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 175 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- ZenZymes+Zenwise1 g
- Zero Carb Fat Incinerating SFO Graham CrackerVPXno amount
- Zero Carb Fat Incinerating Zerotein Serious ChocolateVPX · off the marketno amount
- Zero Carb Fat Incinerating Zerotein StrawberryVPX · off the marketno amount
- Zero Carb Fat Incinerating Zerotein Vanilla DreamVPX · off the marketno amount
- Zero Carb SRO Chocolate DreamVPXno amount
- Zero Carb SRO Graham CrackerVPXno amount
- Zero Carb SRO Serious ChocolateVPXno amount
- Zero Carb SRO StrawberryVPXno amount
- Zero Carb SRO Vanilla BlastVPXno amount
- Zero Carb SRO Vanilla DreamVPXno amount
- Zero Sugar Vitamin D3 1000 IU Gummies Wild BerryNordic Naturals1 g
- Zi Xiu TangGuangzhou Zixiutang Biotechnology · off the marketin a blend
- Zinc & Throat Guard LozengesPerque0.025 g
- Zinc Gummies with ElderberryAbsolute Immunityno amount
- ZipStixIndiana Botanic Gardens2 g
- ZuCollagen Chocolate BrownieUMZU1 g
- Zupa Protein Greenz Banana FlavorXtendlife1 g