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 160 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- UltraLean ChocolateNutra BioGenesis4 g
- UltraLean Strawberry Banana FlavorNutra BioGenesis7 g
- UltraLean Vanilla FlavorNutra BioGenesis1.5 g
- UltraLean Vegan Chocolate FlavorNutra BioGenesis5 g
- UltraLean Vegan Vanilla FlavorNutra BioGenesis2 g
- UltraMeal Advanced Protein PlainMetagenics5 g
- Ultramyosyn Whey ChocolateMET-Rx1 g
- Ultramyosyn Whey Cookies N' CreamMET-Rx1 g
- Ultramyosyn Whey Isolate Berry PunchMET-Rxno amount
- Ultramyosyn Whey Isolate ChocolateMET-Rx1 g
- Ultramyosyn Whey Isolate Creamy VanillaMET-Rxno amount
- Ultramyosyn Whey Peanut Butter CupMET-Rx1 g
- Ultramyosyn Whey Protein ChocolateMET-Rx1 g
- Ultramyosyn Whey Protein StrawberryMET-Rxno amount
- Ultramyosyn Whey Protein VanillaMET-Rxno amount
- Ultramyosyn Whey StrawberryMET-Rx · off the marketno amount
- Ultramyosyn Whey VanillaMET-Rx1 g
- Ultraplex Mediclear-SGSElevation Health · off the market2 g
- Ultraplex Mediclear-SGS Chocolate FlavoredElevation Health2 g
- UMP Angel Food CakeBeverly International1 g
- UMP ChocolateBeverly International1 g
- UMP Cookies & CremeBeverly International1 g
- UMP Graham CrackerBeverly International1 g
- UMP Rocky RoadBeverly International1 g
- UMP StrawberryBeverly International1 g
- UMP Ultimate Muscle Protein Angel Food CakeBeverly International · off the market1 g
- UMP VanillaBeverly International1 g
- Unimate Lemon GingerUnicityno amount
- Unipro's Pefect Protein Chocolate FlavorUnipro1 g
- Unipro's Perfect Protein Vanilla FlavorUnipro1 g
- Universal Gain Fast 3100 Cookies & CreamUniversal4 g
- Universal Gain Fast 3100 Cookies & Cream FlavorUniversal4 g
- Universal Gain Fast 3100 Strawberry ShakeUniversal4 g
- Unsweetened Spiru-Tein High Protein Energy Meal Simply Natural BananaNature's Plus · off the market1 g
- Unsweetened Spiru-Tein High Protein Energy Meal Simply Natural Peaches & CreamNature's Plus · off the market1 g
- Unsweetened Spiru-Tein High Protein High Energy Meal Simply Natural ChocolateNature's Plus · off the market1 g
- Unsweetened Spiru-Tein High Protein High Energy Meal Simply Natural Original VanillaNature's Plus · off the market1 g
- Unsweetened Spiru-Tein High Protein High Energy Meal Simply Natural StrawberryNature's Plus · off the market1 g
- Up Your Mass CinnaBunMHP Maximum Human Performance11 g
- Up Your Mass Cookies 'N CreamMHP Maximum Human Performance12 g
- Up Your Mass Fudge BrownieMHP Maximum Human Performance12 g
- Up Your Mass Peanut Butter CookieMHP Maximum Human Performance11 g
- Up Your Mass VanillaMHP Maximum Human Performance11 g
- Up Your Mass XXXL 1350 Milk ChocolateMHP Maximum Human Performance7 g
- Upper GI Tract Probiotic AcidophilusNew Earth Wild Essentials1 g
- UriPureNutriBiologic1 g
- UT CompleteBotanic Choice1 g
- UZO Supreme Artificial French Vanilla FlavorOmniLife2 g
- V-Tox MicrocapsVasayo MicroLife Nutritionals · off the marketno amount
- V-ZymesPurity Products0.15 g