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 128 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Protein for Her Caramel MochaFoxyFitno amount
- Protein French VanillaNatural Factors · off the market2 g
- Protein French VanillaBlack Magicno amount
- Protein Ice Acai PomegranateANSI Advanced Nutrient Scienceno amount
- Protein Ice AppleANSI Advanced Nutrient Science Intlno amount
- Protein Ice Blue RaspberryANSI Advanced Nutrient Scienceno amount
- Protein Ice Fruit PunchANSI Advanced Nutrient Scienceno amount
- Protein Ice GrapeANSI Advanced Nutrient Scienceno amount
- Protein Ice Power Shot AppleANSI Advanced Nutrient Scienceno amount
- Protein Ice Power Shot Peach MangoANSI Advanced Nutrient Scienceno amount
- Protein Ice Power Shot WatermelonANSI Advanced Nutrient Scienceno amount
- Protein Ice WatermelonANSI Advanced Nutrient Scienceno amount
- Protein Juice Mixed BerryGNC Live Well · off the market1 g
- Protein Juice Orange CreamGNC Live Well · off the market1 g
- Protein Paks ChocolateBody Fortressno amount
- Protein Paks VanillaBody Fortressno amount
- Protein Pancakes Maple SyrupAbout Time2 g
- Protein Plus ChocolateMET-Rx · off the market1 g
- Protein Plus Powder ChocolateMET-Rx · off the market1 g
- Protein Revolution ChocolateMET-Rx2 g
- Protein Shake Cereal MilkGHOST1 g
- Protein Shake ChocolateBody Fortress3 g
- Protein Shake Mix Chocolate FlavorArbonne Essentials · off the market2 g
- Protein Shake Mix Cinnamon Roll FlavorArbonne Essentials · off the market6 g
- Protein Shake Mix Vanilla FlavorArbonne Essentials · off the market2 g
- Protein Shake VanillaBody Fortress2 g
- Protein Shot BerryFrog Fuel · off the marketno amount
- Protein Strawberry MilkshakeBowmar Nutritionno amount
- Protein UnflavoredNatural Factors · off the market2 g
- Protein Vanilla DreamLive Conscious1 g
- Protein Very VanillaEe Essential elements1 g
- Protein Whey Isolate Chocolate BrowniePortions Master1 g
- Protein Whey Isolate Peanut Butter CupPortions Master1 g
- Protein+ Energy Chocolate MochaTrusource1 g
- Proteinification Whey Protein CrispsBPT · off the market1 g
- ProtiZyme Banana CremeMetabolic Nutrition1 g
- ProtiZyme Butter Pecan CookieMetabolic Nutrition2 g
- ProtiZyme Chocolate CakeMetabolic Nutrition1 g
- ProtiZyme Peanut Butter CookieMetabolic Nutrition1 g
- ProtiZyme Strawberry CremeMetabolic Nutrition1 g
- ProtiZyme Vanilla CakeMetabolic Nutrition1 g
- Proto Whey Cafe MochaBionutritional Research Group · off the market3 g
- Proto Whey Cafe MochaPower Crunch3 g
- Proto Whey Cookies & CremePower Crunch3 g
- Proto Whey Double ChocolateBionutritional Research Group · off the market3 g
- Proto Whey Double ChocolatePower Crunch2 g
- Proto Whey Vanilla CremeBionutritional Research Group · off the market3 g
- Proto Whey Vanilla CremePower Crunch2 g
- ProtoClear BerryProtocol For Life Balance2 g
- ProtoClear ChocolateProtocol For Life Balance2 g