Supplement Ratings

iHerb picks

Best Probiotics on iHerb

Skip hours of label reading. Every pick below is sold on iHerb and passed our label check with 60+ points, so whatever you choose is worth taking, and you see today's price before you click.

  • Doses, fillers and hidden blends checked
  • Today's price and cost per serving
  • One click to order on iHerb

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Highest score first

121Fortify Optima Probiotic Adult 50+ 50 Billion75/100Nature's WayFortify Optima Probiotic Adult 50+ 50 Billioncapsule · 30 servings · $1.27/servingBuy on iHerb · $38.23
122Fortify Optima Daily Probiotic75/100Nature's WayFortify Optima Daily Probioticcapsule · 30 servings · $0.88/servingBuy on iHerb · $26.49
123Fortify Optima Women's Probiotic 50 Billion75/100Nature's WayFortify Optima Women's Probiotic 50 Billioncapsule · 30 servings · $0.84/servingBuy on iHerb · $25.20
124Fortify Optima Daily Probiotic 50 Billion75/100Nature's WayFortify Optima Daily Probiotic 50 Billioncapsule · 30 servings · $1.02/servingBuy on iHerb · $30.58
125Fortify Optima Daily Probiotic 100 Billion75/100Nature's WayFortify Optima Daily Probiotic 100 Billioncapsule · 30 servings · $1.57/servingBuy on iHerb · $47.24
126Fortify Optima Women's Probiotic 90 Billion75/100Nature's WayFortify Optima Women's Probiotic 90 Billioncapsule · 30 servings · $1.25/servingBuy on iHerb · $37.49
127Fortify Women's Probiotic + Prebiotics 30 Billion75/100Nature's WayFortify Women's Probiotic + Prebiotics 30 Billioncapsule · 30 servings · $0.64/servingBuy on iHerb · $19.19
128Fortify Age 50+ Probiotic + Prebiotics 50 Billion75/100Nature's WayFortify Age 50+ Probiotic + Prebiotics 50 Billioncapsule · 30 servings · $0.83/servingBuy on iHerb · $24.97
129Fortify Daily Probiotic + Prebiotics 30 Billion75/100Nature's WayFortify Daily Probiotic + Prebiotics 30 Billioncapsule · 30 servings · $0.58/servingBuy on iHerb · $17.27
130Essential-Biotic Saccharomyces Boulardii75/100Allergy Research Group Essential-BioticEssential-Biotic Saccharomyces Boulardiicapsule · 40 servings · $1.34/servingBuy on iHerb · $53.69
131Toddler's Probiotic75/100FloraToddler's Probioticpowder · 50 servings · $0.67/servingBuy on iHerb · $33.65
132LactoBif 30 Probiotics 30 Billion CFU75/100California Gold NutritionLactoBif 30 Probiotics 30 Billion CFUcapsule · 60 servings · $0.43/servingBuy on iHerb · $25.82
133Ultra Flora Plus DF Capsules75/100MetagenicsUltra Flora Plus DF Capsulescapsule · 120 servings · $0.75/servingBuy on iHerb · $89.95
134Fortify Optima Daily Probiotic + Prebiotics75/100Nature's Way Fortify OptimaFortify Optima Daily Probiotic + Prebioticscapsule · 60 servings · $0.83/servingBuy on iHerb · $49.99
135Ultra Probiotics75/100NaturesPlusUltra Probioticscapsule · 60 servings · $1.07/servingBuy on iHerb · $64.13
136Fortify Adult Daily Probiotic 30 Billion75/100Nature's WayFortify Adult Daily Probiotic 30 Billioncapsule · 30 servings · $0.58/servingBuy on iHerb · $17.27
137Fortify Adults 50+ Daily Probiotic 30 Billion75/100Nature's WayFortify Adults 50+ Daily Probiotic 30 Billioncapsule · 30 servings · $0.58/servingBuy on iHerb · $17.27
138Fortify Women's Daily Probiotic 30 Billion75/100Nature's WayFortify Women's Daily Probiotic 30 Billioncapsule · 30 servings · $0.64/servingBuy on iHerb · $19.19
139Essential-Biotic Saccharomyces Boulardii 3 Billion CFUs75/100Allergy Research GroupEssential-Biotic Saccharomyces Boulardii 3 Billion CFUscapsule · 20 servings · $1.44/servingBuy on iHerb · $28.89
140Fortify Adult Probiotic 50 Billion Extra-Strength75/100Nature's WayFortify Adult Probiotic 50 Billion Extra-Strengthcapsule · 30 servings · $0.72/servingBuy on iHerb · $21.60
141Fortify Optima Probiotic 35 Billion75/100Nature's WayFortify Optima Probiotic 35 Billioncapsule · 30 servings · $0.88/servingBuy on iHerb · $26.49
142Fortify Ultra Potency Optima Probiotic 100 Billion75/100Nature's WayFortify Ultra Potency Optima Probiotic 100 Billioncapsule · 30 servings · $1.57/servingBuy on iHerb · $47.24
143Fortify 50+ Optima Probiotic 50 Billion75/100Nature's WayFortify 50+ Optima Probiotic 50 Billioncapsule · 30 servings · $1.27/servingBuy on iHerb · $38.23
144Fortify Adults 50+ Probiotic Extra Strength 50 Billion75/100Nature's WayFortify Adults 50+ Probiotic Extra Strength 50 Billioncapsule · 30 servings · $0.83/servingBuy on iHerb · $24.97

Scores rate what's on the label (dosage transparency, cleanliness, ingredient profile), not clinical results. Prices come from the iHerb catalog feed and can change at checkout. See the full Best Probiotics ranking.