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FOS

fiber

93
products
Updated April 2026

Dosage Range

0 mgavg 265.13 mg2000 mg

FOS is found in 162 supplement products from 42 brands. Dosages range from 0 to 2000 mg, with an average of 265.13. The most common form is Capsule.

Top 5 Highest-Dosage FOS Supplements

  1. Ultimate Flora Probiotic Ultimate Care 200 Billion by Renew Life — 2000 mg
  2. Extra Care Ultimate Flora Probiotic 200 Billion by Renew Life — 2000 mg
  3. Ultimate Flora Probiotic Extra Care 200 Billion by Renew Life — 2000 mg
  4. Spore Probiotic Powder by youtheory — 1000 mg
  5. Ultra Probiotic for Seniors by Swanson — 750 mg

Ultimate Flora Probiotic Ultimate Care 200 Billion by Renew Life has the highest FOS dosage at 2000 mg. Dr. Hotze's PM Support Pak by Physician's Preference has the lowest at 0 NP.

All Products

showing 93 of 93
Ultimate Flora Probiotic Ultimate Care 200 BillionRenew Life
2000 mg— DVPowder
Extra Care Ultimate Flora Probiotic 200 BillionRenew Life
2000 mg— DVPowder
Ultimate Flora Probiotic Extra Care 200 BillionRenew Life
2000 mg— DVPowder
Spore Probiotic Powder
● OTHER INGREDIENTS (2)
youtheory
1000 mg— DVPowder
Ultra Probiotic for Seniors
● OTHER INGREDIENTS (2)
Swanson
750 mg— DVCapsule
Ultra Pure Probiotic 18Vital Nutrients
560 mg— DVPowder
Acidophilus D.R.Progressive Professional from Progressive Laboratories
500 mg— DVCapsule
Probiotic 6 Strains + 500 mg FOS 10b cfu
● OTHER INGREDIENTS (1)
Health Thru Nutrition
500 mg— DVCapsule
ProbioticMetabolic Maintenance
350 mg— DVCapsule
Probiotic Extra StrengthMetabolic Maintenance
300 mg— DVCapsule
Mucosal FactorsIntegrative Therapeutics
270 mg— DVCapsule
NF Formulas Spectra Probiotic
● OTHER INGREDIENTS (2)
Integrative Therapeutics
270 mg— DVOther (e.g. tea bag)
Ultimate YouthYoungevity
225 mg— DVPowder
Probiotic IBMetabolic Maintenance
220 mg— DVCapsule
Cal'dophilus With FOS
● OTHER INGREDIENTS (2)
Natural Factors
200 mg— DVCapsule
MultiVeg
● OTHER INGREDIENTS (1)
Amazing Herbs
200 mg— DVTablet or Pill
Protec Acidophilus With FOS
● OTHER INGREDIENTS (2)
Natural Factors
200 mg— DVCapsule
Multi Acidophilus
● OTHER INGREDIENTS (2)
Natural Factors
200 mg— DVCapsule
Ultra Duo DophilusViva Vitamins
200 mg— DVCapsule
Beyond Greens Light Matcha FlavorLive Conscious
190 mg— DVPowder
Probiotic
● OTHER INGREDIENTS (2)
BELDT Labs Bedrock Series
150 mg— DVCapsule
Digest-Aid
● OTHER INGREDIENTS (1)
Health Thru Nutrition
125 mg— DVCapsule
Digest-Aid
● OTHER INGREDIENTS (3)
Health Thru Nutrition Naturally
125 mg— DVCapsule
FloraMoreRenew Life
120 mg— DVCapsule
D.L. Duo-Dophilus
● OTHER INGREDIENTS (1)
Douglas Laboratories
109 mg— DVCapsule
FloraMORERenew Life
100 mg— DVCapsule
Buddy Bear Probiotic Natural Orange Flavor
● OTHER INGREDIENTS (1)
Renew Life
100 mg— DVTablet or Pill
Buddy Bear Probiotic
● OTHER INGREDIENTS (1)
Renew Life
100 mg— DVTablet or Pill
Milk-Free Probiotic Acidophilus Plus FOS PowderBluebonnet
100 mg— DVPowder
FloraBEAR For Kids Orange Flavor
● OTHER INGREDIENTS (1)
Renew Life
100 mg— DVTablet or Pill
Ultra Mega Duo Dophilus
● OTHER INGREDIENTS (2)
Earth Wise Vitamins & Supplements
100 mg— DVCapsule
Ultimate Flora Kids Probiotic 1 Billion Sun-Kissed Orange Flavor
● OTHER INGREDIENTS (1)
Renew Life
100 mg— DVTablet or Pill
Milk-Free Probiotic Acidophilus plus FOS
● OTHER INGREDIENTS (1)
Bluebonnet
100 mg— DVCapsule
Ultra Probiotic Complex
● OTHER INGREDIENTS (1)
Swanson
100 mg— DVCapsule
MAX Acidophilus
● OTHER INGREDIENTS (3)
Meijer Naturals
50 mg— DVCapsule
Probiotic for Digestive Health
● OTHER INGREDIENTS (2)
Swanson
50 mg— DVCapsule
Full Spectrum Bio-Culture Defence
● OTHER INGREDIENTS (2)
Swiss BioEnergetics
40 mg— DVCapsule
Super Lactobacillus
● OTHER INGREDIENTS (3)
WholeHealth
40 mg— DVCapsule
Physician's MultiVitamin Formula
● OTHER INGREDIENTS (6)
Health Thru Nutrition Naturally
25 mg— DVOther (e.g. tea bag)
Super Shield
● OTHER INGREDIENTS (2)
Blue Rock Holistics
25 mg— DVCapsule
Nordic Flora Probiotic Daily
● OTHER INGREDIENTS (1)
Nordic Naturals
20 mg— DVCapsule
Nordic Probiotic Sport
● OTHER INGREDIENTS (1)
Nordic Naturals
20 mg— DVCapsule
Gluten-Ade
● OTHER INGREDIENTS (2)
CHK Nutrition
10 mg— DVCapsule
Spectrient
⚠ EXCEEDS UL
Integrative Therapeutics
10 mg— DVCapsule
Nordic Flora Probiotic Women
● OTHER INGREDIENTS (1)
Nordic Naturals
10 mg— DVCapsule
Nordic Flora Probiotic Comfort
● OTHER INGREDIENTS (2)
Nordic Naturals
5 mg— DVCapsule
FOS PowderDouglas Laboratories
3 g— DVPowder
L-Glutamine + FOS PowderDouglas Laboratories
1.5 Gram(s)— DVPowder
Kids Probiotic + Prebiotic Just PeachOLLY
1.1 Gram(s)— DVGummy or Jelly
Kidz SuperFood Outrageous Chocolate FlavorAmazing Grass
0 NP— DVPowder
Ultimate Flora Super CriticalDiscontinuedRenew Life
2000 mg— DVPowder
Ultimate FloraMax Super Critical 200 BillionDiscontinuedAdvanced Naturals
2000 mg— DVPowder
D-Mannose ComplexDiscontinued
● OTHER INGREDIENTS (1)
DaVinci Laboratories Of Vermont
1000 mg— DVPowder
D-Mannose ComplexDiscontinued
● OTHER INGREDIENTS (1)
DaVinci Laboratories of Vermont
1000 mg— DVPowder
Flora BabyDiscontinuedRenew Life
950 mg— DVPowder
Ultra Probiotic For SeniorsDiscontinued
● OTHER INGREDIENTS (2)
Swanson
750 mg— DVCapsule
Probiotic 18 PlusDiscontinuedVital Nutrients
560 mg— DVPowder
Spectra GreensDiscontinuedDaVinci Laboratories Of Vermont
500 mg— DVPowder
Probiotics Fortified With FOSDiscontinued
● OTHER INGREDIENTS (2)
Health Thru Nutrition Naturally
500 mg— DVCapsule
Microencapsulated Probiotic with FOSDiscontinued
● OTHER INGREDIENTS (1)
Health Thru Nutrition
500 mg— DVCapsule
Probiotic ComplexDiscontinued
● OTHER INGREDIENTS (2)
Swanson Ultra
400 mg— DVCapsule
Maximum Vibrance ChocolateDiscontinued
⚠ EXCEEDS UL
Vibrant Health
300 mg— DVPowder
Maximum VibranceDiscontinuedVibrant Health
300 mg— DVPowder
Spectra ProbioticDiscontinuedIntegrative Therapeutics
270 mg— DVCapsule
Advanced Therapeutics Glucosamine Chondroitin MSM Ultra Rx-Joint Liquid Honey Lemon FlavorDiscontinued
⚠ EXCEEDS UL
Nature's Plus
250 mg— DVLiquid
Advanced Therapeutics Glucosamine Chondroitin MSM Ultra Rx-Joint Liquid Delicious Honey Lemon FlavorDiscontinued
⚠ EXCEEDS UL
Nature's Plus
250 mg— DVLiquid
Advanced Therapeutics Glucosamine Chondroitin MSM Ultra Rx-Joint Liquid Honey Lemon FlavorDiscontinued
⚠ EXCEEDS UL
NaturesPlus
250 mg— DVLiquid
Joint Formula French Vanilla FlavorDiscontinuedGreens Today
250 mg— DVPowder
Multi Acidophilus With FOSDiscontinued
● OTHER INGREDIENTS (2)
Natural Factors
200 mg— DVCapsule
Ultra ActiZyme With ActivessenceDiscontinued
● OTHER INGREDIENTS (2)
Nature's Plus
200 mg— DVTablet or Pill
Ultimate Flora Kids Probiotic 1 Billion Sun-Kissed OrangeDiscontinued
● OTHER INGREDIENTS (1)
Renew Life
100 mg— DVTablet or Pill
Acti-ZymeDiscontinued
● OTHER INGREDIENTS (2)
Nature's Plus
100 mg— DVCapsule
Epic ProDiscontinued
● OTHER INGREDIENTS (1)
Swanson Probiotics
100 mg— DVCapsule
FloraBear For Kids Orange FlavorDiscontinued
● OTHER INGREDIENTS (1)
Renew Life
100 mg— DVTablet or Pill
Probiotic Packs Natural Fruit FlavorDiscontinued
● OTHER INGREDIENTS (2)
Dr. Mercola Premium Supplements
100 mg— DVPowder
Ultra Probiotic Complex 30 Billion CFUDiscontinued
● OTHER INGREDIENTS (1)
Swanson
100 mg— DVCapsule
Milk-Free Probiotic Acidophilus Plus FOSDiscontinued
● OTHER INGREDIENTS (1)
Bluebonnet
100 mg— DVCapsule
Probiotic Powder with FOSDiscontinued
● OTHER INGREDIENTS (1)
Swanson Probiotics
60 mg— DVPowder
Nature Cleanse PuriFiberDiscontinuedNature's Plus
50 mg— DVLiquid
Dr. Stephen Langer's Ultimate 16 Strain Probiotic with FOSDiscontinued
● OTHER INGREDIENTS (2)
Swanson Probiotics
50 mg— DVCapsule
Dr. Stephan Langer's Ultimate 16 Strain Probiotic with FOSDiscontinued
● OTHER INGREDIENTS (2)
Swanson Probiotics
50 mg— DVCapsule
Dr. Stephen Langer's Ultimate 16 Strain Probiotic with Trace Minerals & FOSDiscontinued
● OTHER INGREDIENTS (2)
Swanson Probiotics
50 mg— DVCapsule
ProBalance 10-20-30Discontinued
● OTHER INGREDIENTS (1)
RightWay Nutrition
50 mg— DVCapsule
Whole Food Total Body Cleanse With Acai And Exotic SuperfruitsDiscontinued
● OTHER INGREDIENTS (2)
Nature's Plus
40 mg— DVCapsule
Ultra G.I. (The Gutsy Formula)Discontinued
● OTHER INGREDIENTS (2)
Douglas Laboratories
38 mg— DVCapsule
Nordic ProbioticDiscontinued
● OTHER INGREDIENTS (1)
Nordic Naturals
20 mg— DVCapsule
Multi-Stage Cleansing Complex Para SystemDiscontinued
● OTHER INGREDIENTS (2)
Nature's Plus
10 mg— DVTablet or Pill
Energy Boosters Formula Chewable Vitamins Tangy Citrus FlavorDiscontinuedGreens Today
7 mg— DVOther (e.g. tea bag)
Probiotic Berry FlavorDiscontinuedHer Own
4.8 Gram(s)— DVGummy or Jelly
Kids Happy Tummy Probiotic Just PeachyDiscontinuedOLLY
1.1 Gram(s)— DVGummy or Jelly
Kids Happy Tummy Just PeachyDiscontinuedOLLY
1.1 Gram(s)— DVGummy or Jelly
BoulardiiMAXDiscontinuedAdvanced Naturals
0 NP— DVCapsule
Dr. Hotze's PM Support PakDiscontinued
⚠ EXCEEDS UL
● OTHER INGREDIENTS (2)
Physician's Preference
0 NP— DVOther (e.g. tea bag)

Frequently Asked Questions

How many products contain FOS?

There are 162 supplement products containing FOS from 42 brands in the NIH DSLD database.

What is the average FOS dosage?

The average FOS dosage across supplement products is 265.13 mg. Dosages range from 0 to 2000 mg.

What is the most common form for FOS supplements?

The most common product form for FOS supplements is Capsule.

What brands make FOS supplements?

There are 42 brands that make supplements containing FOS in the NIH DSLD database.

Related Ingredients

Dietary Fiber799Fructooligosaccharides353Apple Pectin331Inulin308Psyllium250Citrus Pectin152Arabinogalactan148Psyllium husk powder123

Explore More

Quick Facts

Products
162
Brands
42
Avg Dose
265.13 mg
Common Form
Capsule
Category
fiber

Related Ingredients

Dietary Fiber799Fructooligosaccharides353Apple Pectin331Inulin308Psyllium250