fiber
Fiber supplements
Half of the 6,987 fiber supplements in the NIH label database that print an amount list 2 g or less per serving; the middle half list 1 g to 4 g (DSLD version 9.4.0, January 2026). The 506 products whose only supplement ingredient is fiber list a median of 2 g.
- Products listing it
- 8,7186,987 print an amount; 74 list it inside a blend without an amount
- Median per serving
- 2 gmiddle half 1 g to 4 g
How much fiber do supplements contain?
The median product lists 2 g per serving. One in ten lists 1 g or less, one in ten 6 g or more. The amount printed most often is 1 g (2,773 products).
Products by amount of fiber per serving
6,987 products, log scale; extreme 0.2% at each end left out of the drawing.
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
Which products list the most fiber?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- QCarbo32 Grape FlavorHerbal Clean16 g
- Lean Meal Grass-Fed Whey Protein VanillaAdaptogen Research16 g
- Lean Meal Grass-Fed Whey Protein ChocolateAdaptogen Research16 g
- QCarbo32 Tropical FlavorHerbal Clean16 g
- Complete Whole Food Health Optimizer Natural FlavorSequel Vega15 g
- Complete Whole Food Health Optimizer Berry FlavorSequel Vega15 g
- Complete Whole Food Health Optimizer Vanilla Chai FlavorSequel Vega15 g
- Liquid Fiber Sugar Free OrangeNature's Way15 g
Have the amounts changed over the years?
Products whose current label entered DSLD in 2011 list a median of 2 g; those entered in 2025, 1.2 g.
| Year | Products | Median per serving |
|---|---|---|
| 2011 | 130 | 2 g |
| 2012 | 313 | 2 g |
| 2013 | 489 | 2 g |
| 2014 | 496 | 2.5 g |
| 2015 | 476 | 2 g |
| 2016 | 367 | 2 g |
| 2017 | 413 | 1 g |
| 2018 | 396 | 2 g |
| 2019 | 363 | 2 g |
| 2020 | 677 | 2 g |
| 2021 | 535 | 2 g |
| 2022 | 505 | 2 g |
| 2023 | 591 | 1.5 g |
| 2024 | 672 | 1.9 g |
| 2025 | 564 | 1.2 g |
Source: DSLD label entry dates and amounts, current labels.
In which products and brands?
Products listing fiber by DSLD product type
Brands listing it most: Nature's Plus (123), Nature's Way (116), Garden of Life (76), XYMOGEN (76), Natural Factors (74), NOW (67), Metagenics (64), Enzymatic Therapy (61), Source Naturals (60), Amazing Grass (57).
Every product listing fiber
8,718 products, A to Z by name (page 18 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Beyond Osteo-fx Tropical VanillaYoungevity1.9 g
- Beyond Osteo-fx Tropical Vanilla FlavorYoungevity0.3 g
- Beyond Tangy Tangerine 2.0 Citrus Peach FusionYoungevityin a blend
- Beyond WellnessKAL1 g
- BHB Berry LemonadeNatures Plus KetoLiving1 g
- Bifido Factor Dairy FreeNatren1 g
- Bifidus Lower GI Tract ProbioticNew Earth Wild Essentials1 g
- Big Blend Proteosynthetic French VanillaBetancourt Nutritionno amount
- BIG BLEND Proteosynthetic Vanilla CappuccinoBetancourt Nutritionno amount
- BIG BLEND Proteosynthetic White Chocolate PowderBetancourt Nutritionno amount
- Big Max Rich ChocolateMM Sports Nutrition3 g
- BIN 100% CHXN UnflavoredBarnDad Innovative Nutrition1 g
- Bio Engineered Waximaize Fruit PunchNew Whey Nutrition · off the marketno amount
- Bio Engineered Waximaize GrapeNew Whey Nutrition · off the marketno amount
- Bio Engineered Waximaize Natural FlavorNew Whey Nutrition · off the marketno amount
- Bio-Active HoneySun Potionno amount
- Bio-Fiber 750 mgSwanson Premium Brand · off the market1 g
- Bio-GreensMBi Nutraceuticals1.7 g
- Bio-Inflammatory Plus Functional FoodBioGenesis Nutraceuticals · off the market6 g
- Bio-Logical Super Whey Chocolate BerryPrecision Engineered2 g
- Bioactive Sleep Shot DreamberryIsodiolno amount
- Bioactive TruFiberMaster Supplements Incorporated3.53 g
- BioCleanseBioGenesis Nutraceuticals · off the market1 g
- BioCleanseNutra BioGenesis2 g
- BioCleanse PlusBioGenesis Nutraceuticals · off the market2 g
- BioCleanse PlusNutra BioGenesis3 g
- BioGreens Organicplnt By V · off the market2 g
- BioGreens Organicplnt1 g
- BioMaintenance Prebiotic + FiberMetabolic Maintenance5 g
- Biome DTX Citrus FlavorSynergy2 g
- BioQuercetin Forte Pain Guard FortePerque · off the market0.035 g
- BiotagenKlaire Labs4 g
- Biothin Fermented Apple Cider Vinegar and CayenneDr. Mercola1 g
- Biothin Herbal Autophagy ComplexDr. Mercola1 g
- Biothin Metabolic UnflavoredDr. Mercola4 g
- Biotin Jelly Beans Strawberry FlavorVitaDropsno amount
- Biotin with Fibersol-2 PowderNOW1 g
- BioTrust Low Carb Milk ChocolateBioTrust · off the market4 g
- BioTrust Low Carb Vanilla CreamBioTrust4 g
- Black Cherry ConcentrateOnly Natural · off the market1 g
- Black Cherry ConcentrateThe Vitamin Shoppeno amount
- Black CohoshNature's Way · off the market1 g
- Black Elderberry ElixirCalifornia Academy of Health1 g
- Black Elderberry Gummies with Vitamin C & ZincSambucol · off the marketno amount
- Black Elderberry Immune-Plus ElixirCalifornia Academy of Health · off the market1 g
- Black Elderberry Kids GummiesSambucol · off the marketno amount
- Black Maca Powderplnt Organics1 g
- Black Powder Blue RaspberryMRIno amount
- Black Powder Fruit ExplosionMRIno amount
- Black Seed Ground Premium Black Cumin SeedAmazing Herbs1 g