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 53 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Fructose Powder 1000 mgBulkSupplements.comno amount
- Fruit & Greens PhytoFoodsNOW2 g
- Fruit & Vegetable PowderSwanson GreenFoods Formulas · off the market2 g
- Fruit & Veggies 5Nature's Plus Source of Life Animal Parade · off the market2 g
- Fruit Blend +Juice Plus+1 g
- Fruit Mix Fiber GummiesPrimal Harvest3 g
- Fruit PunchEnduroxno amount
- Fruit PunchSGN Nutrition · off the market1.5 g
- Fruit Punch Cleansing LiquidPurified Brand · off the marketno amount
- Fruitein Banana Orange CremeNature's Plus · off the market1 g
- Fruitein Luscious Blue FruitNature's Plus · off the market2 g
- Fruitein RainbowNature's Plus · off the market2 g
- Fruitein Revitalizing Green Foods Natural Tropical Fruit FlavorNature's Plus · off the market2 g
- Fruitien Acai 2500 mgNature's Plus · off the market1 g
- Fruitien High Protein Energy Shake Exotic Red FruitNature's Plus · off the market2 g
- Fruits & Greens PineappleNutracore Nutrition · off the market3 g
- Fruits & Greens Vanilla SpiceMoss Nutrition2 g
- Fruits & Roots Mixed BerryUMZU1 g
- Fruits 'n VegEZTriVita3 g
- Fruits of LifeGarden of Life1 g
- Fucoidan 300 mgKAL1 g
- fucoPROTEIN Chocolate With Macadamia NutsGarden of Life7 g
- fucoPROTEIN Peanut Butter CrunchGarden of Life9 g
- Fuel Cherry BerryMomentousno amount
- Fuel Orange MangoTeamKetono amount
- Full Control Watermelon Kiwi FlavorArbonne Evolution · off the market1 g
- Full DietApplied Nutrition1 g
- Full DietIrwin Naturals1 g
- Full Spectrum CBD Oil Original 25 mg/mLGreen Roadsno amount
- Full Spectrum CBD Oil Original 50 mg/mLGreen Roadsno amount
- Full Spectrum Cordyceps 450Planetary Herbals1 g
- Full Spectrum Cranberry Concentrate 560 mgPlanetary Herbals1 g
- Full Spectrum Elderberry Extract 525 mgPlanetary Herbals1 g
- Full Spectrum HempSteve's Goodsno amount
- Full Spectrum Hemp Oil Not Flavored 500 mgSteve's Goodsno amount
- Full Spectrum Soy 1000 1,000 mgPlanetary Herbals1 g
- Full Spectrum Stinging Nettle 420 mgPlanetary Herbals1 g
- Full-Spectrum Hemp GummiesSteve's Goodsno amount
- Fulvic Humic AcidAgeImmuneno amount
- Functional MushroomsXtendlife1 g
- Functional Protein Blueberry Muffin FlavorGarden of Life2 g
- Fusion GreensCalifornia Academy of Health1 g
- G Fuel OrangeGamma Labs1 g
- G.I. BenefitsDaVinci Laboratories Of Vermont · off the market1 g
- G.I. BenefitsDaVinci Benefits Line2 g
- G.I. FortifyPure Encapsulations4 g
- G.I. Fortify (Capsules)Pure Encapsulations1 g
- Gain Fast 3100 Banana-Split ShakeUniversal4 g
- Gain Fast 3100 Chocolate ShakeUniversal6 g
- Gain Fast 3100 Cookies & CreamUniversal · off the market4 g