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 45 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Evogreens Lemon MintEvogen Naturals1 g
- Exercise + Training FormulaCherry Works1 g
- ExhilarinMetagenics1 g
- Exogenous Ketones Strawberry RushAIVIAno amount
- Extra Care Ultimate Flora Probiotic 200 BillionRenew Life2 g
- Extra Rich CacaoBareOrganics3.9 g
- Extra Soy Lecithin GranulesCATALOno amount
- Extra Strength Colon FlushIrwin Naturals1 g
- Extra Strength Continence MaxSolaray1 g
- Extra Strength Glucosamine ChondroitinSource Naturals1 g
- Extra Strength Joint Maintenance Glucosamine Chondroitin ComplexGood 'N Natural · off the market1 g
- Extra Strength Probiotic 25 BillionMRM · off the market0.2 g
- Extra Virgin Coconut OilVitamin Worldno amount
- Extra-Strength ibuActin PMSolaray1 g
- Extreme Mass ChocolateNutraBio6 g
- Extreme Mass Strawberry PastryNutraBio · off the market8 g
- Extreme Mass VanillaNutraBio5 g
- Extreme Mass Wild StrawberryNutraBio5 g
- Extreme Shake Protein Blend and Multi-Collagen Dutch ChocolateCTFO Changing The Future Outcome3 g
- Extreme Shake Protein Blend and Multi-Collagen VanillaCTFO Changing The Future Outcome5 g
- Extreme XXL ChocolateABB Performance · off the market3 g
- Extreme XXL VanillaABB Performance · off the marketno amount
- Eye FoodEclectic Institute · off the market1 g
- Eye FoodEclectic Herb1 g
- Eye FormulaHealth From The Sun1 g
- Fair Trade Organic Maca RootGarden of Life MyKind Organics1 g
- Farm Fed Chocolate MilkshakeAxe & Sledge Supplements1 g
- Farm Fed Cinnamon Apple PieAxe & Sledge Supplementsno amount
- Farm Fed Cookies and CreamAxe & Sledge Supplementsno amount
- Farm Fed Dippin' Dots Banana Split Ice CreamAxe & Sledge Supplements · off the marketno amount
- Farm Fed Frozeti the Yeti Dippin' Dots Banana Split Ice CreamAxe & Sledge Supplementsno amount
- Farm Fed Frozeti the Yeti Dippin' Dots Strawberry Ice CreamAxe & Sledge Supplementsno amount
- Farm Fed Frozeti the Yetti Dippin' Dots Birthday Cake Ice CreamAxe & Sledge Supplementsno amount
- Farm Fed Glazed DonutAxe & Sledge Supplementsno amount
- Farm Fed Never Ending ChocolateAxe & Sledge Supplements2 g
- Farm Fed Peanut Butter N' HoneyAxe & Sledge Supplementsno amount
- Farm Fed Salted CaramelAxe & Sledge Supplementsno amount
- Farm Fed SmoresAxe & Sledge Supplementsno amount
- Farm Fed Vanilla MilkshakeAxe & Sledge Supplementsno amount
- Fast & Be ClearAllergy Research Group4 g
- Fast Fats Refresher Peach MangoPlantFusion3 g
- Fast Food Chocolate Peanut ButterBlackstone Labs3 g
- Fast Gain 3000 Cookies & CreamANSI Pro-Seriesno amount
- Fast Gain 3000 Ice Cream VanillaANSI Pro-Seriesno amount
- Fast Gain 3000 Strawberries & CreamANSI Pro-Seriesno amount
- Fast-Absorbing Fiber 14g Orange CreamTrace Minerals Research · off the market14 g
- Fast-Absorbing Liquid Fiber 14g Orange CreamTrace Minerals Research14 g
- Fast-Shake ChocolateQuickTrim3 g
- FastFuel Complete ChocolateLife Time Fitness · off the market10 g
- Fastfuel Complete VanillaThorne Research · off the market5 g