Fiber Supplement Roundup
We analyzed 20 products to help you choose the healthiest & safest options.
Finding the perfect Fiber Supplement shouldn't feel like a guessing game. At CakeID, we take food transparency seriously. We have analyzed over 20 products in this category, breaking down every ingredient list to uncover hidden additives, excessive sugar levels, and potential allergens.
Whether you are searching for strictly Vegan options, Gluten-Free snacks, or simply want to avoid high-processed foods, our algorithm ranks products based on a comprehensive Health Score. Below is our definitive ranking of the safest and healthiest Fiber Supplement you can buy in 2026, sorted by their ingredient purity.
Editor's Quick Picks
Detailed Reviews

The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed

Benefiber Prebiotic Fiber + Probiotics Dietary Supplement
Ingredients: water, sucrose, pectin, natural flavors, citric acid, sodium citrate, color, grape juice concentrate, watermelon juice concentrate, coconut oil, carnauba wax, corn starch
The Good
- ● Excellent Health Score
- ● Low Sugar
The Bad
- ● Ultra Processed

Benefiber Previotic Fiber Supplement
Ingredients: wheat dextrin, sorbitol, corn starch, microcrystalline cellulose, dextrates, citric acid, natural and artificial flavor (soy) magnesium stearate, silicon dioxide, sucralose, aspartame** acesulfame potassium, red 40 lake, yellow 6 lake, blue 1 lake "phenylketonurics: contains phenylalanine rev c 3 g 11%' 3 g og keep out of reach of children, if you are pregnant or nursing a baby, ask a healthcare professional before use, not a substitute for a balanced diet, due to the risk of choking, the chewable tablet is not to be used in children under the age of 5 store at controlled room temperature 20-25°c (68-77°f) 32020 gsk or licenses, grea
The Good
- ● Sugar Free
The Bad
- ● Contains Red 40 (Allura Red)

Psyllium Fiber Supplement
Ingredients: Psyllium husk, maltodextrin, citric acid, natural and artificial orange flavor, aspartame, Yellow 6
The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed

Psyllium Fiber Supplement
Ingredients: Psyllium husk, maltodextrin, citric acid, natural and artificial orange flavor, aspartame, Yellow 6
The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed

The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed

Psyllium Fiber Supplement
Ingredients: psyllium husk, maltodextrin, citric acid, natural and artificial orange flavor, aspartame, yellow 6
The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed

Meta mucil fiber thins
Ingredients: Wheat flour, cocoa (processed with alkali), palm oil, fructose, inulin, oat hull fiber, psyllium husk, brown sugar, sugar, corn oil, soy lecithin, sodium bicarbonate, natural and artificial cookie flavors, molasses, sucralose. CONTAINS: SOY, WHEAT DIST, BY: PROCTER & GAMBLE, CINCINNATI, OH 45202 BEST IF USEL
The Good
- ● Convenient Snack
The Bad
- ● Ultra Processed

Psyllium Fiber Supplement
Ingredients: psyllium husk, maltodextrin, citric acid, natural and artificial orange flavor, aspartame, yellow 6
The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed

The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed

The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed

Fiber Well Fiber Supplement
Ingredients: Polydextrose, water, gelatin, xylitol; less than 2% of: blend of oils (coconut and/or palm) with beeswax and/or carnauba wax, colors (annatto extract, blueberry and carrot concentrates, purple carrot juice concentrate), malic acid, natural flavors, sucralose.
The Good
- ● Excellent Health Score
- ● Sugar Free
The Bad
- ● Ultra Processed

The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed

The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed

The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed

The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed

The Good
- ● Clean Ingredients
The Bad
- ● Ultra Processed

The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed

Fiber Therapy
Ingredients: Sucrose, Psyllium Husk, Citric Acid, Natural and Artificial Orange Flavor, Silica, FD&C Yellow No. 6.
The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed

Prebiotic Fiber Supplement
Ingredients: Wheat dextrins, microcrystalline cellulose. Contains <2%: magnesium stearate.
The Good
- ● Excellent Health Score
- ● Sugar Free
- ● Clean Ingredients
The Bad
- ● Ultra Processed
