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 68 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- i5 Biotransformation Shake Mix Creamy ChocolateXYMOGEN EP · off the market8 g
- i5 Biotransformation Shake Mix Vanilla DelightXYMOGEN EP · off the market6 g
- i5 Chocolate MintXYMOGEN8 g
- i5 Creamy ChocolateXYMOGEN · off the market8 g
- i5 Energize Vanilla LatteXYMOGEN EP · off the market6 g
- i5 Energize Vanilla LatteXYMOGEN · off the market5 g
- i5 Vanilla DelightXYMOGEN · off the market6 g
- ICE BlueberryRescue Detox · off the market19 g as transcribed, likely a slip
- ICE CranberryRescue Detox · off the market19 g as transcribed, likely a slip
- ICE Green TeaRescue Detox19 g as transcribed, likely a slip
- Ideal Iron 50 mgThompson1 g
- IG 26 Plus DF Natural Vanilla FlavorXYMOGEN1 g
- IGNITE Peach Zing FlavorMTN OPSno amount
- Ignitro CherryInterActive Nutrition · off the marketno amount
- Ignitro OrangeInterActive Nutrition · off the marketno amount
- Illumin8 Aztec ChocolateSunwarrior7 g
- Illumin8 MochaSunwarrior7 g
- Illumin8 Vanilla BeanSunwarrior7 g
- Immufight Daily DefenseSolaray1 g
- Immufight Immune Response SupportSolaray1 g
- Immufight Maximum Daily DefenseSolaray1 g
- Immufight Respiratory SupportSolaray1 g
- Immufight Ultimate Immune SupportSolaray · off the market3 g
- ImmuneHyperbiotics · off the market1 g
- Immune Balance DailyGarden of Life1 g
- Immune BrewRapid Fireno amount
- Immune BrothYES Youth Extension Solutions1 g
- Immune Defense Gummies GrapeGNC · off the marketno amount
- Immune Defense Mixed BerryCountry Farms2 g
- Immune Defense Natural Mixed BerryCountry Farms · off the market2 g
- Immune Defense Packets Mixed BerryCulturelle1 g
- Immune Defense Vitamin C+ Citrus FlavoredNew Chapter2 g
- Immune Defense Vitamins & Minerals Omega-3 LiquidCATALO0.2 g
- Immune LiftOrganic India1 g
- Immune Power ShakeBody Ecology1.5 g
- Immune ShineGaia Herbs1 g
- Immunectar Natural Honey Granola FlavorNature's Plus · off the marketno amount
- Immunity CBD GummiesPharma Hemp Complexno amount
- Immunity Greens Blackberry LemonadeArms Race Nutrition2 g
- Immunity Greens Chocolate BlissArms Race Nutrition2 g
- Immunity Greens Lemon RushArms Race Nutrition2 g
- Immunity Greens Pineapple MangoArms Race Nutrition2 g
- Immunity Gummies Natural Mixed Berry Flavoriwi3 g
- Immunity Natural Fruit FlavorBareOrganics5 g
- Immunity Power Lemon LimeYes You Can!1 g
- Immunity Superfood Powder Mixed BerryNutrilite Organicsno amount
- Immunity Support Peach Mint FlavoredBowmar Nutrition4 g
- Immunity Whole Food Antioxidant Drink Mix Pineapple/Orange flavorPomology · off the market5.2 g
- ImmunoPro RxWell Wisdomno amount
- ImmunoTheraKlaire Labs1 g