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 20 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Brain Boost Chocolate MochaOrganic Muscle1 g
- Brain ChargeSource Naturals1 g
- Brain DustMoon Juice1 g
- Brain Dust SachetsMoon Juice1 g
- Brain Fuelprima2 g
- Brain Gummies Natural Elderberry Flavoriwi3 g
- Brain Superfood Tonic Blue Raspberry FlavorNested Naturals1 g
- BrainSustain Creamy ChocolateXYMOGEN EP · off the market4 g
- BrainSustain Creamy ChocolateXYMOGEN8 g
- BrainSustain For Kids Vanilla DelightXYMOGEN EP · off the market2 g
- BrainSustain for Kids Vanilla DelightXYMOGEN2 g
- BrainSustain Vanilla DelightXYMOGEN EP · off the market3 g
- BrainSustain Vanilla DelightXYMOGEN6 g
- Brainy Chocolate Zesty Orange FlavorThe Functional Chocolate Company1 g
- Brawn Chocolate Cake ShakeMagnum0.5 g
- Brawn Vanilla Ice Cream DreamMagnum0.5 g
- Break it Down. Organic PineappleOra1 g
- Breakfast Squares Iced Cinnamon BunGNC Total Lean10 g
- Breakfast Squares Oatmeal Chocolate ChipGNC Total Lean10 g
- Breakfast Squares Strawberries & CreamGNC Total Lean10 g
- Brewer's YeastThe Vitamin Shoppe1 g
- Brewer's Yeast FlakesBluebonnet Super Earth · off the market3 g
- Brewer's Yeast FlakesBluebonnet3 g
- Brewer's Yeast PowderVitamin World3 g
- Brewer's Yeast PowderThompson7 g
- Brewer's Yeast PowderBluebonnet Super Earth6 g
- Brewer's Yeast PowderMommy Knows Best3.5 g
- Brewer's Yeast PowderHerbal Secrets · off the market7 g
- Brewer's Yeast Powder UnflavoredSolgar6 g
- Brewer's Yeast Powder UnflavoredBluebonnet Super Earth · off the market6 g
- Brewer's Yeast Powder UnflavoredBluebonnet6 g
- Brewer's Yeast Pure PowderBest Naturals7 g
- Brewers Yeast UnflavoredNutricost10 g
- Bright Eyes with Bilberry & LuteinLifeno amount
- Broad Spectrum CBD Oil Apple Kiwi Bliss 50 mg/mLGreen Roadsno amount
- Broad Spectrum CBD Oil Mint Breeze 25 mg/mLGreen Roadsno amount
- Broad Spectrum Hemp Gummies 300 mgRx Selectno amount
- Broad Spectrum Hemp Softgels 300 mgRx Selectno amount
- Broad Spectrum Prebiotic UnflavoredInnovixLabs3 g
- Broccoli PowderBIOVEA Natural Foods1 g
- Bromelain 2400 GDUIntegrative Therapeutics1 g
- Bronchial WellnessGaia Herbs1 g
- Bronchial Wellness RapidRelief Herbal TeaGaia Herbs RapidRelief · off the market1 g
- Bronson Bears Chewable Chocolate ProbioticBronson Laboratories0.5 g
- Brown Rice ProteinHerb Stop2 g
- Brown Rice Protein Concentrate Chocolate FlavorJarrow Formulas · off the market1 g
- Brown Rice Protein Concentrate Mixed Berry FlavorJarrow Formulas · off the market1 g
- Brown Rice Protein Concentrate Vanilla FlavorJarrow Formulas · off the market1 g
- Buck Feed Original Protein ChocolateBucked Upno amount
- Buck Feed Original Protein Chocolate MintBucked Upno amount