Best Fiber Supplements

Fiber is a type of carbohydrate found naturally in plant-based foods. It is normally found in whole-grain products, fruits, vegetables, beans, nuts, seeds, and peas. But not everyone gets enough fiber from the foods they eat. To help their body get as much fiber needed for good health, they take supplements. Fiber-rich supplements are known to help lower cholesterol levels, normalize bowel movement, lose weight, maintain bone density, and keep blood sugar steady. They are believed to help reduce the risk of certain cancers, lower the odds of a heart disease, and minimize the risk of type 2 diabetes.

If you feel your diet lacks fiber, you can boost your intake with dietary fiber supplements. We made the search easy for you by comparing different products on the web to find the best of the best. However, we recommend checking first with your doctor especially if you have certain medical conditions.

Buyers Guide

  1. Is there any harm in taking fiber supplements every day?

    Answer: There is no evidence that the daily use of fiber supplements is harmful. If you plan to take fiber supplements, consult with your doctor for the safe amount of dosage a day.

  2. What are the possible side effects of taking fiber supplements?

    Answer: The potential side effects of fiber supplements include gas, abdominal bloating, lowered blood glucose, diarrhea, and unwanted weight loss.

  3. Can you take fiber supplements with vitamins?

    Answer: You may take a vitamins while taking a fiber supplement as long as your supplement does not contain calcium.

Our Top Picks


GoBiotix Prebiotic Fiber Boost Powder

  • 150 grams
  • Gluten free
  • Vegan
  • Organic and plant based

Support digestive regularity with this fiber supplement. It is made from nutraflora FOS, an organic, food-based blend rich in beneficial micro and macro nutrients that your body can readily recognize and absorb. It blocks dietary lectins, completely forming a healthy gut ecosystem. This supplement features a stool hardener and keto blend that help promote optimal digestive function, increase energy levels, and support brain function and mental clarity. It may help accelerate your metabolism and discourage the growth of unfriendly bacteria.


Peak Biome: Official Peak BioBoost

  • 30-day supply
  • Flavorless and easily mixable
  • Improves constipation without gas and bloating
  • One-year guarantee
  • Vegan/Keto/Paleo friendly
  • Only 5 ingredients
  • No artificial flavors or additives

Enjoy the Perfect Poop. Peak BioBoost contains a unique combination of 5 simple science-backed ingredients shown to gently help improve your constipation with up to a 93% success rate. It works by relaxing tense bowel muscles, moving nutrients through your bowel faster, bulking and softening your stool, and supercharging your gut-friendly bacteria. And people love it because it’s easily mixable and flavorless so you can add it straight to your coffee or tea. This helps keep you feeling light and energetic because you won’t be clogged up.


Metamucil Fiber

  • 300 count
  • Plant based
  • Removes waste
  • Allows you to feel lighter

Trap and remove waste that brings you down with this fiber supplement. It may help you feel lighter and more energetic, maintain healthy blood sugar levels, and lower your cholesterol levels. It is sugar free and suitable for people ages 12 and up. This supplement contains plant-based psyllium fiber that helps promote digestive health and regularity. It may help you control your appetite and promote a healthier lifestyle. For new users, start with 1 serving per day, then gradually increase to your desired daily intake. 


Number One Nutrition Premium Psyllium Husk Capsules

  • All natural and potent
  • 240 capsules
  • Made in the USA
  • Helps support regularity

Clean your digestive tract without any discomfort with this fiber supplement. It may help ease constipation and improve heart health by lowering your cholesterol levels. It may boost your intestinal and digestive health by drawing water to your intestines to help soften your stool and keep your bowel movements regular and comfortable. This supplement allows you to feel active and energetic every day by removing the waste that weighs you down. It may help curb your appetite in between meals to keep you feeling fuller longer while promoting weight loss naturally.


Guardian Fiber Capsules

  • 360 count
  • 520 mg
  • 100% natural psyllium husk
  • Promotes digestive health

Maintain good health as part of your diet with this fiber supplement. It may help normalize your bowel movement, lower your risk of developing hemorrhoids, and lower your total blood cholesterol levels. It may help reduce blood pressure and inflammation, which can be beneficial to your heart. This supplement may help slow down the absorption of sugar, improving the blood sugar levels of those with diabetes. It aids in achieving healthy weight, so you’re likely to eat less and stay satisfied longer.


Sam’s West Member’s Mark Fiber Capsules Fiber Supplement

  • 400 count
  • 100% natural psyllium fiber
  • Promotes heart health
  • May lower cholesterol levels

Care for your health with this fiber supplement. It is made from 100% natural psyllium fiber, which is known to help lower cholesterol, maintain healthy blood sugar levels, and promote digestive health. It increases your daily intake of fiber which may help reduce the risk of heart disease. This supplement works as a laxative, promoting regularity and helping normalize your bowel movement. It may help you curb your appetite and stay fuller for longer.


California Basics Zero for Him Dietary Fiber Supplement for Men

  • 150 capsules
  • Strong vegan pills
  • Psyllium husk
  • Gluten free

Keep your bowel movements regular with this fiber supplement. It is specially formulated with vegan psyllium husk fiber, chia seed, and flax seed that build into a solid mass that passes through the digestive tract, working like a sponge to absorb and bind to particles, clearing your bun. It is designed to reduce common side effects such as bloating, nausea, cramps, and gassiness. This supplement is made from cellulose which is commonly suitable for halal and kosher. It is 100% vegan friendly with no gelatin or animal byproduct.

While fiber found in supplements can help with your diet, it will not give the same health benefits as natural sources. It is still recommended to get more fiber from the foods you eat to help you get your fill. More importantly, do not combine fiber with drugs that treat diabetes, high cholesterol, depression, and various heart ailments.