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 21 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Buck Feed Original Protein HorchataBucked Upno amount
- Buck Feed Original Protein Swole WhipBucked Upno amount
- Buck Feed Original Protein VanillaBucked Upno amount
- Buddy Bear Fiber Natural Very Cherry FlavorRenew Life1 g
- Buddy Bear Fiber Very Cherry FlavorRenew Life1 g
- Build Cocoa Flavorath1 g
- Build Maximum MuscleNew Earth Edge1 g
- Bulk & Muscle Formula ChocolateHerbalife · off the market1 g
- Bulk 1340 Cookies & CreamGNC Pro Performance3 g
- Bulk 1340 Double ChocolateGNC Pro Performance2 g
- Bulk 1340 Strawberries & CreamGNC Pro Performance3 g
- Bulk 1340 VanillaGNC Pro Performance3 g
- Bulk 1340 Vanilla Ice CreamGNC Pro Performance3 g
- Bulk Muscle Chocolate Peanut ButterBPI Sports1 g
- Bulk Muscle Cookies and CreamBPI Sportsno amount
- Bulk Muscle Whipped VanillaBPI Sportsno amount
- Bulk Muscle XL ChocolateBPI Sportsno amount
- Bulk-Up Weight Gainer ChocolateTapout Sports Nutrition5 g
- Bulk-Up Weight Gainer VanillaTapout Sports Nutrition5 g
- Bullrush Postworkout Blue RaspberryBetancourt Nutrition · off the market0.1 g
- Bullrush Recelerator Fruit PunchBetancourt Nutrition · off the market0.1 g
- Bullrush Recelerator WatermelonBetancourt Nutrition · off the market0.1 g
- Burn PineappleGHOST2 g
- Burn Teenage Mutant Ninja Turtles ShredderGHOST2 g
- Burn Warheads Sour Black CherryGHOST2 g
- Burn Welch's GrapeGHOST3 g
- C Vitamin Gummies Orange FlavoredDesigner Wellnessno amount
- C-Ascorbs Sustained ReleaseNaturesPlus1 g
- C-BalanceFitLine4 g
- C-Cleanse Natural Orange FlavorPatient One 1 MediNutritionals3 g
- C-Cleanse UnflavoredPatient One MediNutritionals4 g
- C-GlutamineIagen Professionalno amount
- C4 Mass Fruit PunchCellucor11 g
- C4 Mass Icy Blue RazzCellucor11 g
- C4 Mass Pink LemonadeCellucor11 g
- C4 Mass With Creacarb Fruit PunchCellucor11 g
- C4 Mass With Creacarb Icy Blue RazzCellucor11 g
- C4 Pro Whey Protein Hershey's Milk ChocolateCellucor1 g
- C4 Pro Whey Protein Reese's Peanut Butter & ChocolateCellucor1 g
- C4 Pro Whey Protein Vanilla BeanCellucorno amount
- C4 Whey Protein Vanilla BeanCellucorno amount
- C8 Max MCT PowderDouglas Laboratories1 g
- C8 MCT Oil Powder 10 g UnflavoredNutricost1 g
- CacaoZint1 g
- Cacao AlchemyHealthForce SuperFoods2 g
- Cacao NibsBareOrganics4 g
- Cafe Series Select Protein Caramel MacchiatoPEScienceno amount
- Caffeine 200 mgAlpha Caffeineno amount
- Caffeine Free Pump Fuel Raspberry LemonadeNDS Nutrition Productsno amount
- Caffeine Free Pump Fuel Raspberry LemonadePMDno amount