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 141 of 175), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Silver Lozenges Mighty Manuka MintSilver Bioticsno amount
- Silver Lozenges with Vitamin C OrangeDoctor Recommended Supplementsno amount
- Simone Super Energy ChocolateSimone Protective Health1 g
- Simple Cleanse Laxative FormulaEnzymatic Therapy · off the market1 g
- SizeOn Arctic Lemon IceGaspari Nutrition · off the marketno amount
- SizeOn Concord GrapeGaspari Nutritionno amount
- SizeOn Fruit PunchGaspari Nutritionno amount
- SizeOn Grape CoolerGaspari Nutritionno amount
- SizeOn Lemon IceGaspari Nutritionno amount
- SizeOn Orange CoolerGaspari Nutritionno amount
- SizeOn Wild Berry PunchGaspari Nutrition · off the marketno amount
- SizeOn Wildberry PunchGaspari Nutritionno amount
- SkinElixir Acai FlavorArbonne1 g
- SkinElixir Collagen Builder Acai FlavorArbonne1 g
- Skinny Gut 100% Organic Acacia FiberRenew Life5 g
- Skinny Gut Ultimate Shake Natural Chocolate FlavorRenew Life10 g
- Skinny Gut Ultimate Shake Natural Vanilla FlavorRenew Life10 g
- Skinny Mini Shake Double Chocolate Fudge CrunchNature's Plus · off the market3 g
- Skinny TeaTeami1 g
- Skinnygirl On-the-Go Bars Banana Oatmeal Dark ChocolateSkinnygirl · off the market5 g
- Skinnygirl On-the-Go Bars Dark Chocolate Multi-Grain PretzelSkinnygirl · off the market5 g
- Skull Dust Vanilla MochaBlack Magicno amount
- Sleep & RelaxGaia Herbs1 g
- Sleep + Repair FormulaCherry Works1 g
- Sleep Blueberry LavenderLiquid I.V.2.5 g
- Sleep CBD GummiesPharma Hemp Complexno amount
- Sleep Formula 39Harmonix · off the marketno amount
- Sleep Natural Berry Lemonade FlavorBareOrganics5 g
- Sleep PlusNeuriva1 g
- Sleep Protein Key Lime DreamHealthy Skoop5 g
- Sleep Protein Tirami-SnoozeHealthy Skoop6 g
- Sleep Raspberry FlavorCharlotte's Web Stanley Brothers1 g
- Sleep Shot DreamberryRapidCBDno amount
- Sleep SupportYuen Diing Enterpriseno amount
- Sleep TonightLife0.1 g
- Sleep-a-Weigh PlusTropical Oasis1 g
- SleepBioticNS Natural Stacks7.5 g
- Sleepy Chocolate Sweet Slumber Blueberry Lavender FlavorThe Functional Chocolate Company1 g
- Sleepy Zs CBD + CBN Gummies 25 mg BlackberryGreen Roadsno amount
- Slender RaspberryDY Nutrition2.6 g
- Slender StrawberryDY Nutrition2.6 g
- Slim & Natural ChocolateNature's Plus · off the market2 g
- Slim & Natural StrawberryNature's Plus · off the market2 g
- Slim & Natural VanillaNature's Plus · off the market2 g
- Slim CapsVitalite1 g
- Slim Care Tea With SuperfoodsBareOrganics · off the marketno amount
- Slim Collagen Boost Chocolate FlavorSunwarrior Shape3 g
- Slim Collagen Boost Red Velvet Cupcake FlavorSunwarrior Shape3 g
- Slim Collagen Boost Vanilla FlavorSunwarrior Shape3 g
- Slim Hunger ControlPlexus6 g