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 143 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Solstic Immune Strawberry Lemonade FlavorNature's Sunshine1 g
- Solstic Twenty-FourNature's Sunshine · off the market2 g
- Solstic Twenty-Four Natural Raspberry Lemonade FlavorNature's Sunshine2 g
- Soluble Fiber CapsYerba Prima5.4 g
- Soluble Fiber FormulaYerba Prima10.6 g
- SorbitolBulkSupplements.comno amount
- Sorbitol Powder 3000 mgBulkSupplements.comno amount
- Source Of Life Bar Whole Life Energy Enhancer Chocolate Berry CrunchNature's Plus · off the market1 g
- Source Of Life CapsulesNature's Plus · off the market2 g
- Source Of Life CapsulesNaturesPlus2 g
- Source Of Life Daily Blast Energy Elixir Natural Tropical Fruit FlavorNature's Plus · off the market1 g
- Source Of Life Energy ShakeNature's Plus · off the market1 g
- Source of Life Energy Shake Natural Delicious Creamy Granola FlavorNaturesPlus · off the market2 g
- Source Of Life Gold Bar Delicous Chocolate Berry FlavorNature's Plus · off the market6 g
- Source Of Life Gold Energy Shake Natural Delicious Tropical Berry FlavorNature's Plus · off the market1 g
- Source of Life Green and RedNatures Plus · off the market1 g
- Source of Life Green and Red Mini-TabsNatures Plus1 g
- Source of Life Green LightningNatures Plus1 g
- Source Of Life Green Lightning BarNature's Plus · off the market4 g
- Source of Life Mini-TabsNatures Plus1 g
- Source of Life Mini-Tabs No IronNatures Plus · off the market1 g
- Source Of Life Multi Color Whole Food Lightning 30 Daily Multi-packsNature's Plus · off the market2 g
- Source of Life Multi-Vitamin & Mineral Mini-Tabs No IronNatures Plusanother unit
- Source of Life Multi-Vitamin & Mineral No IronNatures Plus1 g
- Source of Life Multi-Vitamin & Mineral No IronNaturesPlus1 g
- Source of Life Multi-Vitamin & Mineral with Whole Food Concentrates Mini-TabsNatures Plus1 g
- Source of Life Multi-Vitamin & Mineral with Whole Food Concentrates TabletsNatures Plus1 g
- Source Of Life Power Teen Bar Delicious Chocolate Berry FlavorNature's Plus · off the market1 g
- Source of Life RedNatures Plus · off the market1 g
- Source of Life RedNaturesPlus1 g
- Source Of Life Red Energy Shake Natural Exotic Red Fruit FlavorNature's Plus · off the market1 g
- Source Of Life Red Lightning BarNature's Plus · off the market4 g
- Source of Life Red Liquid Natural Delicious Mixed Berry FlavorNatures Plus2 g
- Source Of Life Red Mini TabsNatures Plus · off the market1 g
- Source of Life TabletsNature's Plus Source of Life · off the market1 g
- Source of Life TabletsNatures Plus · off the market1 g
- Source Of Life With Whole Food Concentrates Mini-TabsNature's Plus · off the market1 g
- Source of Life With Whole Food Concentrates No IronNatures Plus · off the market1 g
- Source Of Life with Whole Food Concentrates TabletsNature's Plus · off the market1 g
- Soure of Life Green LightningNature's Plus · off the market1 g
- Soy Bran 500 mgPuritan's Pride1 g
- Soy Isolate Unflavored PowderLuckyVitaminno amount
- Soy Protein 95 ChocolateGNC Pro Performance1 g
- Soy Protein 95 UnflavoredGNC Pro Performanceno amount
- Soy Protein 95 VanillaGNC Pro Performanceno amount
- Soy Protein FormulaGreens Today4 g
- Soy Protein French Vanilla CreamSix Star Pro Nutrition4 g
- Soy Protein Instantized Powder Vanilla FlavorPuritan's Prideno amount
- Soy Protein Isolate (90% Protein)BulkSupplements.com3 g
- Soy Protein Isolate Creamy ChocolateNOW Sportsno amount