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 113 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Ostinol Chocolate ChewsZycal Bioceuticals · off the marketno amount
- Outlive 100 Apple CinnamonKaged Muscle Naturals · off the market1 g
- Outlive 100 Apple CinnamonKaged1 g
- Outlive 100 BerryKaged Muscle Naturals · off the market1 g
- Outlive 100 BerryKaged1 g
- OxyGreens Forest Berries FlavourEHPlabs2 g
- OxyShred Hardcore Cali ColaEHPlabs1 g
- OxyShred MangoEHPlabs · off the market1 g
- OxyShred Non-Stim Kiss My PeachEHPlabs0.3 g
- Oxyshred Thermogenic Fat Burner MangoEHPlabs1 g
- Oxyshred Ultra Concentration Wild MelonEHPlabs0.2 g
- Oxyshred Ultra Energy Gummy SnakeEHPlabsno amount
- P 100% Plant Protein Vanilla FlavorBiochem4 g
- P+ 100% Plant Protein Flex Vanilla FlavorBiochem4 g
- P+ 100% Plant Protein Lean Vanilla FlavorBiochem4 g
- P+ 100% Plant Protein Mood Vanilla FlavorBiochem4 g
- P90X Results And Recovery Formula Smooth OrangeBeachbody1 g
- Pain Guard FortePerque0.0076 g as transcribed, likely a slip
- Painfree Chocolate Classic Chai FlavorThe Functional Chocolate Company1 g
- Paleo Protein Triple ChocolateMHP Maximum Human Performance2 g
- Paleo Protein Unflavored and UnsweetenedNatures Plus · off the market5 g
- Paleo Protein Unflavored and UnsweetenedNaturesPlus · off the market8 g
- Paleo Protein Vanilla AlmondMHP Maximum Human Performance1 g
- Paleo Thin Egg White Protein 21 g EspressoJulian Bakeryno amount
- Paleo Thin Egg White Protein 21 g VanillaJulian Bakeryno amount
- Paleo Thin Egg White Protein 24 g UnflavoredJulian Bakeryno amount
- PaleoBeef ChocolateAdaptogen Research1 g
- PaleoFiber Natural Berry FlavorDesigns for Health4 g
- PaleoFiber Unflavored And UnsweetenedDesigns for Health4 g
- PaleoGreens Lemon-Lime FlavorDesigns for Health1 g
- PaleoGreens Mint FlavorDesigns for Health1 g
- PaleoGreens Unflavored And UnsweetenedDesigns for Health1 g
- PaleoMeal DF Natural Vanilla FlavorDesigns for Health8 g
- PaleoMeal Natural Chocolate FlavorDesigns for Health3 g
- PaleoMeal Natural Strawberry FlavorDesigns for Health3.5 g
- PaleoMeal Natural Vanilla Flavor UnsweetenedDesigns for Health3 g
- PaleoMeal-DF Natural Berry FlavorDesigns for Health5 g
- PaleoPea ChocolateAdaptogen Research1 g
- PaleoReds Natural Strawberry FlavorDesigns for Health1 g
- Panax Ginseng 520 mgNOW · off the market0.5 g
- Part 2Advanced Naturals · off the market2.5 g
- Part 2 Fiber CleanseNature's Secret4 g
- Part II: Digestive Health BlendNature's Way1 g
- Part III: Herbal Digestive SweepNature's Way · off the market1 g
- Passion Fruit CoconutN by Nutrilite · off the market7.5 g
- Patriot's Whey Chubby Choco Nutz'Merica Labz2 g
- Patriot's Whey Double StuffedMerica Labzno amount
- Patriot's Whey Fortuitous KeepsakesMerica Labzno amount
- Patriot's Whey Mamaw's Banana Puddin''Merica Labz1 g
- Patriot's Whey Strawberry Bundt Cake'Merica Labz1 g