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 15 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Authentic ChyawanprashLotus Blooming Herbs3 g
- AwakeTorii Labs · off the market1 g
- Axis Endo (formerly Estrium) Mango FlavorMetagenics · off the market7 g
- Axis Endo Mango FlavorMetagenics7 g
- B-12 Jelly Beans Raspberry FlavorVitaDropsno amount
- B-Complex Complete Natural Blueberry Pomegranate FlavorWellesseno amount
- B-Complex Syrup Delightful Orange FlavorGM Germa6 g
- B-NOX Androrush Rainbow CandyBetancourt Nutrition · off the marketno amount
- Babe Boost Peach MangoBabe by Bucked Up3 g
- Babe Lavender LemonadeBabe by Bucked Up1 g
- Baby Algae DHALife Nutritionno amount
- Baby Calcium+D3Life Nutritionno amount
- Baby DHALife · off the marketno amount
- Baby DHA AdvancedLifeno amount
- Baby DHA+D3Lifeno amount
- Baby DHA+D3 Complete Lemon FlavorLife Nutritionno amount
- Baby Probiotics 4 Billion FlavorlessLife Nutrition1.2 g
- Baby Sun D-DropsLifeno amount
- Baby Sun DropsLife Nutritionno amount
- Baby Vitamin D3Life Nutritionno amount
- Bacillus Coagulans 5 BillionSolaray1 g
- Balance Orange FlavorUnicity3 g
- Balance Within ProbioticNutrilite1 g
- Balanced Belly Peachy PeachOLLY · off the market1 g
- Balanced Meal Complete Nutritional Shake ChocolateVitamin Discount Center · off the market6 g
- Balanced Meal Complete Nutritional Shake VanillaVitamin Discount Center · off the market5 g
- Banana Cream PieON Optimum Nutrition4 g
- Banana FlakesBIOVEA Natural Foodsno amount
- Banana SmoothieDymatize Nutrition · off the market3 g
- Banana-Split ShakeUniversal4 g
- Baobab FruitBareOrganics1 g
- Baobab Fruit PowderBIOVEA Natural Foods4 g
- Bare Isolate ChocolateEat The Bear · off the marketno amount
- Bare Isolate Chocolate MintEat The Bear · off the marketno amount
- Bare Isolate Chocolate Peanut ButterEat The Bear · off the marketno amount
- Bare Isolate Cinnamon BunEat The Bear · off the marketno amount
- Bare Isolate Ice Cream SandwichEat The Bear · off the marketno amount
- Bare Isolate Mint ChocolateEat The Bear · off the marketno amount
- Bare Isolate Vanilla 25Eat The Bear · off the marketno amount
- Bare Mass ChocolateEat The Bear · off the marketno amount
- Bare Mass VanillaEat The Bear · off the marketno amount
- Barely Green JuicePurium · off the market1 g
- Bariatric Support Basic Essentials ChocolateTwinlab3 g
- Bariatric Support Basic Essentials VanillaTwinlab3 g
- Barlean's GreensBarlean's · off the market1 g
- Barley GrassNOW1 g
- Barley GrassHerbal Hills0.33 g
- Barley GrassNature's Way1 g
- Barley Grass 500 mgThompson0.5 g
- Barley Grass 500 mgAmazing India0.33 g