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Top 8 Best Fiber Supplement for Weight Loss

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Written by Andrew Le, MD.
Medically reviewed by
Last updated August 16, 2024

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Fiber supplements are normally regarded as the best and safest soluble fibers that people on a weight loss program wish to incorporate in their diets. These supplements assist in enabling you to have a healthy bowel movement because they add a little substance on the stool. Considering it, fiber supplements can be useful for people who are in difficulty of receiving enough fiber in their daily ration.

In terms of weight loss, fiber supplements enables one to achieve the feeling of full stomach hence helps one take less food, or rather take fewer calories in a given period. The availability of fiber supplements can also assist in the regulation of blood glucose which in turn assist in the curbing of the urge to take foods that contain a lot of sugar such as snacks and sweets.

We devoted hours in the research and testing of different fiber supplements, solely for the purpose of arriving at the best bet for weight loss. In the post, we will reveal our top choices and why we consider them to be the best.

Top 3 Best Fiber Supplement for Weight Loss

  1. Force Factor ProbioSlim + Prebiotic Fiber Weight Loss Supplement
  2. Micro Ingredients Fiber Supplement
  3. Benefiber Healthy Shape Prebiotic Fiber Supplement Powder

We understand how crucial it is to have a healthy body weight and yet, at the same time, how difficult it could be to get there. That is why I decided to present you the top fiber supplements for weight loss that may be helpful for you. Some of these supplements are formulated to give the consumer a feeling of fullness, cut down the appetite and help in digestion.

Force Factor ProbioSlim + Prebiotic Fiber Weight Loss Supplement

The Editor's Choice

Saying goodbye to digestion problems and ugly bulge in the stomach area. fiber supplement helps in loss of weight and in increasing the amount of good bacteria in the body. Flatten your belly, boost digestion and live your dream. Your ideal choice!

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If you would like to ensure your digestive health and weight loss targets are met, then you should try the Force Factor ProbioSlim + Prebiotic Fiber Weight Loss Supplement.

Pros

  • Combining both, probiotics and prebiotics for the stomach, your body can look slimmer and free from bloated tummies.
  • With components derived from natural green tea, consumers’ energy levels will be raised and fat oxidized for useful weight loss enhancement.
  • Balanced and made with FiberSMART, psyllium, inulin, and specific exotic fruit fibers to supply the nutrients which are necessary for LactoSpore probiotics to grow and function to efficiently foster the development of good bacteria in your digestive system.

Cons

  • Exposure to heat or sunlight may lead to melting/damage of the product
  • Capsules are big, making it hard to swallow
  • It may not be effective to everyone

The Force Factor ProbioSlim + Prebiotic Fiber Weight Loss Supplement is a high quality digestive remedy formula that can help achieve significantly reduced incidences of day to day issues such as gas, bloating, constipation or diarrhoea. The ingredients used are botanical green teas with added advantages of supporting and accelerating weight loss, the probiotics and prebiotics are used in boosting digestion, and eradicating bloating and bulging to give a slimmer stomach. The proprietary combination of FiberSMART, psyllium husk, inulin and exotic fruits’ fibers contain the nutrition that LactoSpore’s friendly bacteria requires to multiply and enhance your digestion.

We can concluded that the Force Factor ProbioSlim + Prebiotic Fiber Weight Loss Supplement is a perfect solution for the person who wants to strengthen their gut and have a proper diet to lose some weight.

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Micro Ingredient Fiber supplement is highly recommended for those who are in need of a natural supplement that can easily enhance the quality of their digestion.

Pros

  • Through the 3 in 1 complex formula of organic chicory root inulin fiber, acacia fiber, and psyllium husks fiber blend, you can lose pounds, reduce hunger, and obtain prebiotics and probiotics.

  • It is easy to incorporate the unflavored powder in water, juice or even a smoothie and it contains no additional flavors, preservatives, and fillers.

  • The supplement is vegan, Non-GMO, contains no soy, dairy, gluten, and tree nuts.

Cons

  • The product will also lump if one has not stirred or shaken the product well, which will definitely affect the taste and texture of the product.

  • It does not come with a scoop, and the user has to rely on a measuring spoon or cup.

  • It is a bit expensive.

We have been taking Micro Ingredients Fiber Supplement for approximately one month now and I have personally seen a major change in my digestion and stoma. The powder is soluble in water or juice and did not taste awful or leave a bad feeling in the throat. We also loved the fact that the product is natural and organic and the product has no form of chemicals or even additives.

It should also be noted that, for example, vitamin and mineral mixtures can thicken after lying still for some time; therefore, be sure to stir the product before consuming it. Further, although the package instructions may recommend using a scoop, you have to use your own scoop or measuring spoon/cup.

Micro Ingredients Fiber Supplement is a good product for people who are willing to improve their digestive system’s health and lose weight without turning to medications.

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Benefiber Healthy Shape Prebiotic Fiber Supplement Powder is our top recommendation for its functionality of making someone feel full and keeping them satisfied for more hours while keeping your gut healthy.

Pros

  • Completely blend and dissolve to clear without affecting the taste and texture
  • It has wheat dextrin which is a prebiotic and is good for your tummy.
  • Non-alcoholic and does not contain any sugars or gluten, which is always an advantage for particular users.

Cons

  • It is not suitable for serving carbonated products.
  • The side effects include bloating and or gas if the pill is not taken with enough water.
  • Some users may queue at the texture especially when using it to complement other foods or beverages.

Benefiber Healthy Shape Prebiotic Fiber Supplement Powder is a good supplement to increase the amount of fiber consumed in everyday meals while maintaining the flavor and consistency of the dish. Such a product is best when it dissolves clear and it dissolves completely making it suitable to be taken with anything such as juice, smoothies, yogurt or even oats. In the same regard, it was laudable that the ingredients included in the product were wheat dextrin, which is a prebiotic fiber reputed to have a health benefit on the digestive system.

It is advised not to dilute this product in carbonated beverages as you may experience bloating or have gas issues if you do not down it with a lot of water. Others would also be displeased by the feel of the product combined with certain foods or drinks.

Nevertheless, Benefiber Healthy Shape Prebiotic Fiber Supplement Powder benefited the daily routine as it assisted in providing satisfaction and fullness throughout the day.

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If you are among those who are looking for a tasty and simple means of increasing the daily fiber intake then the Metamucil Fiber Supplement Gummies may be suitable for you.

Pros

  • Metamucil is a popular brand which is widely regarded in this line of products, the fiber supplements.

  • Three gummies contain 5grams of fiber, thus helping to meet daily fiber intake rations.

  • It contains plant-based fiber blend of which one part is a prebiotic that can be beneficial for digestion.

Cons

  • The orange flavor is not preferred by some users

  • Some users complained of digestive discomfort.

  • It is a bit expensive

Metamucil Fiber Supplement Gummies are tasty and convenient for daily use. The gummies make it easy to have gelatin in a tasty form conveniently, and orange flavor is pleasant. We also know that the fiber blend for the product contains prebiotic ingredient to maintain the digestion system.

We did not find the orange flavour to be overpowering, though some users might not like these kinds of taste. While taking fiber supplements, especially when taking them for the first time, it is advisable to take little portions and progressively take bigger portions.

All in all, we believe that Metamucil Fiber Supplement Gummies are worth a shot if you are looking to integrate more fiber into your diet in a easy way.

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The Garden of Life Fitbiotic Weight Management Powder is highly recommended for all those who would like to incorporate natural and organic supplements in their diet for managing their weight.

Pros

  • The probiotic supplement are the clinically proven and tested ingredients to support weight loss, digestion, constipation, and immune system functions.

  • The prebiotic and probiotic supplement at the proposed product is organic Acacia (A. Senegal) fiber it is essential for good bacteria to survive.

  • It is organic, vegetarian, dairy-free, gluten-free, soy-free and sugar-free supplement.

Cons

  • It comes in powder form only, which should be disadvantageous particularly to those consumers who have always preferred capsule form of the product.

  • Some users may consider the power not tasty.

  • It may not be effective to everyone.

We have tried the Garden of Life Fitbiotic Weight Management Powder and can say that our digestion and gut health has improved apparently. Probiotic strains and the use of fiber have assisted in feeding off for longer hours, not only helping our desire to shed some weigh. In addition it is shelf stable and very convenient to take to work, school or any other place where refrigeration is inconceivable.

Overall, we can conclude that the Garden of Life Fitbiotic Weight Management Powder is an effective supplement, which may be useful for any person who wants to change her/his lifestyle, and start losing weight in a healthy way.

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Vitafusion Fiber Well Sugar Free Fiber Supplement is exactly what you need for those moments when you don’t have time to cook and you need a snack which will provide you with the necessary daily intake of dietary fiber for proper digestion.

Pros

  • Natural selected fruit flavors such as peach, strawberry and black berries.
  • Sugar-free gummies with 5g prebiotic fiber per serving
  • This supplement has to be a great substitute for lots of people instead of frequenting supplement pills.

Cons

  • May lead to formation of gas in some people
  • Not ideal for those with dietary restrictions
  • Gummies may melt together in hot temperatures

For the past few weeks, we have been using Vitafusion Fiber Well Sugar Free Fiber Supplement and it is actually helpful in improving the digestion. It is vital to taking supplements in easy and tasty form and not bulky pills, and that is what the gummies offer.

It contains natural fruit flavors where we have our favorite fruits such as peach, strawberry, and black berry. These gummies are also free from sugar and one serving is packed with 5 grams of the prebiotic fiber that helps flush out your digestive system.

As for the side effects there are only rare reports about increase of gas in some people who took the gummies. Furthermore, the gummies may also stick to one another in the conditions of high heat; hence, the packaging should be in a cool, dry environment.

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In case you are interested with the weight loss fiber supplement, then Garden of Life Super Seed will suit you.

Pros

  • Super Seed fiber contains 6grams fiber, 6grams protein, Omega 3/6 fats, and trusty probiotics/ enzymes per portion.

  • Made with 14 sprouted grains and seeds as well as legumes for a fiber-rich source of calorie consumption.

  • Able to absorb water and has dietary fiber which are soluble and insoluble in nature to enable proper digestion and healthy stomach.

Cons

  • It is challenging to mix with some items of fare or beverages.

  • Some of the users complained that it turns anything that one takes in the mouth either to eat or to drink very thick.

  • The taste is said to be nutty and this can be off putting to some users.

I have been using Super Seed for a while now and it has so much improved on the kind of digestion in my body system now. The consumption of both the soluble and insoluble fiber has also contributed positively in the correct functioning of the colon and has made us to feel full in the entire day. Also, thanks to the inclusion of pro-biotics and enzymes in our foods, our gut health has been enhanced.

It has some mixing issue with some types of foods and beverages. What we have learned is that they are best used in breakfast smoothies, or when added to yogurt. However, some customers complain that it makes anything that goes into the mouth to have a thick consistency; therefore, it should be used according to portion size and well stirred.

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If you want a product that specifically targets support for the digestion then we have highly recommended Garden of Life Raw Organic Fiber.

Pros

  • Contains 9 grams of dietary fiber per serving as well as 7 grams of protein, probiotics, and omega-3 fatty acids to help support well being.
  • 15 Sprouted RAW & Certified Organic superfoods included Flax, Quinoa, sprouted Chia seeds, grains & legumes are used, no additives & only one gm sugar.
  • Promotes the healthy bacteria in the intestinal area and assists with colon comfort, without harsh fiber.

Cons

  • Some users complained of experiencing bloating or gas
  • It is hard to dissolve as it tends to clump
  • Large serving size


This fiber supplement has without any doubt made a big difference in our lives. What we especially like about it is that is produced from organic ingredients of the highest quality and has many other positive effects on our health in addition to fiber. The presence of probiotics aids digestion and hence enhances a healthy gut and Omega 3 fatty acids are an added advantage.

There is one concern regarding the need to dissolve the powder, which can be challenging at times; hence managing to mix it with a blender or a shaker bottle to enhance proper mixing. Also, some users may face such side effects as bloating or gas, but this is usually temporary and will go away in a few days.

Overall, Garden of Life Raw Organic Fiber supplement is a suitable product for anyone intending to enhance their health through enhanced digestion naturally.

Buying Guide

Type of Fiber

There are two types of fiber: soluble and insoluble. Soluble fiber dissolves in water and transforms into a gel in the colon. It aids in the reduction of the rate of digestion, and therefore you feel satiated for a longer time. Soluble fiber dissolves in water and becomes gel like substance while insoluble fiber does not dissolve in water and thus provide the needed bulk for easy passing of stool, helping to promote regular bowel movements.

Dosage

Fiber intake should be prescribed based on the user’s age, gender, and other conditions, but the recommended amount is willing. It is crucial to search for a supplement that has a correct amount of the nutrient to feature to the body. Fiber intake can also be taken in excess resulting into stomach upsets and on the other extreme, could be taken in small amounts and thus not trigger the positive effects of fiber.

Additional Ingredients

Fiber supplements can be classified as being natural or synthetic depending on the components that they consist of; besides fiber, they may also incorporate vitamins, minerals or herbs. However, these ingredients can also be healthy enhancing so it is prudent to determine some of the effects of the nutrients.

Price

In regard to fiber supplements, the cost may differ due to the brand, dosage or type of fiber. Now that you have any idea of the probable amount asking price, it may seem attractive to go for it but do not be blinded by the amount alone. Given this understanding, it is advisable to look for a suitable supplement that will meet your needs and at the same time is affordable.

Frequently Asked Questions

What are some of the best fiber foods for weight loss?

Among fiber rich foods for weight loss are fruits like; Raspberry, black berry, apples, and vegetables including; broccoli, Brussels, and carrots. Oats and quinoa are also other foods that have high content of fiber.

What is the recommended daily fiber intake for women looking to lose weight?

As for the daily fiber intake, women interested in weight loss, they should consume 25 grams of fiber per day. But it is strongly recommended to gradually include fibre in the diet, because its sudden increase can lead to various problems in the gastrointestinal tract.

Can fiber supplements help with weight loss?

Fiber supplements can be effective in promoting for weight loss since it promotes satiety and also reduces appetite and also smoothes bowel movement. But for the best results, they should be rightly combined with most basic and appropriate needs such as taking proper meals and exercises.

What is the best type of fiber for constipation and weight loss?

Consumption of dietary fiber which can be classified into soluble and insoluble fiber is important in constipation and weight loss.Soluble fiber is deemed to be more effective as compared to insoluble fiber. It swells and becomes gel like and assists in controlling movement of bowel and aid in digestion.

Are there any side effects to taking fiber supplements for weight loss?

Side effects of fiber supplement may include stomach upset, bloating, gas and diarrhea in small numbers of people. Some of the side effects comprise of irritation, stomach upsets and pains; thus, one has to take small amounts of the product and build up gradually.

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Jeff brings to Buoy over 20 years of clinical experience as a physician assistant in urgent care and internal medicine. He also has extensive experience in healthcare administration, most recently as developer and director of an urgent care center. While completing his doctorate in Health Sciences at A.T. Still University, Jeff studied population health, healthcare systems, and evidence-based medi...
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