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 60 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Green and RedNatures Plus Source of Life · off the market1 g
- Green and RedNaturesPlus Source of Life1 g
- Green and Red Mini-TabsNature's Plus Source of Life · off the market1 g
- Green Barley Grass 500 mgGood 'N Natural · off the market2 g
- Green Beret Peanut ButterRedcon11 g
- Green Beret StrawberryRedcon11 g
- Green Beret VanillaRedcon11 g
- Green BlendFlora6 g
- Green Coffee Bean with Raspberry KetonesLife Nutrition0.1 g
- Green Complete Superfood Powder Natural VanillaNutrex Hawaii1 g
- Green Complete Superfood Powder Natural Vanilla Bean FlavorNutrex Hawaii · off the market1 g
- Green DefenseJarrow Formulas · off the market3 g
- Green Energy Tea Fusion Honey Lemon FlavorHealthy To Go! · off the market1 g
- Green FusionHerbal Nutrition2 g
- Green GuardEclectic Herb1 g
- Green Guard with BroccoliEclectic Institute · off the market1 g
- Green JuiceOrganifi3 g
- Green Juice OriginalOrganifi3 g
- Green LightningNatures Plus Source of Life · off the market1 g
- Green MaxSwanson GreenFoods Formulas · off the market1 g
- Green Max PowderSwanson GreenFoods Formulas · off the market2 g
- Green Monster Cherry ColaPrecision Engineered Bio-Logical1 g
- Green PhytoFoodsNOW2 g
- Green PowerKuli Kuli · off the market2 g
- Green Propolis ExtractCATALO0.6 g
- Green Protein AlchemyHealthForce SuperFoods3 g
- Green Protein Alchemy Magic MintHealthForce SuperFoods3 g
- Green SourceGood 'N Natural · off the market1 g
- Green Super Food Bursting Ripe BerryLEAN Nutraceuticals2 g
- Green SuperfoodAmazing Grass · off the market2 g
- Green Superfood Advanced FormulaPeak Performance · off the marketin a blend
- Green Superfood Alkalize & DetoxAmazing Grass · off the market1 g
- Green Superfood Alkalize & Detox Simply PureAmazing Grass1 g
- Green SuperFood All Natural Drink PowderAmazing Grass · off the market2 g
- Green SuperFood Antioxidant Berry Drink PowderAmazing Grass · off the market2 g
- Green Superfood Antioxidant Sweet BerryAmazing Grass · off the market1 g
- Green Superfood BerryAmazing Grass2 g
- Green Superfood Berry FlavorAmazing Grass2 g
- Green SuperFood Berry Flavor Drink PowderAmazing Grass · off the market2 g
- Green Superfood Berry InfusionAmazing Grass · off the market2 g
- Green Superfood Blend Mixed Berry FlavorMountain Meadow Herbs2 g
- Green SuperFood Cacao Chocolate InfusionAmazing Grass · off the market1 g
- Green Superfood Capsules The OriginalAmazing Grass · off the market1 g
- Green SuperFood ChocolateAmazing Grass2 g
- Green SuperFood Chocolate Drink PowderAmazing Grass · off the market2 g
- Green Superfood Detox & DigestAmazing Grass · off the market2 g
- Green Superfood Energy Lemon-LimeAmazing Grass2 g
- Green Superfood Energy WatermelonAmazing Grass2 g
- Green Superfood Immunity Defense TangerineAmazing Grass · off the market1 g
- Green Superfood Immunity Tangerine FlavorAmazing Grass1 g