Best Fiber Supplements Ranked for 2018 – Top 10 Brands

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Jump Ahead to the Best Fiber Products

What if there was something you could eat that reduces your chances of becoming overweight, getting high blood pressure, diabetes, and heart disease, and that could also help to regulate your digestive system all at the same time?

What if this thing could also clean out your gut, reducing your chances of getting sick, improving your energy levels, and improving your mental health? There is a substance that can do all of these things, and more. This substance is called dietary fiber.

This guide will explain what fiber is, how it benefits your health, and how fiber supplements can improve your overall well-being. In America, 97% of the population is deficient in dietary fiber, so odds are, you are one of them!

What is Fiber?

Fiber is a plant based carbohydrate that can not be broken down or digested. It is sometimes called roughage because it is a tough and sturdy filament that the body cannot digest. In this guide, we are referring to dietary fiber rather than textile fibers.

Fiber passes through the digestive tract more or less unscathed. There are two types of dietary fiber, and they react differently to digestion. These fibers include soluble fiber, and insoluble fiber. Soluble fiber refers to fiber that is water soluble and, when digested, does change form but is not absorbed by the body. It becomes a gel like mass in the intestines, and is later excreted as waste. Insoluble fiber does not change form, and remains intact throughout the digestive process.

Soluble fiber can be found naturally in legumes in high concentrations. These include foods such as black beans, kidney beans, navy beans, lentils, peanuts, and peas. Oats and grains also contain a healthy soluble fiber dose, as well as some fruits and vegetables. Brussels sprouts are one of the top sources of soluble fiber.

Insoluble fiber can be found naturally in many seeds, and the skins of certain plant products such as the outer husk of corn kernels, grape skins, and the skins of peas. Insoluble fiber can also be found in whole grains, and wheat bran. Dried fruit is a great source of insoluble fiber.

What Are Fiber Supplements?

Fiber supplements are concentrated forms of fiber that you can take to supplement your daily intake of fiber. These supplements can come in multiple forms, such as capsules, tablets, gummies, and powders.

There are different types of effective fiber supplements that are available on the market today. Different forms may have slightly differing benefits, and may suit one person better than another. Some of these different forms of fiber supplements include:

  • Inulin – Inulin is a prebiotic form of fiber.
  • Methylcellulose – Methylcellulose is a soluble fiber made from cellulose, or the cell walls of plants. Methylcellulose.
  • LignanLignan is an extracted natural fiber, called a polyphenol, that is found in plant cells. Lignans are naturally found in seeds, fruits, vegetables, and some whole grains.
  • Cellulose – Cellulose is an extremely tough insoluble fiber, and can be found in wood, paper, and cotton, as well as in all plant based foods. Cellulose provides a plant with structural integrity.
  • Pectin – Pectin is a soluble fiber that is extracted from fruits, vegetables, and seeds.
  • GumGums are sugars that are found in seeds that are also soluble fibers.
  • Psyllium – Psyllium increases satiety and slows digestion, and is made of 70% soluble fiber. Psyllium comes from the seeds of the plantago ovata plant.
  • DextrinDextrin is a soluble fiber that is produced from the hydrolysis of starches. It can also be described as a low molecular weight carbohydrate.

Other forms of good fiber supplements exist, and some products use fiber straight from certain foods such as oat fiber or beet fiber. This list covers the most common forms of fiber that you will see on the labels of fiber supplements that may not be as easily identifiable.

Who May Potentially Benefit from Fiber?

Considering that most of the population does not get enough fiber, most people could benefit from adding a good fiber supplement. With that said, there are certain groups that may notice more benefit than others, such as:

  • Those who are or may become fiber deficient – Only 3% of Americans are consuming enough fiber in their diets, while 97% are at risk of deficiency, or deficient. Without the proper fiber dosage, your body is more prone to heart disease, stroke, and weight loss. You are more likely to become constipated, overeat, and increase your levels of bad cholesterol, and reduce your energy levels. You may also develop type II diabetes. Taking fiber supplements can prevent all of these health issues.
  • Those who suffer from constipationConstipation is a condition in which bowel movements are painful or they do not occur frequently enough. Constipation is more serious after three days without a bowel movement, because stool begins to harden, which makes it difficult to pass. Fiber helps constipation in a couple of ways. Soluble fiber retains water in your stool, making it softer and easier to pass, while insoluble fiber adds bulk to the stool. This improves the speed at which stool will pass through your intestines.
  • Those with irregular bowel movements – A regular bowel movement occurs at least once daily, with a strong urge to defecate, with stools that are relatively small volume and size, and that are easy to pass. Anything that does not fall within these characteristics is considered an irregular bowel movement. Irritable bowel syndrome (IBS) and fecal incontinence are some common irregularities, but a range of irregularities can occur. Fiber is one of the most important substances for a healthy bowel movement.
  • Those with inflammatory bowel disease (IBD) – Inflammatory Bowel Disease is an umbrella term for two different bowel diseases that involve inflammation. These diseases include Crohn’s disease, and ulcerative colitis. Crohn’s disease is rare but life threatening, and usually affects the lower part of the small intestines. Symptoms include fever, bleeding from the rectum, and diarrhea. It is not curable and causes are still unknown, but research suggests it may be caused by genetics or abnormal immune system processes. Ulcerative colitis also cannot be cured, and it causes inflammation and ulcers throughout the entire digestive tract.
  • Those with type II diabetes – Diabetes is a range of metabolic diseases identified by lack of insulin or insulin resistance. Type II diabetes is not genetic, is marked by insulin resistance, and generally occurs later in life. Type II diabetes is often caused by long term overeating, which overworks the pancreas, the gland that produces insulin. After the body quickly takes in large amounts of glucose from sugary or processed foods, the pancreas produces lots of insulin, and cells may start to become resistant to insulin – which in the long run, can lead to increased risk of developing type II diabetes.
  • Those with high blood pressureHigh blood pressure is a condition in which blood forces too much pressure on artery walls. Risk factors for developing high blood pressure include being overweight, smoking, taking in too much dietary salt, drinking too much alcohol, smoking, and stress. Genetic factors also play a role. Over 25 studies have concluded that having a diet high in fiber can help blood pressure.
  • Those who are or may become overweight – Fiber may improve weight loss efforts. Weight gain happens when the body takes in too much glucose at once. This can happen from a day of overeating, or it can happen when consuming foods that are full of sugar or refined carbohydrates. Sugar and refined carbohydrates without fiber are basically straight shots of sugar to the metabolism, which causes the body to produce fat. When fiber exists in the diet, it slows down the breakdown of food into glucose, resulting in a steady stream of sugar through the metabolism. With fiber, your body is less likely to produce excess fat.

How To Take Fiber Supplements

Fiber supplements can be taken at any point in the day, but it is important to consume top fiber supplements with water — a minimum of 8 oz. Otherwise, you can take fiber supplements at any point in the day, with or without food, on a full or empty stomach. You can also take multiple doses per day, in most cases.

Are There Any Side Effects?

Fiber supplements may cause gas or bloating in some people. This can be prevented by gradually increasing your fiber dosage instead of taking a large dose initially. If your body is not used to having lots of fiber, then shocking your system with a large dose may cause gas. Some forms of fiber are non-fermentable as well, meaning that they do not ferment in the digestive system and therefore do not produce gas. If you have problems with gas already, choosing a fiber supplement such as methylcellulose to start may prevent gas.

Things To Look For in a Good Fiber Supplement

Finding a good fiber supplement for you means reading the supplement labels, researching manufacturers, and understanding the fiber dosage you need. As a consumer, it is important to be aware of what is in your product, who makes it, and how much of it you are getting. All of these factors can help you find the best fiber supplement for a reasonable price.

The labels of a good fiber supplement should be transparent. This means that you should easily be able to tell what type of fiber is being used. For example, if the product uses a fiber blend, the forms of fiber used should be listed on the label and the amount of fiber per serving should also be listed. Fiber blends are actually better than using a single form of fiber, because blends often provide both soluble and insoluble fibers.

Researching the company or manufacturer is another important factor in the decision. Not all brands are created equal. Learn about the company’s reputation, and their manufacturing facilities. Ensure that their manufacturing facilities are Good Manufacturing Practices (GMP) certified by an accredited third-party such as NSF, or possesses other certifications of the sort.

Top 10 Fiber Supplements Compared

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1. BarnDad’s FiberDX

BarnDads-FiberDX

BarnDad’s FiberDX is an all natural powdered fiber supplement that provides you with a blend of soluble and insoluble fibers. It has a multilayer matrix of fibers plus protein.

It is a powerful fiber supplement with 11 grams of fiber per serving, and mixes well in smoothies, shakes, and other drinks. It can even be used in baked goods as a substitute for flour. This is one of the top fiber supplements on the market.

Highlights:

  • All natural
  • Huge flavor variety available

What’s in it:

  • 11g fiber from: Oat fiber, soy fiber, psyllium, maltodextrin, flax seed, beet fiber, cellulose, oat bran fiber, etc.

Who makes it: BarnDad Innovative Nutrition is a supplement producer that focuses on fiber benefits and protein. Their main products include FiberDX and CHXN protein products. They were founded in Pittsburgh, Pennsylvania in 2011 and have been producing cutting edge products ever since.

Bottom line: This product is one of the best fiber supplements on the market. It is produced by a reputable brand, provides a whopping 11 grams of soluble and insoluble fiber per serving, and is 100% natural. It also comes in a variety of flavors, meaning you can choose the flavor that best suits your tastes.

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2. NOW Foods Fiber-3

NOW-Foods-Fiber-3

NOW Foods Fiber-3 is a one of the best fiber supplements available, and comes in powdered form. It is all natural, and packed with 7 grams of fiber (5 grams soluble 2 grams insoluble). In addition to an excellent fiber dosage, this product provides your body with healthy fats such as Omega-3, Omega-6, and Omega-9 fatty acids; as well as 3 additional grams of protein.

Highlights:

  • Uses both soluble and insoluble fibers
  • Provides additional nutrients
  • All natural
  • Gluten-free, soy-free, dairy-free

What’s in it:

  • 7g fiber from: Organic golden flaxseed mill, organic gum acacia and organic Inulin

Who makes it: NOW Foods was founded in 2000, at the turn of the century. The international company now reaches more than 70 different countries around the world and is one of the most popular brands of natural supplements worldwide. Their manufacturing and distribution facility is LEED Silver certified, which focuses on environmental and sustainable initiatives.

Bottom line: This product is one of the best fiber supplements on the market, and provides you with a quality dosage of fiber and all of the fiber benefits. This powerful fiber supplement is transparent, and lets the consumer know what forms of fiber are in the supplement. The product is manufactured by one of the best natural supplement brands out there, and even provides benefits of healthy omega fats and protein.

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3. Optimum Nutrition Fitness Fiber

Optimum-Nutrition-Fitness-Fiber

Optimum Nutrition Fitness Fiber is a powdered fiber supplement that provides a quality, low calorie fiber dosage in a powdered form.

It can be added to smoothies, mixed with water, or added to food. It also uses a quality blend of soluble and insoluble fibers, providing you with all of the benefits of fiber. It is also produced by a manufacturer with a great reputation that has been around since 1986. Optimum Nutrition Fitness Fiber can be used by anyone to improve their overall health.

Highlights:

  • Very affordable
  • Uses both soluble and insoluble fibers

What’s in it:

  • 5g fiber from a fiber blend including: polydextrose, digestion resistant maltodextrin, inulin, psyllium, etc.

Who makes it: Optimum Nutrition was founded in 1986 by Mike and Tony Costello. In the 80’s the Costellos realized that supplements lacked quality and consistency, so they set out to change that. Their company is a grassroots success; relying primarily of word-of-mouth in the beginning. They have received a lot of their recognition from their Gold Standard 100% Whey protein, which is consistently the best selling protein supplement on the market. Optimum Nutrition’s manufacturing facilities are also GMP certified by NSF.

Bottom line: This product is transparent, and provides you with a description of the soluble and insoluble fibers you are consuming. The manufacturer has an excellent reputation and years of experience in the business, so you can rest assured that this product is consistent and high quality. This product also offers a substantial dose of fiber, at 5 grams per serving.

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Where to Get It
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4. Myogenix Pro ENZYME + Fiber

Myogenix-Pro-ENZYME-and-Fiber

Myogenix Pro ENZYME + Fiber contains 9 grams of fiber along with 450 mg of enzyme blends that include all of the most important digestive enzymes: Protease, bromelain, amylase, lipase, and cellulase.

Highlights:

  • Flavorless

Drawbacks:

  • A bit pricey

What’s in it:

  • 9g fiber from: Oat fiber, pea fiber, bamboo fiber, and Fibersol 2.

Who makes it: Myogenix is a sports nutrition company that was founded in 1999. They focus on providing high quality, effective, and consistent athletic and health supplements into the market with the interests of the consumer in mind. They have a reputation for strong and effective health supplements.

Bottom line: This product is produced by a reputable company, provides transparent supplement facts, and uses quality soluble and insoluble fibers to provide all the main fiber benefits.

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5. Now Foods Organic Psyllium Husk Powder

Now-Foods-Organic-Psyllium-Husk-Powder

Now Foods Psyllium Husk Powder is a fiber powder that utilizes psyllium. Psyllium is a fiber that is generally 70% soluble fiber, 30% insoluble fiber. This product is all-natural, and the psyllium fiber comes from the seed husks of the plantago ovata plant.

Highlights:

  • All natural
  • Psyllium husk
  • Affordable

Drawbacks:

  • Hard to dissolve
  • Texture is not the best

What’s in it:

  • 7g fiber from: Psyllium husk

Who makes it: NOW Foods is an all-natural supplement brand that has been a leader in the industry since its inception in 1968. Their manufacturing and distribution facilities are located in Bloomingdale, Illinois and are LEED silver certified. They value quality, environmental sustainability, efficacy, and natural and organic ingredients. This company is fully transparent and has an excellent reputation.

Bottom line: This is an effective fiber supplement for a very affordable price. The manufacturer is reliable and well-known, the supplement facts tell you exactly what is in the product, and there is a quality fiber dose per serving. However, this fiber powder does not dissolve as easily as some other fiber powders on this list. The powder also does not have the most palatable texture.

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6. Twinlab Fibersol

Twinlab-Fibersol

Twinlab Fibersol is a fiber supplement that provides a blend of soluble fibers in an easy to consume fiber pill. The fiber blend includes psyllium seed husk, which is mostly soluble fibers.

Highlights:

  • Easy to consume

Drawbacks:

  • Low fiber dosage
  • Only soluble fibers

What’s in it:

  • 3g fiber from: Psyllium seed husk, guar gum, and apple pectin

Who makes it: Twinlab was founded in 1968 by David Blechman, a man with 20 years of experience in the pharmaceutical industry. David and his wife began their budding business in their garage and named it Twinlab, after their two sets of twins. Twinlab is currently a leader in the health and wellness industry, and they produce a wide variety of health products including teas, health products, and athletic supplements.

Bottom line: This product is made by a reliable manufacturer, and has transparent supplement facts, but it does not provide a quality fiber dosage. It also does not provide a blend of both soluble and insoluble fibers.

7. Garden Of Life Super Seed

Garden-Of-Life-Super-Seed

Garden of Life Super Seed is a fiber powder that uses natural fibers and a proprietary enzyme blend. The whole food fibers are sourced from foods such as lentils, buckwheat, garbanzo beans, flax seeds, sunflower seeds, and more. This powerful fiber supplement packs in 6 grams of fiber per serving, both soluble and insoluble fibers, plus probiotics.

Highlights:

  • Vegetarian
  • Soluble and insoluble fibers

Drawbacks:

  • May cause more gas than alternatives
  • Very sweet
  • Expensive

What’s in it:

  • 6g fiber from: Amaranth sprout, quinoa sprout, millet sprout, organic buckwheat sprout, garbanzo bean sprout, lentil sprout, etc.

Who makes it: Garden of Life is a brand that promotes health and wellness through all natural products. Their products are entirely transparent, and you can trace the ingredients all the way back to the source. Their facilities are certified LEED Gold, and their products are certified gluten free, kosher, non-gmo, sustainable, and more. The brand was founded by Jordan Rubin in 2000 after he battled a disease that affected his digestive system.

Bottom line:

This product provides you with quality fibers at a sufficient dosage. The manufacturer is very trustworthy and reliable, and the supplement facts are entirely transparent. However, this product is expensive and is also known to be very sweet, which means it is less versatile than other fiber powders.

8. Muscleology MyoFiber

Muscleology-MyoFiber

Muscleology Myofiber is a whole food powder that incorporates fiber, micro-nutrients and omega fatty acids. This fiber supplement contains 6.5 grams of fiber, half a gram of protein, 17.8 grams of fat, and 3.5 grams of carbohydrates.

Highlights:

  • A whole food supplement

Drawbacks:

  • Expensive
  • Includes undefined proprietary blend
  • More fat than fiber

What’s in it:

  • 5g fiber from: Flax seed, lecithin, psyllium husks, and more

Who makes it: Muscleology is a performance nutrition company that started out as NTS Training Systems in 2003. Muscleology offers free product samples to customers, which shows their dedication to creating products consumers like. They offer six different products that are all designed for athletes, bodybuilders, and those looking to improve their health.

Bottom line: This product provides you with a quality fiber dosage of 6.5 grams per serving, and is made by a company that is relatively well known. However, this product includes some ambiguous ingredients, such as an undefined “proprietary blend.” It also contains more fat than fiber, and is more expensive than some alternatives.

9. Nutiva Organic Hemp Protein Hi-Fiber

Nutiva-Organic-Hemp-Protein-Hi-Fiber

Nutiva Organic Hemp Protein Hi-Fiber is an organic fiber supplement that is 40% fiber, and 37% protein. One serving of this powder provides 12 grams of fiber, with 90% of that fiber being insoluble while 10% is soluble. There is also 11 grams of raw protein sourced from cold-processed hemp, making the product both raw and organic. It also contains a wide variety of essential and branched amino acids.

Highlights:

  • Lactose and dairy free
  • Vegan

Drawbacks:

  • May produce more gas
  • Only 16 oz of product for a high price
  • Grassy taste

What’s in it:

  • 12g fiber from: Organic hemp protein

Who makes it: Nutiva is the world’s leading brand of organic superfoods. The superfoods they incorporate include chia seeds, coconut, red palm, and hemp. Nutiva was founded in 1999 and is currently certified organic, non-GMO, Fair Trade, gluten free, kosher, Safe Quality Food (SQF), and more.

Bottom line: This product is made by a reliable company, is transparent, and provides a quality fiber dosage. However, for the amount of product you get, the price is high.

10. SPECIES Nutrition Fiberlyze

SPECIES-Nutrition-Fiberlyze

Fiberlyze contains a blend of soluble and insoluble fibers, and provides all of the benefits of a good fiber supplement. It includes 9 grams of fiber per serving, with 8 grams of it being soluble fiber and 1 gram being insoluble fiber.

Highlights:

  • Includes soluble and insoluble fiber

Drawbacks:

  • Expensive
  • Flavors are not the best
  • Lacks versatility

What’s in it:

  • 9g fiber from: Psyllium husk, wheat bran, hemp protein, etc.

Who makes it: Founded by a bodybuilder named Dave Palumbo, SPECIES Nutrition is an athletic supplement brand. Dave Palumbo has competed on the National Physique Committee circuit for 15 years, and is also a well known nutrition coach. He is the first choice for many professionals, both athletes and celebrities. Palumbo’s vision is realized through SPECIES Nutrition.

Bottom line: This product serves its purpose, but it is very expensive compared to other available products. The manufacturer has an excellent reputation, and there is a quality dosage of fiber per serving. However, the flavors available for this product lack versatility.

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