BestPicks

Best Probiotic on iHerb (2026): 7 Best Sellers Compared by Label

Last updated:

Affiliate disclosure: links to iHerb on this page may be affiliate links. If you buy through them, we may earn a commission at no extra cost to you. We have not tested these products; this page summarizes label information and does not make health claims. Supplements do not replace medical care — talk to a doctor or pharmacist if you are pregnant, nursing, taking medication or have a medical condition. Learn more

If you are searching for the best probiotic on iHerb, this page does not pick a winner. It lines up 8 probiotic products from iHerb's US store (Probiotics category, Best sellers sort) and copies what the label says: CFU per serving, the species or strains listed, the form (capsule or chewable tablet), the serving size, servings per container, other ingredients, storage wording and label cautions, plus the US price we saw on 2026-11-04. Products come from the front of the Best sellers list; the same product in different pack sizes is merged, and no more than 3 products per brand are included. We have not tested any product, we make no health claims, and the order is not a quality ranking. Supplements do not replace medical care.

How to choose

Quick summary

  1. 1. California Gold Nutrition LactoBif 30 Probiotics, 60 Veggie CapsulesUS$25.82 on iHerb USA one-capsule serving with 30 billion CFU from 8 listed species, 60 servings per container.
  2. 2. California Gold Nutrition LactoBif 5 Probiotics, 5 Billion CFU, 60 Veggie CapsulesUS$8.05 on iHerb USA one-capsule serving with 5 billion CFU from 8 listed species, 60 servings per container.
  3. 3. Garden of Life Dr. Formulated Probiotics, Once Daily, 50 Billion, 30 Vegetarian CapsulesUS$29.90 on iHerb USA one-capsule serving with 50 billion CFU at expiration, 16 listed species and a prebiotic fiber blend; 30 servings per container.
  4. 4. NOW Foods Probiotic-10, 100 Veg CapsulesUS$27.55 on iHerb USA one-capsule serving with 25 billion CFU from 10 listed strains, 100 servings per container.
  5. 5. California Gold Nutrition LactoBif 100 Probiotics, 100 Billion CFU, 60 Veggie CapsulesUS$49.78 on iHerb USA one-capsule serving with 100 billion CFU from 8 listed species, 60 servings per container.
  6. 6. Jarrow Formulas Jarro-Dophilus EPS, 120 Veggie Caps (5 Billion CFU per Capsule)US$42.21 on iHerb USA two-capsule serving with 10 billion CFU from 8 listed species, enteric-coated, 60 servings per container.
  7. 7. BioGaia Gastrus Probiotic Chewable Tablets, 30 Chewable TabletsUS$24.00 on iHerb USA chewable tablet with 200 million CFU from two L.

Products

1. California Gold Nutrition LactoBif 30 Probiotics, 60 Veggie Capsules (California Gold Nutrition)

Price: US$25.82 on iHerb US (checked 2026-11-04); iHerb shows US$0.43/serving. Prices and promotions differ by country, so the checkout page is final

Form
Capsule (veggie)
Serving size
1 capsule
Servings per container
60
CFU per serving
30 Billion CFU (probiotic bacteria blend 136 mg); %DV not established
Cultures listed
8 species: 5 Lactobacillus and 3 Bifidobacterium (L. acidophilus, L. rhamnosus, B. lactis, B. longum, L. plantarum, L. casei, L. salivarius, B. breve)
Storage on label
Store in a cool, dry place; the label says refrigeration is not required but highly recommended, and potency is guaranteed until the expiration date when stored at 77°F (25°C) or below
Suggested use on label
Label suggests 1 capsule daily, with or without food
Other ingredients
Microcrystalline cellulose, hypromellose veggie capsule, magnesium stearate, silicon dioxide
Label cautions
Keep out of reach of children; label says to consult a licensed physician, pharmacist or other qualified healthcare professional before taking dietary supplements; do not use if the blister pack material is punctured or missing.
iHerb listing
Product code CGN-00965; first listed on iHerb 05/2015; iHerb shows 172,339 reviews (a count, not a quality measure)
Pros
  • One capsule per serving
  • Individually double-foil blister sealed, as stated on the label
Cons
  • Label says refrigeration is not required but highly recommended

Best for: A one-capsule serving with 30 billion CFU from 8 listed species, 60 servings per container. If you are pregnant, nursing, taking medication or have a medical condition, ask a doctor or pharmacist first.

2. California Gold Nutrition LactoBif 5 Probiotics, 5 Billion CFU, 60 Veggie Capsules (California Gold Nutrition)

Price: US$8.05 on iHerb US (checked 2026-11-04); shown as 25% off the US$10.73 list price; iHerb shows US$0.13/serving. Prices and promotions differ by country, so the checkout page is final

Form
Capsule (veggie)
Serving size
1 capsule
Servings per container
60
CFU per serving
5 Billion CFU (probiotic bacteria blend 36 mg); %DV not established
Cultures listed
8 species: 5 Lactobacillus and 3 Bifidobacterium (same species names as the LactoBif 30 label)
Storage on label
Store in a cool, dry place; the label says refrigeration is not required but highly recommended, and potency is guaranteed until the expiration date when stored at 77°F (25°C) or below
Suggested use on label
Label suggests 1 capsule daily, with or without food
Other ingredients
Microcrystalline cellulose, hypromellose veggie capsule, magnesium stearate, silicon dioxide
Label cautions
Keep out of reach of children; label says to consult a licensed physician, pharmacist or other qualified healthcare professional before taking dietary supplements; do not use if the blister pack material is punctured or missing.
iHerb listing
Product code CGN-00963; first listed on iHerb 05/2015; iHerb shows 114,695 reviews (a count, not a quality measure)
Pros
  • One capsule per serving
  • Individually double-foil blister sealed, as stated on the label
  • iHerb shows US$0.13/serving
Cons
  • Label says refrigeration is not required but highly recommended

Best for: A one-capsule serving with 5 billion CFU from 8 listed species, 60 servings per container. If you are pregnant, nursing, taking medication or have a medical condition, ask a doctor or pharmacist first.

3. Garden of Life Dr. Formulated Probiotics, Once Daily, 50 Billion, 30 Vegetarian Capsules (Garden of Life)

Price: US$29.90 on iHerb US (checked 2026-11-04); iHerb shows US$1.00/serving. Prices and promotions differ by country, so the checkout page is final

Form
Capsule (vegetarian)
Serving size
1 capsule
Servings per container
30
CFU per serving
50 Billion CFU at expiration under recommended storage (blend 248 mg: 40 Billion CFU lacto cultures, 10 Billion CFU bifido cultures); %DV not established
Cultures listed
16 species: 11 Lactobacillus-group names and 5 Bifidobacterium; also lists an organic prebiotic fiber blend (317 mg)
Storage on label
Store in a cool, dry place
Suggested use on label
Label suggests 1 capsule daily, with or without food; the label says capsules can be opened and the contents taken with water or juice, and that it is not intended for children
Other ingredients
Non-GMO vegetable cellulose capsule
Label cautions
Label says to consult your healthcare practitioner before use if pregnant, lactating, on medication or with any health condition; keep out of reach of children; do not use if the safety seal is broken or missing.
iHerb listing
Product code GOL-11832; first listed on iHerb 07/2015; iHerb shows 26,581 reviews (a count, not a quality measure)
Pros
  • One capsule per serving
  • Lists 16 species and a prebiotic fiber blend on the label
Cons
  • iHerb shows US$1.00/serving
  • 30 servings per container

Best for: A one-capsule serving with 50 billion CFU at expiration, 16 listed species and a prebiotic fiber blend; 30 servings per container. If you are pregnant, nursing, taking medication or have a medical condition, ask a doctor or pharmacist first.

4. NOW Foods Probiotic-10, 100 Veg Capsules (NOW Foods)

Price: US$27.55 on iHerb US (checked 2026-11-04); iHerb shows US$0.28/serving. Prices and promotions differ by country, so the checkout page is final

Form
Capsule (veg)
Serving size
1 veg capsule
Servings per container
100
CFU per serving
25 Billion CFU (blend of 10 strains, 160 mg); %DV not established
Cultures listed
10 strains with strain codes (e.g. L. acidophilus La-14, B. lactis BI-04, S. thermophilus St-21)
Storage on label
Store in a cool, dry place
Suggested use on label
Label suggests 1 capsule 1 to 2 times daily between meals or on an empty stomach
Other ingredients
Microcrystalline cellulose, hypromellose capsule, FOS (fructooligosaccharides), ascorbyl palmitate, silicon dioxide
Label cautions
Label says to consult a physician if pregnant or nursing, taking medication or with a medical condition; it has precautions about specific medication types and conditions, so ask a doctor or pharmacist; keep out of reach of children.
iHerb listing
Product code NOW-02933; first listed on iHerb 07/2015; iHerb shows 41,833 reviews (a count, not a quality measure)
Other sizes
Also sold as a 50-capsule bottle (same label); sales of both sizes are merged on this page.
Pros
  • One capsule per serving
  • 100 servings per container
  • Strain codes are printed on the label
Cons
  • Other ingredients include FOS (fructooligosaccharides)

Best for: A one-capsule serving with 25 billion CFU from 10 listed strains, 100 servings per container. If you are pregnant, nursing, taking medication or have a medical condition, ask a doctor or pharmacist first.

5. California Gold Nutrition LactoBif 100 Probiotics, 100 Billion CFU, 60 Veggie Capsules (California Gold Nutrition)

Price: US$49.78 on iHerb US (checked 2026-11-04); iHerb shows US$0.83/serving. Prices and promotions differ by country, so the checkout page is final

Form
Capsule (veggie)
Serving size
1 capsule
Servings per container
60
CFU per serving
100 Billion CFU (probiotic bacteria blend 200 mg); %DV not established
Cultures listed
8 species: 5 Lactobacillus and 3 Bifidobacterium (same species names as the LactoBif 30 label)
Storage on label
Store in a cool, dry place; the label says refrigeration is not required but highly recommended, and potency is guaranteed until the expiration date when stored at 77°F (25°C) or below
Suggested use on label
Label suggests 1 capsule daily, with or without food
Other ingredients
Hypromellose veggie capsule, microcrystalline cellulose, magnesium stearate, silicon dioxide
Label cautions
Keep out of reach of children; label says to consult a licensed physician, pharmacist or other qualified healthcare professional before taking dietary supplements; do not use if the blister pack material is punctured or missing.
iHerb listing
Product code CGN-02524; first listed on iHerb 11/2024; iHerb shows 28,137 reviews (a count, not a quality measure)
Pros
  • One capsule per serving
  • Individually double-foil blister sealed, as stated on the label
Cons
  • iHerb shows US$0.83/serving

Best for: A one-capsule serving with 100 billion CFU from 8 listed species, 60 servings per container. If you are pregnant, nursing, taking medication or have a medical condition, ask a doctor or pharmacist first.

6. Jarrow Formulas Jarro-Dophilus EPS, 120 Veggie Caps (5 Billion CFU per Capsule) (Jarrow Formulas)

Price: US$42.21 on iHerb US (checked 2026-11-04); iHerb shows US$0.70/serving. Prices and promotions differ by country, so the checkout page is final

Form
Capsule (veggie, enteric coated)
Serving size
2 capsules
Servings per container
60
CFU per serving
10 Billion CFU (proprietary blend 131 mg); %DV not established
Cultures listed
8 species with strain codes (e.g. L. rhamnosus R0011, L. helveticus R0052, B. longum BB536)
Storage on label
Label says no refrigeration is necessary and to store in a cool, dry place at or below 77°F (25°C); it adds that refrigeration extends shelf life
Suggested use on label
Label suggests 2 capsules once a day with water or juice, preferably on an empty stomach, or as directed by a qualified healthcare professional
Other ingredients
Potato starch, capsule (hydroxypropylmethylcellulose, water), enteric coating (hypromellose, ethylcellulose, sodium alginate, medium chain triglycerides, oleic acid, stearic acid), magnesium stearate, ascorbic acid; label states it contains milk and soy in trace amounts
Label cautions
Label says to consult a healthcare professional before use if you are pregnant, nursing, under 18, taking medication or have a medical condition; keep out of reach of children; do not use if the safety seal or blister is broken, damaged or missing.
iHerb listing
Product code JRW-03024; first listed on iHerb 05/2007; iHerb shows 19,860 reviews (a count, not a quality measure)
Pros
  • Enteric-coated capsule listed, with strain codes printed
Cons
  • 2 capsules per serving
  • Label states it contains milk and soy in trace amounts
  • iHerb shows US$0.70/serving

Best for: A two-capsule serving with 10 billion CFU from 8 listed species, enteric-coated, 60 servings per container. If you are pregnant, nursing, taking medication or have a medical condition, ask a doctor or pharmacist first.

7. BioGaia Gastrus Probiotic Chewable Tablets, 30 Chewable Tablets (BioGaia)

Price: US$24.00 on iHerb US (checked 2026-11-04); iHerb shows US$0.80/serving. Prices and promotions differ by country, so the checkout page is final

Form
Chewable tablet
Serving size
1 tablet
Servings per container
30
CFU per serving
200 million CFU (L. reuteri blend); %DV not established
Cultures listed
2 strains of L. reuteri (ATCC PTA 6475 and DSM 17938)
Storage on label
Store in a dry place at room temperature
Suggested use on label
Label suggests 1 to 2 chewable tablets per day
Other ingredients
Isomalt, ascorbic acid, mint flavor, mandarin flavor
Label cautions
Keep out of reach of children; label says to store in a dry place at room temperature.
iHerb listing
Product code BGA-46017; first listed on iHerb 04/2018; iHerb shows 5,509 reviews (a count, not a quality measure)
Pros
  • One tablet per serving
  • Chewable tablet, the only non-capsule form here
Cons
  • The label lists 200 million CFU per tablet, versus 5 to 100 billion CFU per serving for the capsules on this page
  • iHerb shows US$0.80/serving
  • 30 servings per container

Best for: A chewable tablet with 200 million CFU from two L. reuteri strains, 30 servings per container, with isomalt and mint and mandarin flavors listed. If you are pregnant, nursing, taking medication or have a medical condition, ask a doctor or pharmacist first.

Comparison table

ProductBrandFormServing sizeServings per containerCFU per servingCultures listedStorage on labelSuggested use on labelOther ingredientsLabel cautionsiHerb listingOther sizesPrice
California Gold Nutrition LactoBif 30 Probiotics, 60 Veggie CapsulesCalifornia Gold NutritionCapsule (veggie)1 capsule6030 Billion CFU (probiotic bacteria blend 136 mg); %DV not established8 species: 5 Lactobacillus and 3 Bifidobacterium (L. acidophilus, L. rhamnosus, B. lactis, B. longum, L. plantarum, L. casei, L. salivarius, B. breve)Store in a cool, dry place; the label says refrigeration is not required but highly recommended, and potency is guaranteed until the expiration date when stored at 77°F (25°C) or belowLabel suggests 1 capsule daily, with or without foodMicrocrystalline cellulose, hypromellose veggie capsule, magnesium stearate, silicon dioxideKeep out of reach of children; label says to consult a licensed physician, pharmacist or other qualified healthcare professional before taking dietary supplements; do not use if the blister pack material is punctured or missing.Product code CGN-00965; first listed on iHerb 05/2015; iHerb shows 172,339 reviews (a count, not a quality measure)—US$25.82 on iHerb US (checked 2026-11-04); iHerb shows US$0.43/serving. Prices and promotions differ by country, so the checkout page is final
California Gold Nutrition LactoBif 5 Probiotics, 5 Billion CFU, 60 Veggie CapsulesCalifornia Gold NutritionCapsule (veggie)1 capsule605 Billion CFU (probiotic bacteria blend 36 mg); %DV not established8 species: 5 Lactobacillus and 3 Bifidobacterium (same species names as the LactoBif 30 label)Store in a cool, dry place; the label says refrigeration is not required but highly recommended, and potency is guaranteed until the expiration date when stored at 77°F (25°C) or belowLabel suggests 1 capsule daily, with or without foodMicrocrystalline cellulose, hypromellose veggie capsule, magnesium stearate, silicon dioxideKeep out of reach of children; label says to consult a licensed physician, pharmacist or other qualified healthcare professional before taking dietary supplements; do not use if the blister pack material is punctured or missing.Product code CGN-00963; first listed on iHerb 05/2015; iHerb shows 114,695 reviews (a count, not a quality measure)—US$8.05 on iHerb US (checked 2026-11-04); shown as 25% off the US$10.73 list price; iHerb shows US$0.13/serving. Prices and promotions differ by country, so the checkout page is final
Garden of Life Dr. Formulated Probiotics, Once Daily, 50 Billion, 30 Vegetarian CapsulesGarden of LifeCapsule (vegetarian)1 capsule3050 Billion CFU at expiration under recommended storage (blend 248 mg: 40 Billion CFU lacto cultures, 10 Billion CFU bifido cultures); %DV not established16 species: 11 Lactobacillus-group names and 5 Bifidobacterium; also lists an organic prebiotic fiber blend (317 mg)Store in a cool, dry placeLabel suggests 1 capsule daily, with or without food; the label says capsules can be opened and the contents taken with water or juice, and that it is not intended for childrenNon-GMO vegetable cellulose capsuleLabel says to consult your healthcare practitioner before use if pregnant, lactating, on medication or with any health condition; keep out of reach of children; do not use if the safety seal is broken or missing.Product code GOL-11832; first listed on iHerb 07/2015; iHerb shows 26,581 reviews (a count, not a quality measure)—US$29.90 on iHerb US (checked 2026-11-04); iHerb shows US$1.00/serving. Prices and promotions differ by country, so the checkout page is final
NOW Foods Probiotic-10, 100 Veg CapsulesNOW FoodsCapsule (veg)1 veg capsule10025 Billion CFU (blend of 10 strains, 160 mg); %DV not established10 strains with strain codes (e.g. L. acidophilus La-14, B. lactis BI-04, S. thermophilus St-21)Store in a cool, dry placeLabel suggests 1 capsule 1 to 2 times daily between meals or on an empty stomachMicrocrystalline cellulose, hypromellose capsule, FOS (fructooligosaccharides), ascorbyl palmitate, silicon dioxideLabel says to consult a physician if pregnant or nursing, taking medication or with a medical condition; it has precautions about specific medication types and conditions, so ask a doctor or pharmacist; keep out of reach of children.Product code NOW-02933; first listed on iHerb 07/2015; iHerb shows 41,833 reviews (a count, not a quality measure)Also sold as a 50-capsule bottle (same label); sales of both sizes are merged on this page.US$27.55 on iHerb US (checked 2026-11-04); iHerb shows US$0.28/serving. Prices and promotions differ by country, so the checkout page is final
California Gold Nutrition LactoBif 100 Probiotics, 100 Billion CFU, 60 Veggie CapsulesCalifornia Gold NutritionCapsule (veggie)1 capsule60100 Billion CFU (probiotic bacteria blend 200 mg); %DV not established8 species: 5 Lactobacillus and 3 Bifidobacterium (same species names as the LactoBif 30 label)Store in a cool, dry place; the label says refrigeration is not required but highly recommended, and potency is guaranteed until the expiration date when stored at 77°F (25°C) or belowLabel suggests 1 capsule daily, with or without foodHypromellose veggie capsule, microcrystalline cellulose, magnesium stearate, silicon dioxideKeep out of reach of children; label says to consult a licensed physician, pharmacist or other qualified healthcare professional before taking dietary supplements; do not use if the blister pack material is punctured or missing.Product code CGN-02524; first listed on iHerb 11/2024; iHerb shows 28,137 reviews (a count, not a quality measure)—US$49.78 on iHerb US (checked 2026-11-04); iHerb shows US$0.83/serving. Prices and promotions differ by country, so the checkout page is final
Jarrow Formulas Jarro-Dophilus EPS, 120 Veggie Caps (5 Billion CFU per Capsule)Jarrow FormulasCapsule (veggie, enteric coated)2 capsules6010 Billion CFU (proprietary blend 131 mg); %DV not established8 species with strain codes (e.g. L. rhamnosus R0011, L. helveticus R0052, B. longum BB536)Label says no refrigeration is necessary and to store in a cool, dry place at or below 77°F (25°C); it adds that refrigeration extends shelf lifeLabel suggests 2 capsules once a day with water or juice, preferably on an empty stomach, or as directed by a qualified healthcare professionalPotato starch, capsule (hydroxypropylmethylcellulose, water), enteric coating (hypromellose, ethylcellulose, sodium alginate, medium chain triglycerides, oleic acid, stearic acid), magnesium stearate, ascorbic acid; label states it contains milk and soy in trace amountsLabel says to consult a healthcare professional before use if you are pregnant, nursing, under 18, taking medication or have a medical condition; keep out of reach of children; do not use if the safety seal or blister is broken, damaged or missing.Product code JRW-03024; first listed on iHerb 05/2007; iHerb shows 19,860 reviews (a count, not a quality measure)—US$42.21 on iHerb US (checked 2026-11-04); iHerb shows US$0.70/serving. Prices and promotions differ by country, so the checkout page is final
BioGaia Gastrus Probiotic Chewable Tablets, 30 Chewable TabletsBioGaiaChewable tablet1 tablet30200 million CFU (L. reuteri blend); %DV not established2 strains of L. reuteri (ATCC PTA 6475 and DSM 17938)Store in a dry place at room temperatureLabel suggests 1 to 2 chewable tablets per dayIsomalt, ascorbic acid, mint flavor, mandarin flavorKeep out of reach of children; label says to store in a dry place at room temperature.Product code BGA-46017; first listed on iHerb 04/2018; iHerb shows 5,509 reviews (a count, not a quality measure)—US$24.00 on iHerb US (checked 2026-11-04); iHerb shows US$0.80/serving. Prices and promotions differ by country, so the checkout page is final

Buying criteria

FAQ

Is this a ranking of the best probiotic?

No. The order follows iHerb US's Best sellers list for the category on 2026-11-04. We have not tested the products and do not say which one is better.

Does a higher CFU number mean a better product?

This page does not draw that conclusion. CFU is simply the count printed on each label; we list it and leave the choice to you and your doctor or pharmacist.

Why might the price on iHerb differ from this page?

We show iHerb US prices in USD as read on 2026-11-04. iHerb prices and promotions differ by country and change over time, so go by the price on the checkout page.

Do all of these have the same storage wording?

No. Some labels say refrigeration is not required, some say it is highly recommended or extends shelf life, and others only say to store in a cool, dry place. See the "Storage on label" line for each product.

Can I take these with medication or during pregnancy?

This page cannot answer that. Several labels advise asking a doctor if you are pregnant, nursing, under 18 or taking medication, so ask a doctor or pharmacist before use.