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 64 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Hair & SkinNature's Way1 g
- Hangover FormulaSource Naturals1 g
- Hard Whey Hydro 4Chaotic-Labz1 g
- Hardcore Base ShakeBeachbody Extreme Nutrition1 g
- Harmonia DeluxeD'Adamo Personalized Nutrition Genoma2 g
- Hawaiian NoniSwanson Ultra · off the market3 g
- Hawaiian Noni JuiceEB Earth's Bounty · off the market3 g
- Hawaiian Noni Juice BlendEB Earth's Bounty1 g
- Hawaiian SpirulinaHealth Ranger Selectno amount
- Hawaiian Spirulina Natural Vanilla Protein ShakeNutrex Hawaii1 g
- Hawthorn BerriesNature's Way1 g
- Hawthorn PhytomeEnzymatic Therapy · off the market1 g
- Hawthorn PhytosomeIntegrative Therapeutics1 g
- HBP CompleteEclectic Herb1 g
- HDL AssistEnzymatic Therapy · off the market1 g
- HDL BoosterEnzymatic Therapy · off the market1 g
- Hdl RxIntegrative Therapeutics1 g
- Health & Energy ShotMighty Muscadineno amount
- Healthy & Lite Shake VanillaSpectra Wellness Solutions1 g
- Healthy Blend Juice BlendDynamic Health Laboratories · off the marketno amount
- Healthy Defense Citrus PomegranateFRS2 g
- Healthy Defense Pomegranate BlueberryFRS2 g
- Healthy Digestion Formula Refreshing CitrusGNC Preventive Nutrition6.5 g
- Healthy Energy Citrus PomegranateFRS2 g
- Healthy Energy Lemon LimeFRS2 g
- Healthy Energy Low Cal OrangeFRS2 g
- Healthy Energy OrangeFRS2 g
- Healthy Energy Peach MangoFRS2 g
- Healthy Energy Wild BerryFRS2 g
- Healthy FiberHealthy Origins6.5 g
- Healthy LiverWholeHealth1 g
- Healthy Metabolism Soft Chew Pink LemonadeGNC Total Lean2 g
- Healthy Protein Blackberry AcaiFRS7 g
- Healthy Protein Orange CreamFRS7 g
- Healthy ShapeBenefiber5 g
- Healthy Skin Within Skin ElixirArbonne · off the market1 g
- Healthy Slim TropicalFRS2 g
- Heart & Vascular Health StrawberryHealthyCell1 g
- Heart Health Coffee With SuperfoodsBareOrganicsno amount
- Heart ScienceSource Naturals1 g
- Heart Strong Q10 with Fish Oil & ResveratrolLifeno amount
- Heart Superfood Tonic Cranberry Pomegranate FlavorNested Naturals1 g
- HeartBeat Cholesterol Support Orange FlavorDreamQuest Nutraceuticals · off the market1 g
- Hematin Anemia GuardPerque0.269 g
- Hematin Anemia Guard TabsulesPerque0.269 g
- Hemp Derived CBD Gummies 450 mgOXZGENno amount
- Hemp Derived CBD Gummies 900 mgOXZGENno amount
- Hemp Derived CBD Sleep Support Gummies 450 mgOXZGENno amount
- Hemp Force Active Choco MacaOnnit6 g
- Hemp Gold Cocoa FlavorATH3 g