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 9 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Alfalfa 550 mgBernard Jensen's · off the market1 g
- Alfalfa 600 mgSolgar · off the market0.5 g
- Alfalfa 648 mgSource Naturals1 g
- Alfalfa ComplexShaklee1 g
- Alfalfa Grass PowderBareOrganics2 g
- Alfalfa Green Food SupplementHerbal Hills0.7 g
- Alfalfa Leaf 1,000 mgNature's Life0.7 g
- Alfalfa Leaf PowderBIOVEA Natural Foods1 g
- Alfalfa Plus FiberGNLD Nutritionals · off the market1 g
- Alfalfa Plus FiberNeoLife Nutritionals · off the market1 g
- Alfalfa PowderNOW1.5 g
- Alfalfa PowderHerbal Hills0.7 g
- Alfalfa TabletHerbal Hills0.2 g
- Algae CalciumLife Nutrition0.4 g
- Align Kids Probiotic Mixed Fruit FlavoredAlign1 g
- Alive ColaGT’s Aliveno amount
- Alive! Kids Zero Sugar Multivitamin Gummy Berry-CitrusNature's Way1 g
- Alive! Liquid Fiber With Prebiotics Pomegranate-Berry FlavorNature's Way4 g
- Alive! Liquid Fiber With Prebiotics Pomegrante-Berry FlavoredNature's Way8 g
- Alive! Liquid Fiber with Prebiotics Tropical Citrus FlavoredNature's Way8 g
- Alive! Liquid Fiber With Probiotics Citrus FlavorNature's Way9 g
- Alive! Liquid Fiber With Probiotics Citrus FlavoredNature's Way · off the market4 g
- Alive! Max3 DailyNature's Way1 g
- Alive! Max3 Daily Men'sNature's Way · off the market1 g
- Alive! Max3 Daily Women'sNature's Way · off the market1 g
- Alive! Max3 Daily Women's Max PotencyNature's Way · off the market1 g
- Alive! Men's Gummy Multivitamin Zero Sugar Peach FlavoredNature's Way2 g
- Alive! Multi-VitaminNature's Way1 g
- Alive! Protein VanillaNature's Way2 g
- Alive! Ultra Shake Vanilla FlavoredNature's Way5 g
- Alive! Ultra-Shake VanillaNature's Way · off the market3 g
- Alive! Whole Food Energizer Max PotencyNature's Way · off the market1 g
- Alive! Whole Food Energizer Men's Mulit Max PotencyNature's Way · off the market2 g
- Alive! Whole Food Energizer Men's Multi Max PotencyNature's Way · off the market1 g
- Alive! Whole Food Energizer Multi-VitaminNature's Way · off the market1 g
- Alive! Whole Food Energizer Multivitamin Max PotencyNature's Way · off the market1 g
- Alive! Whole Food Energizer No Added IronNature's Way · off the market1 g
- Alive! Whole Food Energizer Women's Multi Max PotencyNature's Way · off the market2 g
- Alive! Women's Gummy Multivitamin Zero Sugar Strawberry FlavoredNature's Way2 g
- Alive! Women's Multi Max PotencyNature's Way · off the market2 g
- Alka GreenB.E.S.T. Process Alka-Line Supplements1 g
- Alka Green TabletsB.E.S.T. Process Alka-Line Supplements1 g
- Alka SlimB.E.S.T. Process Alka-Line Supplements2 g
- Alkacia Alkalizing FiberNature's Plus · off the market5.5 g
- Alkacia Alkalizing Fiber Quick Colon CleanseNatures Plus · off the market5.5 g
- Alkalinity CLANutracore Nutrition · off the marketno amount
- Alkalinity FruitNutracore Nutrition · off the marketin a blend
- Alkalinity Fuel OrangeNutracore Nutrition · off the marketin a blend
- Alkalinity Greens Sour AppleNutracore Nutrition · off the marketin a blend
- Alkalizing GreensSoTru · off the market1 g