Psyllium Fiber Capsules Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Psyllium Fiber Capsules sales on Amazon US totaled 411,400 units in July 2026 (▲ 3.3% vs. the prior month), generating an estimated $10,001,797 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 72.9% of unit volume and 75.2% of revenue, while a typical listing is priced at $23.68. The keyword itself pulled 16,027 Amazon queries over the same period (▲ 1.9% MoM).
Zooming out to the 12-month window ending July 2026, the psyllium fiber capsules Top 50 moved 4,034,250 units and $93,664,904 in cumulative sales — an average of 336,188 units and $7,805,409 per month. Monthly throughput topped out at 411,400 units in July 2026 and dipped to 227,600 in May 2026, leaving the latest reading 22.6% higher than August 2025.
Psyllium Fiber Capsules 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
411.4K
▲ 3.3% MoM
Monthly Revenue 2026/07
$10M
▲ 6.1% MoM
Top 10 Market Share 2026/07
72.9%
Psyllium Fiber Capsules Market Share & Sales Concentration on Amazon US — July 2026
The most-sold psyllium fiber capsules listing on Amazon US in July 2026 is ASIN B003CT2YQY (Brand: Metamucil), which sold 60,000 units at $28.77 apiece — equal to 14.6% of every unit tracked in this report.
The Top 10 ASINs account for 300,000 units and $7,519,600 in July 2026 — 72.9% of unit volume and 75.2% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Psyllium Fiber Capsules' on Amazon
July 2026
Is 72.9% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B003CT2YQY
Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement, Sugar-Free, 180 teaspoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber
60K
▲ 20.0%vs. prior month
$2.1M
latest month
12-month trend
B0BDP24LP4
Metamucil Fiber Gummies for Adults, No Sugar Added Orange Flavor, 5g Prebiotic Plant Based Fiber Supplement Blend, 120 Count
60K
▲ 0.0%vs. prior month
$1.5M
latest month
12-month trend
B001TH7K0G
Metamucil, Psyllium Husk GLP-1 Friendly Fiber Capsules, 300 Capsules, 3-in-1 Fiber Supplement, Daily Psyllium Husk Fiber Capsules Help Support Digestive Health by Promoting Regularity*
40K
▲ 100.0%vs. prior month
$1.2M
latest month
12-month trend
B000052Y5Q
Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement, Sugar-Free, 72 teaspoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber
30K
▲ 0.0%vs. prior month
$536.4K
latest month
12-month trend
B005P0XUAM
NOW Foods Supplements, Psyllium Husk Caps 500 mg, Non-GMO Project Verified, Natural Soluble Fiber, Intestinal Health*, 200 Veg Capsules
20K
▲ 0.0%vs. prior month
$226K
latest month
12-month trend
B002RWUNYM
NOW Foods Supplements, Psyllium Husk Powder, Non-GMO Project Verified, Soluble Fiber, 24-Ounce
20K
▼ 33.3%vs. prior month
$421.4K
latest month
12-month trend
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Best Psyllium Fiber Capsules Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Metamucil is the best-performing psyllium fiber capsules brand in July 2026, moving 220,000 units across 6 ASINs for 73.3% of Top 10 volume. NOW Foods follows with 40,000 units (13.3%), ahead of NOW on 20,000 units (6.7%).
With 4 brands splitting the Top 10 and 93.3% 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 $11.00 to $27.03, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Metamucil
6 ASINs in Top 10
73.3%
Units
220K
Revenue
$6.2M
Avg. price
$27.03
B003CT2YQY
$28.77·★4.7·35.4K revsMetamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement, Sugar-Free, 180 teaspoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber
Units sold60KB0BDP24LP4
$24.95·★4.6·17.6K revsMetamucil Fiber Gummies for Adults, No Sugar Added Orange Flavor, 5g Prebiotic Plant Based Fiber Supplement Blend, 120 Count
Units sold60KB001TH7K0G
$31.95·★4.6·27.1K revsMetamucil, Psyllium Husk GLP-1 Friendly Fiber Capsules, 300 Capsules, 3-in-1 Fiber Supplement, Daily Psyllium Husk Fiber Capsules Help Support Digestive Health by Promoting Regularity*
Units sold40KB000052Y5Q
$16.57·★4.7·9.1K revsMetamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement, Sugar-Free, 72 teaspoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber
Units sold30KB0CQF4PBGC
$31.98·★4.7·3.6K revsMetamucil Fiber Gummies for Adults with Probiotics for Bloating Relief, No Sugar Added Strawberry Kiwi BlackBerry Flavors, 5g Prebiotic Plant Based Fiber Supplement Blend, 90 Count
Units sold20KB0013I4WLG
$27.98·★4.7·8.4K revsMetamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement, Real Sugar, 114 tablespoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber
Units sold10K
NOW Foods
2 ASINs in Top 10
13.3%
Units
40K
Revenue
$883K
Avg. price
$22.20
B002RWUNYM
$21.31·★4.5·24.3K revsNOW Foods Supplements, Psyllium Husk Powder, Non-GMO Project Verified, Soluble Fiber, 24-Ounce
Units sold20KB0013OW2KS
$23.09·★4.6·31.9K revsNOW Foods Supplements, Psyllium Husk Caps 500 mg, Non-GMO Project Verified, Natural Soluble Fiber, Intestinal Health*, 500 Veg Capsules
Units sold20K
NOW
1 ASIN in Top 10
6.7%
Units
20K
Revenue
$226K
Avg. price
$11.00
B005P0XUAM
$11.00·★4.6·31.9K revsNOW Foods Supplements, Psyllium Husk Caps 500 mg, Non-GMO Project Verified, Natural Soluble Fiber, Intestinal Health*, 200 Veg Capsules
Units sold20K
Trending Psyllium Fiber Capsules 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: B004JO3JTM booked 20K units at $16.53, with ▲ 122.2% MoM change. On the growth side, B001TH7K0G leads positive momentum with ▲ 100.0% MoM growth on 40K units, with B0DWDVSHZW close behind at ▲ 100.0% MoM on 2K 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.
B004JO3JTM
Nature's Bounty Acidophilus Probiotic, Daily Probiotic Supplement | Digestive Health, 200 Tablets, Twin Pack
Price
$16.53
Rating
4.6
Reviews
80.9K
Latest month sales
B001TH7K0G
Metamucil, Psyllium Husk GLP-1 Friendly Fiber Capsules, 300 Capsules, 3-in-1 Fiber Supplement, Daily Psyllium Husk Fiber Capsules Help Support Digestive Health by Promoting Regularity*
Price
$31.95
Rating
4.6
Reviews
27.1K
Latest month sales
B0DWDVSHZW
Micro Ingredients Psyllium Husk Capsules 3000mg Per Serving, 500 Veg Caps | Soluble Prebiotic Fiber Supplement for Women & Men | Daily Psyllium Husk Fiber Pills | 83 Servings | Non-GMO, Gluten Free
Unlock to view ASIN details and product titles
Price
$15.99
Rating
4.4
Reviews
394
Latest month sales
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