and forms a gel-like substance. This helps your stool pass smoothly through your bowels and improves its form and consistency.

This study has linked the increased intake of dietary fiber that can benefit several gastrointestinal disorders; one of them is constipation.

The first part ( From 1-5) of this article is about insoluble fiber supplements, while the second part (from 6-10) is about the mixed form (soluble and insoluble).

Best insoluble fiber supplement for constipation

Here we compiled a list of the best insoluble fiber supplements for constipation.

1. Dr. Natura® Unifiber, Natural Fiber Supplement

Dr. Natura Produced from pure and untreated vegetable cellulose, Natura Unifiber has some significant benefits that are particularly useful for people who follow a restrictive diet or take other medications. It is the best insoluble fiber supplement for constipation that you can take immediately. It has no long-term adverse effects on your health.

Dr. Natura Unifiber gives the stool more volume, allowing food to flow more rapidly into the intestine and stomach. This helps prevent and relieve occasional constipation.

Pros

Help occasional constipation
No gas and bloating
Easy to digest
Tasteless
Non-gelling
Gluten-free
Easy to use
Won’t interfere with other medicine
No minimum liquid requirement

Cons

Sometimes it causes nausea
Bad taste

2. Nutricology Dietary Fiber Cellulose

This is another best insoluble fiber supplement for constipation because it affects cholesterol levels and does not feed on unwanted bacteria.

Cellulose is an excellent source of insoluble fiber that can help intestinal function. Unlike soluble fiber, insoluble fiber does not ferment quickly in short-chain fatty acids and does not affect cholesterol levels. Insoluble fiber does not nourish unwanted bacteria.

As a dietary supplement, take one teaspoon mixed with water two or three times a day before meals. Sensitive people may want to start with less or as directed by their healthcare professional.

Pros

Free from Preservatives, diluents, or artificial additives.
It can support bowel function.
One of the best insoluble fiber supplement for constipation

Cons

The taste is not good.

3. Vital Nutrients – Cellulose Fiber

It is one of the best cellulosic fiber sources and provides 15 grams of insoluble fiber per serving. These insoluble fibers make it the best insoluble fiber supplement for constipation and eliminate toxins. It also helps increase stool volume, promote normal daily bowel function, and promote bowel movement in the colon.

Since insoluble fiber in the intestine is not fermentable, it is less likely to cause gas or flatulence. This product does not contain coatings, binders, gluten (wheat, rye, barley), milk/dairy products (casein, whey), soy protein, protein, and sugar.

The amount per serving is two tablespoons (15 grams) containing 15 g of cellulose fiber (source of insoluble fiber). Apart from cellulose, no other ingredients are used.

The normally recommended use is 1 to 2 tablespoons per day in juice, water, or soft foods or directed by a healthcare professional. If you are pregnant, consult your doctor before taking it.

Pros

Third-Party tested and is manufactured in FDA approved facility
Doesn’t contain binders, gluten, egg protein, milk, sugar, etc
All ingredients tested by U.S Labs

Cons

Expensive from other competitors.

4. Reset360 Fiber Love Powder

Do you feel a little late and looking for a greater regularity of the gastrointestinal tract in your life?

Reset360 is there to help you, as it is the best insoluble fiber supplement for constipation. This complete combination of powdered fibers is designed to promote a healthy intestinal transit time and regular bowel function of your body. One serving contains approximately 83% insoluble fiber and 17% soluble fiber, which is entirely adequate to promote healthy bowel activity.

The ingredients in this formula are rice bran, isomalto-oligosaccharide, oat fiber, apple fiber, cellulose, olive oil, and d-alpha-tocopherol acetate (antioxidant).

The regular use is Mix, shake, or vigorously mix one tablespoon in 8 ounces of juice or other beverage, or as prescribed by your doctor.

Pros

Gluten-Free
Non-GMO
Vegetarian
Blend well
Best for occasional constipation and weight management
Best insoluble fiber supplement for constipation

Cons

Sometimes it causes stomach problems
Price is high as compared to other competitors

5. Botanica Research Adult Fiber Gummies

This formula acts as an appetite suppressant to prevent you from being too hungry. The gummy formula supports explicitly digestive health, and by promoting regularity and digestion, you will immediately notice a higher level of energy. This is the best insoluble fiber supplement for constipation and weight loss.

By optimizing your digestive system, our fibrous gum fibers reduce the time needed for the colon.

The recommended use is the daily intake of 3 gels as a dietary supplement or as directed by your doctor.

Overall, it is a great product. I would recommend it to anyone who wants to start digestion or help with weight loss.

Pros

Gluten-free
Taste is good

Cons

Gassy
You have to take 3 Gummy Fiber a day.

Soluble and Insoluble Fiber Supplements (Mix)

Here is a list of both soluble and insoluble fiber supplements for constipation and other GI health.

6. Garden of Life Raw Organic Superfood Fiber

This raw fiber contains 9 grams of fiber per serving (36% of the daily value) and 7 grams of protein, probiotics, and omega-3 fatty acids for health.

Garden Of Life consists of 15 raw organic superfoods, including sprouted seeds, cereals, and legumes.

It supports intestinal health, regular bowel function, cardiovascular function, and general health. It also promotes the healthy excretion of toxins while maintaining healthy blood sugar levels and cholesterol, which are already in the normal range.

The usual use for adults is to mix one tablespoon once (or more times) per day with 10-12 ounces of water. Children over four years can take ½ spoon a day (under supervision).

Pros

Dairy-Free,
Gluten-Free,
Psyllium Free with No Fillers,
No Isolates, No Synthetic Nutrients,
No Artificial Sweeteners, and
No Preservatives
GMO Project Verified

Cons

It thickens up before you can finish stirring it. (Difficult to drink)
Slimmy

7. Benefiber Fiber Supplement Powder Stick Packs

Benefiber Original is a daily prebiotic dietary supplement based on 100% natural fibers. Unlike other forms of fiber, such as gums, capsules, and tablets, Benefiber can be added to your favorite foods and drinks.

Prebiotic fiber increases good bacteria and suppresses harmful bacteria, and creates an environment for good digestive health. Adding a 100% natural prebiotic fiber like Benefiber to your diet can help this process and maintain your digestive system’s balance.

It supports good bacteria and the overall digestive health of your digestive system with wheat endotoxin with natural prebiotic fiber.

The usual dose from 12 years three times a day two teaspoons of Benefiber Original in 4.8 ounces of soft drinks or food, with hot or cold stirring. Stir well until dissolved for up to 60 seconds. For children 6 to 11 years, use half of the recommended dose. If you are under six years old or breastfeeding, consult a doctor before using it.

Pros

Easy to use fiber
Taste free,
gluten-free and
sugar-free and dissolves clear
best fiber supplement for constipation

Cons

Bloating

8. Biotics Research Colon-Plus Caps

This is also the best fiber supplement for constipation. Each serving of Colon-Plus Capsule contains a mixture of the soluble and insoluble fiber of psyllium, kelgin, apple pectin, mint, flaxseed, anise, bromelain, aloe vera, lactobacillus acidophilus (probiotic), and prunes, specifically designed to promote health Gastrointestinal was developed.

Psyllium powder relieves constipation, stimulates normal peristalsis, and cleanses the intestine of waste. Colon Plus Caps contribute to regularity. Also, proper nutrition with soluble fiber helps improve heart health.

Pros

Easy to take
Tested for toxin and heavy metals
Proven potency and efficacy
Manufactured in FDA and GMP certified facility
Gluten-free

Cons

Expensive

9. Renew Life Adult Fiber Supplement

Renew Life Fiber Smart is an advanced fiber preparation based on flax seeds that promote regularity and promotes intestinal health in adults. Sometimes it relieves swelling and constipation and contains L-glutamine, probiotics, prebiotics, and relaxing botanicals to promote digestive balance.

Renew Life fiber formulations are guaranteed on the expiration date for their quality, purity, and effectiveness. They are made in the USA with ingredients of the highest quality in the world.

Smart Fiber contains L-Glutamine, probiotics, and relaxing botanicals to promote digestive balance and intestinal health in adults.

10. ORGANIC INDIA Whole Husk Psyllium

This formula relieves elimination, promotes softness without discomfort or flatulence, gently cleanses the colon, detoxifies the gastrointestinal tract, and is the best fiber supplement for constipation.

Gain a healthy weight or increase your natural weight loss by covering your daily fiber needs with this soluble fiber source that forms a volume.

Organic India can lower LDL cholesterol, reduce blood pressure, and promote heart health as part of a healthy diet. It is most commonly used to relieve constipation, IBS, ulcerative colitis, Crohn’s disease, and general gastrointestinal conditions.

Organic Psyllium from Organic India is the Plantago ovata herb seed coat. Whole psyllium pods are natural fibers that form a volume. Promotes healthy excretion and regularity, contains soluble and insoluble fiber, is compatible with the entire gastrointestinal system, soluble psyllium fiber, and a healthy diet can reduce heart disease risk.

Pros

USDA-certified
Vegan, dairy-free, GMO-free, gluten-free
No sugar and no artificial sweeteners.
Kosher & Halal certified.

Cons

Doesn’t mix easily
Bad taste

The 8 Best Fiber Supplements for Constipation and Health in 2023

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission Here’s our process.

How we vet brands and products

Medical News Today only shows you brands and products that we stand behind.

Evaluate ingredients and composition: Do they have the potential to cause harm?
Fact-check all health claims: Do they align with the current body of scientific evidence?
Assess the brand: Does it operate with integrity and adhere to industry best practices?

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Fiber is a complex carbohydrate that the human body cannot digest. It has numerous health benefits. People usually get fiber from food but can also take fiber supplements.

Best overall:Bellway Super Fiber + Fruit
Best organic:Renew Life Superfood Organic Prebiotic Fiber
Best wheat dextrin supplement:Benefiber Original
Best raw fiber supplement:Garden of Life Raw Organic Fiber
Best for constipation:Fibercon
Best flavor:Metamucil Sugar-Free Orange Smooth Powder
Best gummies:Vitafusion Fiber Well Fit Gummies
Best fiber prebiotic:Thorne FiberMend

How we chose the best fiber supplements

Medical News Today chose products that fit the following criteria where possible:

Price: Products are suitable for a range of budgets.
Benefits: Each product provides a sufficient amount of fiber to benefit a consumer.
Dietary needs: Different ingredients and formulas to address allergies and other dietary requirements.

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Many foods contain fiber, but especially good sources of fiber include :

There are two types of fiber: insoluble and soluble. Both types of fiber can benefit health.

Insoluble fiber does not dissolve in water, and this helps food pass through the digestive system. Insoluble fiber can help promote regular bowel movements. Foods such as brown rice, legumes, cauliflower, and spinach contain insoluble fiber.

Soluble fiber does dissolve in water. This type of fiber can help lower blood sugar levels and reduce cholesterol. Foods like oatmeal, lentils, blueberries, and apples contain soluble fiber.

Both types of fiber can help with bowel regularity, but they may also provide health benefits for people who have or are at risk of developing the following conditions:

heart disease
metabolic syndrome
type 2 diabetes
diverticulitis

Fiber may also aid in weight management. A 2019 study suggested that eating dietary fiber, independent of other factors such as calorie intake, helps promote weight loss in adults with overweight or obesity eating a lower-calorie diet.

Fiber also provides the body with prebiotics. Prebiotics are substances that feed the “good” bacteria in the gut.

According to the Harvard School of Public Health, the recommended daily fiber intake per day is 20–30 grams (g). However, many people in the United States only consume around 15 g. A fiber supplement may help people who find it difficult to eat more fiber. However, fiber supplements are not a substitute for a balanced diet.

Adding more water alongside increased fiber intake can also help to reduce constipation.

The supplement market is not heavily regulated, and companies can make unsubstantiated claims. A person should discuss with a doctor whether a product is right for them.

This article includes products that use fiber types that have research-backed health benefits and that are thoroughly vetted by our team for medical credibility, good business practices, and social impact.

The following products are some of the best fiber supplements. Please note that the author of this article has not tried these products.

Best overall: Bellway Super Fiber + Fruit

List price: around $29.99
Servings: about 50
Dosage: 1–2 rounded scoops into at least 8 ounces (oz) of water

Best organic fiber: Renew Life Superfood Organic Prebiotic Fiber

Renew Life Superfood Organic Prebiotic Fiber includes whole fruits and vegetables, such as spinach and kale, in its formula to give it some antioxidant power. It uses resistant tapioca dextrin, a soluble fiber, to mix into water or smoothies with a citrus flavor.

As with many types of fibers, tapioca dextrin is keto-friendly. It is also gluten-free, dairy-free, and soy-free.

Best wheat dextrin supplement: Benefiber Original

List price: around $16.91
Servings: about 38
Dosage: 2 teaspoons (tsp) into 4–8 oz of fluid 3 times a day

Benefiber is a wheat dextrin fiber supplement. Wheat dextrin is an extract from wheat starch and is a type of soluble fiber.

Benefiber Original is free from gluten and sugar. It has no taste.

A person can purchase Benefiber in premeasured single-serve sachets. This may make it easier for people to take to work or on trips.

Best raw fiber supplement: Garden of Life Raw Organic Fiber

Garden of Life Raw Organic Fiber is an organic fiber supplement. According to the product website, the supplement can help:

relieve occasional constipation
support a healthy balance of gut flora
maintain regular bowel movements
support heart health
maintain healthy blood sugar management
keep cholesterol levels within an already healthy range

This fiber supplement contains organic ingredients such as quinoa sprout, pumpkin seed sprout, raw organic stevia leaf, and coconut flour. People can find the complete list of ingredients on the product’s label.

The product is unflavored and gluten-free. It’s also suitable for a vegan, paleo, or keto diet.

It contains ingredients that may benefit the gut and overall health, including probiotic bacteria and omega-3 fatty acids.

Garden of Life Raw Organic Fiber contains no psyllium, so it may be a suitable option for those sensitive or allergic to psyllium.

Best for constipation: Fibercon

Fibercon may help to relieve constipation and help maintain regular bowel movements. According to the product label, a bowel movement typically occurs 12–72 hours after taking Fibercon.

Fibercon contains calcium polycarbophil (CPC), a synthetic compound that acts as a bulk-forming laxative in the body. CPC absorbs water and travels through the body undigested, adding bulk and moisture to stools.

Fibercon’s inactive ingredients include:

caramel
crospovidone
hypromellose
magnesium stearate
microcrystalline cellulose
polyethylene glycol
silicon dioxide
sodium lauryl sulfate

Fibercon contains no chemical stimulants or preservatives. People should not take this product for longer than 7 days without consulting a doctor.

Fibercon comes with a choking warning. People will need to take each dose with 8 oz of water and avoid taking the product if there is any difficulty swallowing.

Best for flavor: Metamucil Sugar-Free Orange Smooth Powder

List price: around $29.48
Servings: 90 or 180 (depending on whether a person takes 1 or 2 teaspoons)
Dosage: 1–2 tsp stirred into 8 oz of water

Metamucil Sugar-Free Orange Smooth Powder is a gluten-free, orange-flavored powder containing psyllium husk fiber. Taking the product without enough fluid may cause choking.

psyllium husk
maltodextrin
citric acid
natural and artificial orange flavor
aspartame
yellow 6

According to the product website and data collected from a Metamucil survey of people using their products, the supplement can help control appetite, maintain healthy blood sugar levels, and lower cholesterol.

Research from 2021 suggests that adding psyllium husk to an eating plan can have benefits for lowering cholesterol, reducing obesity, and preventing cancer.

Further research states psyllium husk may also minimize the risk of cardiovascular problems and reduce constipation.

However, anyone with an allergy or sensitivity to psyllium should avoid this product.

Best fiber gummies: Vitafusion Fiber Well Fit Gummies

Vitafusion Fiber Well Fit Gummy Vitamins may be a good fiber option for people with difficulty swallowing powders or caplets. The gummies are sugar- and gluten-free with natural peach, strawberry, and berry flavors.

The gummies contain gelatin, so they may not be suitable for vegetarians or vegans. Vitafusion Fiber Well Fit Gummies also contain:

polydextrose
water
xylitol
less than 2% blend of oils — coconut, palm, or both — with beeswax or carnauba wax or both
colors — annatto extract, blueberry and carrot concentrates, and purple carrot juice concentrate
malic acid
natural flavors
sucralose
tree nuts — coconut

One serving, which is two gummies, provides 5 g of fiber alongside six B vitamins:

According to the product website, the soluble fiber in the gummies helps support gut flora and digestive health and helps to maintain regular bowel movements.

Best fiber prebiotic: Thorne FiberMend

List price: around $40
Servings: about 30
Dosage: 1 scoop added to 8–10 oz of water, juice, or other beverage

Thorne FiberMend is a powder containing soluble prebiotic fiber. It contains:

green tea phytosome (decaffeinated)
hydrolyzed guar gum
larch extract
pectin (apple)
rice bran

The product is free from gluten, dairy, soy, and artificial flavorings or colors.

The product website states that Thorne’s FiberMend helps to maintain healthy blood sugar levels, promote regularity, and support digestive function.

The 8 Best Fiber Supplements for Constipation and Health in 2023

Best Insoluble Fiber Supplement For Constipation (10 Best Supplements)

Best insoluble fiber supplement for constipation