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 97 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- MYO Recovery Protein ChocolateAbbott EAS Myoplex · off the marketno amount
- MYO Recovery Protein VanillaAbbott EAS Myoplex · off the marketno amount
- MYO Whey Isolate BananaAbbott EAS Myoplex · off the marketno amount
- MYO Whey Isolate ChocolateAbbott EAS Myoplex · off the marketno amount
- MYO Whey Isolate Chocolate MintAbbott EAS Myoplex · off the marketno amount
- MYO Whey Isolate Cinnamon SwirlAbbott EAS Myoplex · off the marketno amount
- MYO Whey Isolate VanillaAbbott EAS Myoplex · off the marketno amount
- Myo-ToneEnzymatic Therapy · off the market1 g
- MYO-X Myostatin Inhibitor VanillaMHP Maximum Human Performanceno amount
- Myo-X VanillaMHPno amount
- MyoFusionGaspari Nutrition2.7 g
- MyoFusion Elite Protein Series Cookies & CreamGaspari Nutritionno amount
- MyoFusion Elite Protein Series Milk ChocolateGaspari Nutrition1 g
- MyoFusion Elite Protein Series Peanut Butter Cookie DoughGaspari Nutritionno amount
- MyoFusion Elite Protein Series Strawberries & CreamGaspari Nutritionno amount
- MyoFusion Elite Protein Series Strawberries CreamGaspari Nutritionno amount
- MyoFusion Elite Protein Series VanillaGaspari Nutritionno amount
- MyoFusion Probiotic Series Banana PerfectionGaspari Nutrition1 g
- MyoFusion Probiotic Series Cookies & CreamGaspari Nutrition1 g
- MyoFusion Probiotic Series Strawberries & CreamGaspari Nutrition1 g
- MYOLEAN EVOLUTION BananaMYOGENIX6 g
- MYOLEAN EVOLUTION ChocolateMYOGENIX6 g
- MYOLEAN EVOLUTION Chocolate Peanut Butter CupMYOGENIX6 g
- MYOLEAN EVOLUTION StrawberryMYOGENIX6 g
- MYOLEAN EVOLUTION VanillaMYOGENIX6 g
- Myoplex MYO Protein Blend ChocolateAbbott EAS Myoplex · off the market1 g
- Myoplex MYO Protein Blend VanillaEAS · off the market1 g
- Myoplex MYO Whey Isolate ChocolateEAS · off the marketno amount
- Myoplex MYO Whey Isolate Cinnamon SwirlEAS · off the marketno amount
- Myoplex Protein Blend ChocolateEAS · off the market1 g
- MyoSynthesis Whey ChocolateMET-Rx5 g
- MyoSynthesis Whey VanillaMET-Rx5 g
- Myotein VanillaXPI Xtreme Pharmaceutical Innovations · off the marketno amount
- N-Large2 ChocolateProlab · off the market2 g
- N-Large2 Chocolate Fudge BrownieProlab · off the market1 g
- N-Large2 Vanilla CupcakeProlab · off the marketno amount
- N.O. Black Powder Blue RaspberryMRIno amount
- N.O. Black Powder Orange BurstMRIno amount
- N10s Cherry BombClean Machine2 g
- Nac+KAL · off the market1 g
- NAC+ 600 mgKAL1 g
- Nanogreens10 Natural Green AppleSuperFood Solution · off the market2 g
- NanoGreens10 Natural Green AppleBioPharma Scientific2 g
- NanoGreens10 Natural Strawberry FlavorBioPharma Scientific2 g
- NanoGreens10+ Probiotic Natural Green Apple FlavorBioPharma Scientific2 g
- NanoGreens10+ Probiotic Natural Strawberry FlavorBioPharma Scientific2 g
- NanoLean Natural BerryBioPharma Scientific5 g
- NanoMeal G Tropical Fruit BlendBioPharma Scientific7 g
- NanOmega3 Pineapple OrangeSuperFood Solution · off the market2.5 g
- NanOmega3 Pineapple Orange FlavorBioPharma Scientific2.5 g