10 Best Fiber Supplements
To narrow your choices, we’ve also rounded up the best-selling fiber supplements from around the internet. While you’ll still want to discuss potential dietary changes with your doctor, you can use our guide to assist you in pinpointing options that may be a right fit for your lifestyle.
Quick List - Top Fiber Supplement
The Procter & Gamble Company
A High-Fiber Powder You Can Mix Into Your Meals
Church & Dwight Co., Inc.
Fiber-Rich Gummies in a Variety of Flavors
Megan is a registered dietitian and gluten-free food influencer (@sayimafoodie) and owns a virtual nutrition private practice–Nutrition by Megan. Currently, she works as a performance nutrition intern at the United States Naval Academy. She has been quoted for her nutrition expertise in numerous media outlets, including Health, Forbes, People, Clean Plates, EatingWell, and Eat This, Not That! Megan earned her undergraduate degree in nutritional sciences and toxicology-dietetics at the University of California, Berkeley.
mybest US' editing team consists of experienced members who have backgrounds in writing, editing, translation, and more. We are dedicated to researching what makes a product or service the best to users in the US in order to create top-quality articles. From skincare, to kitchen appliances, and to DIY supplies, our mission is to find the best ones for you.
The expert oversees the Buying Guide only, and does not determine the products and services featured.
Table of Contents
- Why You Can Trust Us
- Fiber Supplements Can Improve Your Health
- Potential Side Effects of Taking Fiber Supplements
- The 10 Best Fiber Supplements
- No. 1The Procter & Gamble Company | Metamucil｜Sugar-Free Orange Smooth Powder
- No. 2The Procter & Gamble Company | Metamucil｜Fiber Gummies
- No. 3Church & Dwight Co., Inc. | Vitafusion｜Fiber Well Gummy Supplement
- No. 4Amazon.com Services LLC | Amazon Basics｜Fiber Gummies
- No. 5The Procter & Gamble Company | Metamucil｜Psyllium Fiber Capsules
- 5 more products
Why You Can Trust Us
Every mybest article is crafted with hours of in-depth research and interviews with experts. Each month, we are continually expanding our database of products based on our research. By emphasizing user insight and reliable information, we deliver trustworthy content to readers.
Fiber Supplements Can Improve Your Health
Benefits of fiber include easier bowel movements, lower cholesterol, balanced blood sugars, and weight loss.
Dietary fiber, a plant-based component found in fruits, vegetables, whole grains, and legumes, plays a crucial role in digestion. It keeps you feeling full, regulates your digestive system, and promotes healthy gut bacteria. However, many Americans struggle to meet their daily fiber needs through diet alone.
This is where fiber supplements come in—they can be a convenient and effective way to bridge the gap and unlock many health benefits. Studies have shown that increasing fiber intake can help improve digestion and regularity, reduce the risk of chronic diseases, and manage weight.
Potential Side Effects of Taking Fiber Supplements
Adequate fiber intake has many health benefits, but too high a dose can lead to potential side effects such as abdominal pain or dehydration.
While fiber supplements offer a wealth of health benefits, they can sometimes cause temporary digestive side effects, especially when you first start taking them. Huff advises managing potential side effects by starting with a lower dose of fiber supplements and gradually increasing it to allow your digestive system time to adjust. Staying hydrated when taking fiber supplements is essential, as fiber will pull water from your gastrointestinal tract.
The best way to address potential side effects is to include your doctor in the conversation. Fiber supplements can help improve your health, but as with any dietary change, involve your doctor in the decision-making process for a truly personalized and safe approach to boosting your fiber intake. Regular check-ins with your doctor can further optimize your progress.
How to Choose Fiber Supplements
With so many different types of fiber supplements available, it can be a challenge to figure out which one is right for you. Here are a few key points to consider when choosing a fiber supplement. From powders to tablets, there's something for everyone.
Choose the Right Type of Fiber to Improve Your Digestion and Wellbeing
When it comes to fiber, a one-size-fits-all approach simply doesn't exist. Different types of fiber offer unique benefits for digestion and overall health. Making the right choice can be the key to unlocking a range of improvements, from smoother digestion and gut health to enhanced feelings of fullness and blood sugar management.
Try Soluble Fiber for Improved Digestion, Cholesterol Control, and Weight Management
Soluble fiber keeps you full longer, aids in lowering cholesterol, and slows the absorption of sugar into the bloodstream.
Soluble fiber is loaded with potential health benefits, including improved digestion and regularity, cholesterol control, and weight management. Common sources of soluble fiber include psyllium husk, methylcellulose, guar gum, and wheat dextrin. Soluble fibers are generally well-tolerated by most people.
Huff points out that psyllium husk, the active ingredient in Metamucil, is a popular source of soluble fiber. It dissolves in water to form a gel-like substance, allowing it to slow digestion and lower cholesterol by binding to it in the digestive system. Soluble fiber also traps sugar molecules, hindering their direct and rapid entry into the bloodstream. This delay results in a gradual absorption of sugar, preventing blood sugar spikes and helping sustain your energy levels throughout the day.
For a Low-Stress Way to Treat Constipation and Diarrhea, Try Insoluble Fiber
Insoluble fiber adds bulk to the stool to help comfortably pass bowel movements.
Insoluble fiber can help with constipation, diarrhea, and overall digestive health. Our expert emphasizes that insoluble fiber is a potentially gentler option for those experiencing digestive issues. It works by adding bulk to your stool while absorbing excess water so you can pass it more easily.
Calcium polycarbophil is a unique fiber with both soluble and insoluble properties. This dual action allows it to regulate bowel movements, offering potential relief for constipation and diarrhea. It’s a good option for individuals with difficulty tolerating other types of fiber.
To Improve Gut Bacteria and Blood Sugar Regulation, Try Functional Fiber
Certain functional fibers, such as inulin, feed the gut bacteria that aid in digestion and immune support.
Functional fibers often act as prebiotics, which are essentially food for the good bacteria residing in your gut. These beneficial bacteria are crucial in digestion, immune function, and overall health. The two most common functional fibers are inulin and acacia fiber, a newer (and lesser-known) option. By incorporating functional fibers, you can unlock a world of gut health and blood sugar regulation benefits, paving the way for a healthier you.
Choose a Fiber That Fits Your Preferences and Lifestyle
The next step is finding the best method for taking fiber supplements. Consider your preferences and lifestyle: do you prefer the convenience of capsules or the ease of mixing a tasteless powder into your morning smoothie? Perhaps chewable tablets or tasty fiber gummies suit your taste buds better.
Capsules and Chewable Tablets Are Quick and Easy to Take
I prefer the convenience of swallowing a small capsule, but I advise choosing what works best for you.
If you have trouble swallowing pills, opt for chewable tablets, which come in various flavors and forms, so it feels less like you're taking a supplement. On the other hand, capsules are more discreet since you can just swallow them. As our expert emphasizes, choosing the form that works best for you will help you adhere to your daily fiber intake goals.
Powders Are a Convenient Alternative to Pills
If you're not a fan of swallowing pills, powdered fibers can be added to foods and drinks.
For those who don't like swallowing or chewing pills, fiber powders offer a versatile, budget-friendly way to boost your fiber intake. They can be easily sprinkled on yogurt, oatmeal, or cereal for a quick and nutritious breakfast. Powders can be incorporated into smoothies or blended into water or juice for a fiber-infused beverage. While they might require a little creativity to integrate seamlessly into your diet, experimentation can be rewarding. Think about adding powders to baked goods like muffins or pancakes, or even explore sprinkling them into soups or stews during cooking.
Huff says that while there aren't any health concerns associated with adding fiber to food, it's always a good idea to start slow and pay attention to how it affects your dish's final texture and taste. Some tinkering might be necessary, but you should ensure the fiber is evenly distributed throughout the dish to avoid clumps.
Fiber can be safely integrated into your cooking; however, make sure to mix the fiber powder evenly throughout your dish.
Try Gummies if You Are Not a Fan of Powders or Pills
Fiber gummies can be a good alternative for those who dislike other forms of supplements.
Gummies offer a tasty and convenient solution for those with a sweet tooth or anyone looking for a fiber option the whole family can enjoy. These chewable treats come in enticing flavors, making them a fun and tasty way to sneak in some extra fiber. Children who may be hesitant towards other forms of supplements find gummies appealing.
Adults can also benefit from the ease and deliciousness of gummies, especially those who dislike for those who dislike other forms of supplements. Despite their candy-like appearance, gummies can be an essential way to improve daily fiber intake.
However, remember that gummies often contain added sugars and ingredients like gelatin. Taking gummy supplements could inadvertently add more sugar to your diet. Additionally, vegans and vegetarians may wish to avoid gelatin.
The 10 Best Fiber Supplements
Products | Image | Click to purchase | Key features | Details | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Type of Fiber | Fiber Source | Form | Servings per Container | Fiber per Serving | Serving Size | Third Party Certification | Flavor | |||||
1 | The Procter & Gamble Company Metamucil｜Sugar-Free Orange Smooth Powder | | A High-Fiber Powder You Can Mix Into Your Meals | Soluble | Psyllium Husk | Powder | 90 Servings | 6g | 2 Rounded Teaspoons (11.6g) | Orange | ||
2 | The Procter & Gamble Company Metamucil｜Fiber Gummies | | Tasty Plant-Based Gummies With a Prebiotic | Soluble | Chicory Root Fiber (Inulin), Soluble Corn Fiber (Fibersol®) | Gummy | 40 Servings | 5g | 3 Gummies | Orange | ||
3 | Church & Dwight Co., Inc. Vitafusion｜Fiber Well Gummy Supplement | | Fiber-Rich Gummies in a Variety of Flavors | Soluble | Polydextrose | Gummy | 45 Servings | 5g | 2 Gummies | Peach, Strawberry, Berry | ||
4 | Amazon.com Services LLC Amazon Basics｜Fiber Gummies | | Nutritious Gummies for Various Dietary Needs | Soluble | Chicory Root Fiber (Inulin) | Gummy | 45 Servings | 4g | 2 Gummies | Orange, Lemon, Strawberry | ||
5 | The Procter & Gamble Company Metamucil｜Psyllium Fiber Capsules | | Convenient Capsules With Simple Ingredients | Soluble | Psyllium Husk | Capsule | 60 Servings | 2g | 5 Capsules | Unflavored | ||
6 | Bayer Corporation/Consumer Care Div. MiraLAX®｜MiraFIBER Gummies | | A High-Fiber Gummy With Added B Vitamins | Soluble | Inulin (As Inulin Syrup and Inulin Powder) | Gummy | 18 Servings | 8g | 4 Gummies | Strawberry, Apple, Grape, Cherry, Orange, Lemon | ||
7 | Micro Ingredients Micro Ingredients｜Organic Triple Fiber Powder | | Three Fibers Combine for Maximum Effectiveness | Soluble | Chicory Root (Inulin), Acacia, Psyllium Husk | Powder | 113 Servings | 6g | 2 Scoops (Approx. 8g) | Unflavored | ||
8 | Viva Naturals Viva Naturals｜Organic Psyllium Husk Powder | | A Versatile Powder With Simple Ingredients | Soluble, Insoluble | Psyllium Husk Powder | Powder | 136 Servings | 4g | 1 tsp (5g) | Unflavored | ||
9 | Yerba Prima, Inc. Yerba Prima｜Daily Fiber Caps | | Five Types of Fiber for Superior Health | Soluble, Insoluble | Psyllium, Acacia Gum, Non-GMO Soy Fiber, Gluten-Free Oat Bran, Apple Fiber | Capsule | 100 Servings | 2.2g | 4 Capsules | Unflavored | ||
10 | Primal Harvest LLC Primal Harvest｜Primal Prebiotic Fiber | | Four Types of Fruit Fiber for Healthy Digestion | Soluble, Insoluble | Acacia Gum, Baobab Fruit, Apple, Green Banana | Powder | 30 Servings | 6.3g | 10g | Unflavored | ||
The Procter & Gamble CompanyMetamucil ｜ Sugar-Free Orange Smooth Powder
| Type of Fiber | Soluble |
|---|---|
| Form | Powder |
- Fiber Source
- Psyllium Husk
- Third Party Certification
- Flavor
- Orange
A High-Fiber Powder You Can Mix Into Your Meals
Pros:
- Psyllium husk, which boasts numerous health benefits
- Easy to add to food and drinks
- Sugar-free and gluten-free
Cons:
The texture may be unpleasant to some
The Metamucil Sugar-Free Orange Smooth Powder is a soluble fiber supplement sourced from natural psyllium husk, promoting digestive health and regularity. It’s gluten-free and doesn’t contain added sugars, which helps support healthy blood sugar and cholesterol levels. Additionally, psyllium fiber helps control appetite, keeping hunger at bay between meals.
| Servings per Container | 90 Servings |
|---|---|
| Fiber per Serving | 6g |
| Serving Size | 2 Rounded Teaspoons (11.6g) |
The Procter & Gamble CompanyMetamucil ｜ Fiber Gummies
| Type of Fiber | Soluble |
|---|---|
| Form | Gummy |
- Fiber Source
- Chicory Root Fiber (Inulin), Soluble Corn Fiber (Fibersol®)
- Third Party Certification
- Flavor
- Orange
Tasty Plant-Based Gummies With a Prebiotic
Pros:
- Tastes good
- Plant-based ingredients
- Contains a prebiotic for digestive balance
Cons:
Only one flavor option
Metamucil Fiber Gummies are a delicious way to boost your fiber intake. They have an orange flavor and provide 5 grams of fiber per serving. It’s an easy (and tasty) way to increase your daily fiber. Formulated with plant-based ingredients and a prebiotic, these gummies support digestive health while nourishing your good gut bacteria. One full serving is three gummies, but it’s best to start with one per day and gradually increase the amount.
| Servings per Container | 40 Servings |
|---|---|
| Fiber per Serving | 5g |
| Serving Size | 3 Gummies |
Church & Dwight Co., Inc.Vitafusion ｜ Fiber Well Gummy Supplement
| Type of Fiber | Soluble |
|---|---|
| Form | Gummy |
- Fiber Source
- Polydextrose
- Third Party Certification
- Flavor
- Peach, Strawberry, Berry
Fiber-Rich Gummies in a Variety of Flavors
Pros:
- Three flavors: peach, strawberry, and blackberry
- Each serving contains 5g of prebiotic fiber
Cons:
Sugar alcohol may cause digestive discomfort for some
The Vitafusion Fiber Well Gummy Supplements are a tasty alternative to standard pills. They come in peach, strawberry, and blackberry. Each 2-gummy serving offers 5 grams of prebiotic fiber to promote a balanced, healthy gut. They’re sugar-free, gluten-free, and contain no synthetic FD&C dyes.
| Servings per Container | 45 Servings |
|---|---|
| Fiber per Serving | 5g |
| Serving Size | 2 Gummies |
Amazon.com Services LLCAmazon Basics ｜ Fiber Gummies
| Type of Fiber | Soluble |
|---|---|
| Form | Gummy |
- Fiber Source
- Chicory Root Fiber (Inulin)
- Third Party Certification
- Flavor
- Orange, Lemon, Strawberry
Nutritious Gummies for Various Dietary Needs
Pros:
A variety of flavors: orange, lemon, and strawberry
Formulated without gluten, soy, dairy, and egg
Cons:
Exposure to heat during delivery may cause the product to melt
| Servings per Container | 45 Servings |
|---|---|
| Fiber per Serving | 4g |
| Serving Size | 2 Gummies |
The Procter & Gamble CompanyMetamucil ｜ Psyllium Fiber Capsules
| Type of Fiber | Soluble |
|---|---|
| Form | Capsule |
- Fiber Source
- Psyllium Husk
- Third Party Certification
- Flavor
- Unflavored
Convenient Capsules With Simple Ingredients
Pros:
Capsules are easy to swallow
Made with two ingredients (psyllium husk and gelatin)
Cons:
Recommended serving is five capsules per day
The Metamucil Psyllium Fiber Capsules are easy to swallow and easy to take on the go. They’re sugar-free and made with only two ingredients: psyllium husk and gelatin. In addition to your digestive health, these capsules will help support healthy blood sugar and cholesterol levels.
| Servings per Container | 60 Servings |
|---|---|
| Fiber per Serving | 2g |
| Serving Size | 5 Capsules |
Bayer Corporation/Consumer Care Div.MiraLAX® ｜ MiraFIBER Gummies
| Type of Fiber | Soluble |
|---|---|
| Form | Gummy |
- Fiber Source
- Inulin (As Inulin Syrup and Inulin Powder)
- Third Party Certification
- Flavor
- Strawberry, Apple, Grape, Cherry, Orange, Lemon
A High-Fiber Gummy With Added B Vitamins
Pros:
High fiber content per serving
Enriched with B vitamins
Six flavor options
Cons:
Contains added sugar
MiraLAX MiraFIBER Gummies are a daily prebiotic fiber supplement that comes in six flavors: grape, strawberry, apple, cherry, orange, and lemon. Each gummy has 8 grams of daily fiber per serving, and taking the recommended four gummies a day will supplement over 25% of your recommended daily fiber intake. They’re also enriched with B vitamins (B3, B5, B6, and B12) to support the metabolism of fats, carbohydrates, and proteins.
| Servings per Container | 18 Servings |
|---|---|
| Fiber per Serving | 8g |
| Serving Size | 4 Gummies |
Micro IngredientsMicro Ingredients ｜ Organic Triple Fiber Powder
| Type of Fiber | Soluble |
|---|---|
| Form | Powder |
- Fiber Source
- Chicory Root (Inulin), Acacia, Psyllium Husk
- Third Party Certification
- Flavor
- Unflavored
Three Fibers Combine for Maximum Effectiveness
Pros:
A blend of three fibers
Non-GMO and organic
Includes a measuring scoop
Cons:
Some may find unflavored powder less palatable
The Micro Ingredients Organic Triple Fiber Powder blends chicory root inulin fiber, acacia fiber, and psyllium husk fiber. It’s vegan-friendly and made without soy, dairy, gluten, fillers, preservatives, tree nuts, or GMOs. You can mix this flavorless powder into water, juice, and smoothies.
| Servings per Container | 113 Servings |
|---|---|
| Fiber per Serving | 6g |
| Serving Size | 2 Scoops (Approx. 8g) |
Viva NaturalsViva Naturals ｜ Organic Psyllium Husk Powder
| Type of Fiber | Soluble, Insoluble |
|---|---|
| Form | Powder |
- Fiber Source
- Psyllium Husk Powder
- Third Party Certification
- Flavor
- Unflavored
A Versatile Powder With Simple Ingredients
Pros:
- Only one ingredient
- Suitable for various diets
- Organic, non-GMO
Cons:
It’s flavorless, which may be unappealing to some
The Viva Naturals Organic Psyllium Husk Powder is a finely ground psyllium husk powder that seamlessly mixes into liquids or baked goods. You can add it to smoothies, juice, baked goods, soups, and more. Plus, it’s gluten-free and certified vegan, kosher, paleo, and keto.
| Servings per Container | 136 Servings |
|---|---|
| Fiber per Serving | 4g |
| Serving Size | 1 tsp (5g) |
Yerba Prima, Inc.Yerba Prima ｜ Daily Fiber Caps
| Type of Fiber | Soluble, Insoluble |
|---|---|
| Form | Capsule |
- Fiber Source
- Psyllium, Acacia Gum, Non-GMO Soy Fiber, Gluten-Free Oat Bran, Apple Fiber
- Third Party Certification
- Flavor
- Unflavored
Five Types of Fiber for Superior Health
Pros:
Five different types of fiber
Non-GMO, gluten-free, and keto-friendly
Also for children (over 12 years old)
Cons:
- Some may find unflavored capsules less palatable
The Yerba Prima Daily Fiber Caps contain psyllium husks, acacia gum, soy fiber, oat bran, and apple fiber. It has soluble fiber to support friendly bacteria in the colon and soften stools and insoluble fiber to absorb toxins and support a healthy intestinal tract. These capsules are also non-GMO, gluten-free, and keto-friendly.
| Servings per Container | 100 Servings |
|---|---|
| Fiber per Serving | 2.2g |
| Serving Size | 4 Capsules |
Primal Harvest LLCPrimal Harvest ｜ Primal Prebiotic Fiber
| Type of Fiber | Soluble, Insoluble |
|---|---|
| Form | Powder |
- Fiber Source
- Acacia Gum, Baobab Fruit, Apple, Green Banana
- Third Party Certification
- Flavor
- Unflavored
Four Types of Fruit Fiber for Healthy Digestion
Pros:
Contains four different types of fiber
Also has polyphenols as “prebiotic boosters”
Manufactured in the USA under strict quality standards
- Higher price compared to other fiber supplements
Primal Harvest Primal Prebiotic Fiber is a low-net carb, high-fiber powder mix made from real fruit fiber, antioxidant-rich polyphenols, and both soluble and insoluble fiber. It’s FODMAP-friendly, gluten-free, and GMO-free. It’s made in the USA and undergoes rigorous lab testing at multiple stages to ensure authenticity, purity, and the absence of contaminants.
| Servings per Container | 30 Servings |
|---|---|
| Fiber per Serving | 6.3g |
| Serving Size | 10g |
Top 5 Fiber Supplement
No. 1: The Procter & Gamble Company｜Metamucil｜Sugar-Free Orange Smooth Powder
No. 2: The Procter & Gamble Company｜Metamucil｜Fiber Gummies
No. 3: Church & Dwight Co., Inc.｜Vitafusion｜Fiber Well Gummy Supplement
No. 4: Amazon.com Services LLC｜Amazon Basics｜Fiber Gummies
No. 5: The Procter & Gamble Company｜Metamucil｜Psyllium Fiber Capsules
View Full RankingThe descriptions of each product are referenced from content available on manufacturer, brand, and e-commerce sites.
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