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 76 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Kenzen Vital Balance Meal Replacement Mix Natural Vanilla FlavorNikken Wellness1 g
- Keto BHB ChocolateKetoLogic1 g
- Keto BHB Cucumber LemonDr. Bozno amount
- Keto BHB Gummies 500 mg Oolong PeachReal Ketonesno amount
- Keto BHB Powder Mixed Berry LemonadeSierra Fit1 g
- Keto Body Protein Peptides ChocolatePortions Master Vegan7 g
- Keto Body Protein Peptides Vanilla CreamPortions Master Vegan7 g
- Keto Brain and Body Boost Peach FlavorLife Extension18 g as transcribed, likely a slip
- Keto Burn BHB Gummies Raspberry FlavorKeto Scienceno amount
- Keto Burn Gummies Berry FlavorKeto Science · off the market4 g
- Keto Cocoa ChocolateKiss My Keto · off the market3 g
- Keto Cocoa Milk Chocolate FlavorGiant Sports International1 g
- Keto Coffee Caramel Macchiato FlavorRapid Fireno amount
- Keto Coffee French Vanilla FlavorRapid Fireno amount
- Keto Coffee Hazelnut FlavorRapid Fireno amount
- Keto Coffee Original BlendRapid Fireno amount
- Keto Coffee UnsweetenedGiant Sports International1 g
- Keto Collagen + Coconut CreamHVMN1 g
- Keto Collagen + Salted CaramelHVMN1 g
- Keto Collagen + UnflavoredHVMN1 g
- Keto Collagen Birthday CakeKiss My Keto1 g
- Keto Collagen ChocolateKiss My Keto2 g
- Keto Collagen MCT Powder UnflavoredTerra Origin1 g
- Keto Collagen+ ChocolateHVMN3 g
- Keto Collagen+ HazelnutHVMN1 g
- Keto Collagen+ VanillaHVMN2 g
- Keto CreamerKiss My Keto2 g
- Keto Creamer ChocolateKiss My Keto3 g
- Keto Creamer Original FlavorRapid Fire · off the marketno amount
- Keto Creamer UnflavoredKiss My Keto1 g
- Keto FIBERAncient Nutrition5 g
- Keto Fit Fair Trade ChocolateGarden of Life Dr. Formulated Keto4 g
- Keto Fit VanillaGarden of Life Dr. Formulated Keto4 g
- Keto Fuel All Natural CitrusWellthy Nutraceuticalsno amount
- Keto Meal Shake Chocolate CreamKeto Science1 g
- Keto Peptides ChocolateBPI Sports1 g
- Keto Protein ChocolateKiss My Keto2 g
- Keto Protein ChocolateGNC Total Lean1 g
- Keto Protein ChocolateAncient Nutrition1 g
- Keto Protein Cinnamon BunGNC Total Lean1 g
- Keto Protein Cmplx Chocolate MadnessFaktritionno amount
- Keto Protein Cmplx Coffee AddictionFaktritionno amount
- Keto Protein Cmplx Vanilla ManiaFaktritionno amount
- Keto Protein VanillaAncient Nutrition1 g
- Keto Shake ChocolateEPX Body · off the market6 g
- Keto Shake Chocolate CoconutVMI Sports Keto Seriesno amount
- Keto Shake Chocolate CoconutAboutTime3 g
- Keto Shake Cocoa FlavorDr. Berg3 g
- Keto Shake Protein + Fat Complex Chocolate FlavorSierra Fit4 g
- Keto Shake Protein + Fat Complex Vanilla FlavorSierra Fit1 g