Probiotic Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Probiotic sales on Amazon US totaled 926,000 units in July 2026 (▼ 8.7% vs. the prior month), generating an estimated $24,925,230 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 51.8% of unit volume and 56.4% of revenue, while a typical listing is priced at $25.42. The keyword itself pulled 414,635 Amazon queries over the same period (▲ 9.4% MoM).
Zooming out to the 12-month window ending July 2026, the probiotic Top 50 moved 11,164,000 units and $305,291,690 in cumulative sales — an average of 930,333 units and $25,440,974 per month. Monthly throughput topped out at 1,023,000 units in November 2025 and dipped to 573,000 in May 2026, leaving the latest reading 3.7% lower than August 2025.
Probiotic Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
926K
▼ 8.7% MoM
Monthly Revenue 2026/07
$24.9M
▼ 12.2% MoM
Top 10 Market Share 2026/07
51.8%
Probiotic Market Share & Sales Concentration on Amazon US — July 2026
The most-sold probiotic listing on Amazon US in July 2026 is ASIN B00Y8MP4G6 (Brand: Garden of Life), which sold 90,000 units at $26.90 apiece — equal to 9.7% of every unit tracked in this report and 13% ahead of the No. 2 listing.
The Top 10 ASINs account for 480,000 units and $14,056,900 in July 2026 — 51.8% of unit volume and 56.4% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Probiotic' on Amazon
July 2026
Is 51.8% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B00Y8MP4G6
Garden of Life Once Daily Dr. Formulated Probiotics for Women 50 Billion CFU 16 Probiotic Strains with Organic Prebiotics for Digestive, Vaginal & Immune Health, Dairy Free, Shelf Stable 30 Capsules
90K
▼ 10.0%vs. prior month
$2.4M
latest month
12-month trend
B079H53D2B
Physician's CHOICE Probiotics 60 Billion CFU - 10 Strains + Organic Prebiotics - Immune, Digestive & Gut Health - Supports Occasional Constipation, Diarrhea, Gas & Bloating - for Women & Men - 30ct
80K
▼ 20.0%vs. prior month
$1.9M
latest month
12-month trend
B07B8BSGPL
Physician's CHOICE Probiotics for Women - PH Balance, Digestive, UT, & Feminine Health - 50 Billion CFU - 6 Unique Strains for Her - Organic Prebiotics, Cranberry Extract+ - Women Probiotic - 30 CT
60K
▲ 20.0%vs. prior month
$1.2M
latest month
12-month trend
B0C21ZLQNC
Physician's CHOICE Digestive Enzymes for Bloating & Digestion - Fast-Acting 16 Enzyme Formula with Organic Prebiotics & Probiotics for Gut & Digestive Health - Meal Time Discomfort Relief - 60 CT
50K
▼ 16.7%vs. prior month
$965.5K
latest month
12-month trend
B08Y66H6B7
Culturelle Pro Strength Probiotics for Digestive Gut Health*, 12B CFU, 60ct | Daily Prebiotic Probiotic for Women & Men, Synbiotic, Lactobacillus Rhamnosus GG, No Refrigeration Needed, 2 Month Supply
50K
▼ 16.7%vs. prior month
$1.5M
latest month
12-month trend
B09GLGC9DG
Physician's CHOICE Probiotics 60 Billion CFU - 10 Strains + Organic Prebiotics - Immune, Digestive & Gut Health - Supports Occasional Constipation, Diarrhea, Gas & Bloating - for Women & Men - 60ct
50K
▼ 16.7%vs. prior month
$1.9M
latest month
12-month trend
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Best Probiotic Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Physician's CHOICE is the best-performing probiotic brand in July 2026, moving 240,000 units across 4 ASINs for 50.0% of Top 10 volume. Garden of Life follows with 90,000 units (18.8%), ahead of Culturelle on 50,000 units (10.4%).
With 7 brands splitting the Top 10 and 79.2% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $24.84 to $30.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Physician's CHOICE
4 ASINs in Top 10
50.0%
Units
240K
Revenue
$6M
Avg. price
$24.84
B079H53D2B
$21.35·★4.6·144.2K revsPhysician's CHOICE Probiotics 60 Billion CFU - 10 Strains + Organic Prebiotics - Immune, Digestive & Gut Health - Supports Occasional Constipation, Diarrhea, Gas & Bloating - for Women & Men - 30ct
Units sold80KB07B8BSGPL
$24.97·★4.6·56.9K revsPhysician's CHOICE Probiotics for Women - PH Balance, Digestive, UT, & Feminine Health - 50 Billion CFU - 6 Unique Strains for Her - Organic Prebiotics, Cranberry Extract+ - Women Probiotic - 30 CT
Units sold60KB0C21ZLQNC
$17.97·★4.4·19.2K revsPhysician's CHOICE Digestive Enzymes for Bloating & Digestion - Fast-Acting 16 Enzyme Formula with Organic Prebiotics & Probiotics for Gut & Digestive Health - Meal Time Discomfort Relief - 60 CT
Units sold50KB09GLGC9DG
$35.07·★4.6·144.2K revsPhysician's CHOICE Probiotics 60 Billion CFU - 10 Strains + Organic Prebiotics - Immune, Digestive & Gut Health - Supports Occasional Constipation, Diarrhea, Gas & Bloating - for Women & Men - 60ct
Units sold50K
Garden of Life
1 ASIN in Top 10
18.8%
Units
90K
Revenue
$2.4M
Avg. price
$26.90
B00Y8MP4G6
$26.90·★4.6·60.2K revsGarden of Life Once Daily Dr. Formulated Probiotics for Women 50 Billion CFU 16 Probiotic Strains with Organic Prebiotics for Digestive, Vaginal & Immune Health, Dairy Free, Shelf Stable 30 Capsules
Units sold90K
Culturelle
1 ASIN in Top 10
10.4%
Units
50K
Revenue
$1.5M
Avg. price
$30.99
B08Y66H6B7
$30.99·★4.7·15.7K revsCulturelle Pro Strength Probiotics for Digestive Gut Health*, 12B CFU, 60ct | Daily Prebiotic Probiotic for Women & Men, Synbiotic, Lactobacillus Rhamnosus GG, No Refrigeration Needed, 2 Month Supply
Units sold50K
Trending Probiotic Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B01NB0G1V8 booked 20K units at $67.99, with ▲ 0.0% MoM change. On the growth side, B004JO3JTM leads positive momentum with ▲ 122.2% MoM growth on 20K units, with B0DLPJH5FX close behind at ▲ 100.0% MoM on 20K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B01NB0G1V8
Florastor Probiotic for Digestive and Immune Health, 100 Capsules | Probiotics for Women & Men, Helps Flush Out Unwanted Bacteria, Boosts The Good with Our Unique Strain Saccharomyces Boulardii
Price
$67.99
Rating
4.6
Reviews
16.4K
Latest month sales
B004JO3JTM
Nature's Bounty Acidophilus Probiotic, Daily Probiotic Supplement | Digestive Health, 200 Tablets, Twin Pack
Price
$9.99
Rating
4.6
Reviews
80.8K
Latest month sales
B0DLPJH5FX
Physician's CHOICE Advanced Gut Health Bundle: 60 Billion Probiotics 30ct + Digestive Enzymes 60ct for Digestive, Gut, and Immune Health Supports Occasional Constipation, Diarrhea, Gas, and Bloating
Unlock to view ASIN details and product titles
Price
$39.97
Rating
4.4
Reviews
5.4K
Latest month sales
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