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High-Dose FOS Supplements

31 products above 225 mg

31 supplements contain high-dose FOS (above 225 mg). The highest dosage product is Ultimate Flora Probiotic Ultimate Care 200 Billion at 2000 mg.

Low Dose (32)High Dose (31)

High-Dose Products (sorted by dosage)

ProductBrandDosage% DV
Ultimate Flora Probiotic Ultimate Care 200 BillionRenew Life2000 mg—
Ultimate Flora Super CriticaldiscontinuedRenew Life2000 mg—
Extra Care Ultimate Flora Probiotic 200 BillionRenew Life2000 mg—
Ultimate FloraMax Super Critical 200 BilliondiscontinuedAdvanced Naturals2000 mg—
Ultimate Flora Probiotic Extra Care 200 BillionRenew Life2000 mg—
D-Mannose ComplexdiscontinuedDaVinci Laboratories Of Vermont1000 mg—
D-Mannose ComplexdiscontinuedDaVinci Laboratories of Vermont1000 mg—
Spore Probiotic Powderyoutheory1000 mg—
Flora BabydiscontinuedRenew Life950 mg—
Ultra Probiotic for SeniorsSwanson750 mg—
Ultra Probiotic For SeniorsdiscontinuedSwanson750 mg—
Ultra Pure Probiotic 18Vital Nutrients560 mg—
Probiotic 18 PlusdiscontinuedVital Nutrients560 mg—
Spectra GreensdiscontinuedDaVinci Laboratories Of Vermont500 mg—
Acidophilus D.R.Progressive Professional from Progressive Laboratories500 mg—
Probiotics Fortified With FOSdiscontinuedHealth Thru Nutrition Naturally500 mg—
Microencapsulated Probiotic with FOSdiscontinuedHealth Thru Nutrition500 mg—
Probiotic 6 Strains + 500 mg FOS 10b cfuHealth Thru Nutrition500 mg—
Probiotic ComplexdiscontinuedSwanson Ultra400 mg—
ProbioticMetabolic Maintenance350 mg—
Probiotic Extra StrengthMetabolic Maintenance300 mg—
Maximum Vibrance ChocolatediscontinuedVibrant Health300 mg—
Maximum VibrancediscontinuedVibrant Health300 mg—
Mucosal FactorsIntegrative Therapeutics270 mg—
NF Formulas Spectra ProbioticIntegrative Therapeutics270 mg—
Spectra ProbioticdiscontinuedIntegrative Therapeutics270 mg—
Advanced Therapeutics Glucosamine Chondroitin MSM Ultra Rx-Joint Liquid Honey Lemon FlavordiscontinuedNature's Plus250 mg—
Advanced Therapeutics Glucosamine Chondroitin MSM Ultra Rx-Joint Liquid Delicious Honey Lemon FlavordiscontinuedNature's Plus250 mg—
Advanced Therapeutics Glucosamine Chondroitin MSM Ultra Rx-Joint Liquid Honey Lemon FlavordiscontinuedNaturesPlus250 mg—
Joint Formula French Vanilla FlavordiscontinuedGreens Today250 mg—
Ultimate YouthYoungevity225 mg—

Frequently Asked Questions

What is considered high-dose FOS?

Based on 162 products in the NIH DSLD database, high-dose FOS supplements contain 225+ mg.

Is high-dose FOS safe?

This site presents supplement label data only. Consult a healthcare professional before taking high doses of any supplement, including FOS.