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 24 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Casein Protein Elite Series Triple ChocolateSix Star Pro Nutrition1 g
- Casein Protein Powder 30 gBulkSupplements.comno amount
- Casein Strawberry4DN · off the market2 g
- Casein Vanilla4DN · off the market2 g
- Casein VanillaBodybuilding.com Signature · off the market1 g
- Casein Vanilla CreamMusclePharm1 g
- Casein Vanilla MilkshakeBodybuilding.com Signature1 g
- CASEIN-FX VanillaALLMAX · off the market1 g
- CASEINFX ChocolateALLMAX · off the market2 g
- CASEINFX Protein ChocolateALLMAX1 g
- CASEINFX Protein VanillaALLMAXno amount
- Casien+ Milk ChocolateLegion1 g
- Cat's ClawSource Naturals1 g
- Cat's Claw Bark 1,455 mgNature's Way1 g
- Cat's Claw Bark 485 mgNature's Way · off the market1 g
- CatalystMannatech1 g
- Catie's Whole Plant Food GreensCatie's5 g
- CaveMan True Paleo Formula Chocolate FlavorInfoWars Life1 g
- CBD + CBG 500 mgSteve's Goodsno amount
- CBD + CBG Blueberry 1000 mgSteve's Goodsno amount
- CBD + CBG Blueberry 500 mgSteve's Goodsno amount
- CBD + CBG Maui Pineapple 1250 mgSteve's Goodsno amount
- CBD + CBG Watermelon 1000 mgSteve's Goodsno amount
- CBD + CBG Watermelon 500 mgSteve's Goodsno amount
- CBD DropsEast Fork Cultivarsno amount
- CBD Gummies 15 mgHemp Bombsno amount
- CBD Gummies 30 mgHemp Bombsno amount
- CBD Gummies Botanical Blend 15 mgHemp Bombsno amount
- CBD Gummies Peach RingsPharma Hemp Complexno amount
- CBD Gummies SleepHemp Bombsno amount
- CBD Gummies with Elderberry Extract 15 mgHemp Bombsno amount
- CBD Gummy BearsPharma Hemp Complexno amount
- CBD Immune Boost Gummies 750 mgPure Craftno amount
- CBD Infused Fruit GummiesHempWorxno amount
- CBD Raw Hemp Protein PowderPharma Hemp Complex1 g
- CBDrop Full Spectrum OilHealthlife CBDno amount
- CBG + CBD Immunity Gummies Mixed Berry 25 mghhemp.cono amount
- Celebrate ReBuild Berry BurstCelebrate5 g
- Celebrate ReBuild ChocolateCelebrate6 g
- Celebrate ReBuild Cookies & CreamCelebrate5 g
- Celebrate ReBuild Iced MacchiatoCelebrate5 g
- Celebrate ReBuild Peanut Butter CookieCelebrate5 g
- Celebrate ReBuild UnflavoredCelebrate4 g
- Celery Juice PowderMicro Ingredients1 g
- Celery Juice UnflavoredDietWorks1 g
- Celery PowerGarden Greensno amount
- Cell Formula With AntioxidantsNature's Way · off the market1 g
- Cell Forte Purple Mushroom DefenseEnzymatic Therapy · off the market1 g
- Cell RushAll American EFXno amount
- Cell Tech Fruit PunchMuscleTech Performance Series2 g