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 100 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- NeoLife Shake ChocolateNeoLife Shake5 g
- NeoLife Shake Creamy VanillaNeoLife Shake5 g
- NeoLife Shake Rich ChocolateNeoLife Shake5 g
- NeoLifeBar Dark Chocolate Peanut ButterNeoLife · off the market5 g
- NeoLifeBar Fruit & NutsNeoLife · off the market5 g
- NeoLifeShakeNeoLife · off the market5 g
- NeoLifeShake Berries n' CreamNeoLife Nutritionals · off the market5 g
- NeoLifeShake Berries n' CreamNeoLife · off the market5 g
- NeoLifeShake Creamy VanillaNeoLife Nutritionals · off the market5 g
- NeoLifeShake Creamy VanillaNeoLife · off the market5 g
- NeoLifeShake Rich ChocolateNeoLife Nutritionals · off the market5 g
- NeoLifeShake Rich ChocolateNeoLife · off the market5 g
- NeoLifeShake VanillaNeoLife Nutritionals5 g
- NeuracelSuccess Etc · off the market1 g
- Neuro-Natural GeneralXtendlife1 g
- Neuro-Natural RecallXtendlife1 g
- Neuro-Natural SerenityXtendlife1 g
- Neuro-Natural SleepXtendlife1 g
- NeuroActiv6 Natural Berry FlavorNatural Cell Supplements1 g
- New GreensPure Prescriptions2 g
- New Zealand Grass-Fed Super Protein Dark Chocolate FudgeFortifeye Performance Nutrition2 g
- New Zealand Plant Protein Powder ChocolateAntler Farms1 g
- New Zealand Plant Protein Powder VanillaAntler Farms1 g
- New Zealand Whey Protein Isolate ChocolateAntler Farms1 g
- New Zealand Whey Protein Isolate Iced MochaAntler Farmsno amount
- New Zealand Whey Protein Isolate Mixed BerryAntler Farmsno amount
- New Zealand Whey Protein Isolate Peanut Butter ChocolateAntler Farms1 g
- New Zealand Whey Protein Isolate UnflavoredAntler Farmsno amount
- New Zealand Whey Protein Isolate VanillaAntler Farmsno amount
- Nexabiotic Prebiotic FiberDrFormulas · off the market4.5 g
- Nexabiotic Prebiotic Fiber Gummies for Kids & AdultsDrFormulas4.5 g
- NF Formulas Spectra ProbioticIntegrative Therapeutics2 g
- Nickelodeon SpongeBob SquarePants Probiotic + Prebiotic Natural Berry BlastInternational Vitamin Corporation0.03 g
- Night Time Superfoods Hot Cocoamoonbrew1 g
- Nightfood Cookies N' DreamsNightFood5 g
- Nightfood Midnight Chocolate CrunchNightFood6 g
- Ningxia RedYoung Living1 g
- Nitric Blast Pink LemonadeSNI Hardcore Series · off the marketin a blend
- Nitric Blast Sour AppleSNI Hardcore Series · off the marketin a blend
- Nitric Oxide Organic BeetsSNAP2 g
- Nitric Oxide Organic BeetsSNAP Supplements2 g
- Nitric Oxide Organic Beets Apple FlavorSNAP2 g
- Nitric Oxide Organic Beets Cherry Lime FlavorSNAP2 g
- Nitric Oxide PreWorkoutSNAP Supplements1 g
- Nitric Oxide PreWorkout Organic BeetsSNAP1 g
- Nitric Shock Blue RaspberrySNI Hardcore Series · off the marketno amount
- Nitric Shock Fruit PunchSNI Hardcore Series · off the marketno amount
- Nitric Shock WatermelonSNI Hardcore Series · off the marketno amount
- Nitro Peak Cookies & CreamInner Armour Sports Nutritionno amount
- Nitro Peak Milk ChocolateInner Armour Sports Nutrition1 g