Psyllium Husk Fiber Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Psyllium Husk Fiber sales on Amazon US totaled 406,700 units in July 2026 (▲ 2.3% vs. the prior month), generating an estimated $9,571,568 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 61.5% of unit volume and 59.6% of revenue, while a typical listing is priced at $23.19. The keyword itself pulled 26,339 Amazon queries over the same period (▲ 10.8% MoM).
Zooming out to the 12-month window ending July 2026, the psyllium husk fiber Top 50 moved 3,901,850 units and $88,518,152 in cumulative sales — an average of 325,154 units and $7,376,513 per month. Monthly throughput topped out at 406,700 units in July 2026 and dipped to 230,700 in May 2026, leaving the latest reading 37.7% higher than August 2025.
Psyllium Husk Fiber 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
406.7K
▲ 2.3% MoM
Monthly Revenue 2026/07
$9.6M
▲ 3.8% MoM
Top 10 Market Share 2026/07
61.5%
Psyllium Husk Fiber Market Share & Sales Concentration on Amazon US — July 2026
The most-sold psyllium husk fiber listing on Amazon US in July 2026 is ASIN B003CT2YQY (Brand: Metamucil), which sold 60,000 units at $34.97 apiece — equal to 14.8% of every unit tracked in this report and 1.5× the volume of the No. 2 listing.
The Top 10 ASINs account for 250,000 units and $5,705,800 in July 2026 — 61.5% of unit volume and 59.6% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Psyllium Husk Fiber' on Amazon
July 2026
Is 61.5% 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
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
B000N7DP6G
NOW Foods Supplements, Whole Psyllium Husks, Non-GMO Project Verified, Soluble Fiber, 16-Ounce
20K
▲ 1900.0%vs. prior month
$234K
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 Husk Fiber Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Metamucil is the best-performing psyllium husk fiber brand in July 2026, moving 130,000 units across 3 ASINs for 52.0% of Top 10 volume. NOW Foods follows with 60,000 units (24.0%), ahead of NOW on 40,000 units (16.0%).
With 5 brands splitting the Top 10 and 92.0% 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 $11.38 to $25.34, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Metamucil
3 ASINs in Top 10
52.0%
Units
130K
Revenue
$3.8M
Avg. price
$25.34
B003CT2YQY
$34.97·★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 sold60KB001TH7K0G
$24.49·★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 sold30K
NOW Foods
3 ASINs in Top 10
24.0%
Units
60K
Revenue
$1.1M
Avg. price
$18.57
B002RWUNYM
$21.31·★4.5·24.3K revsNOW Foods Supplements, Psyllium Husk Powder, Non-GMO Project Verified, Soluble Fiber, 24-Ounce
Units sold20KB007729DSE
$11.30·★4.5·24.3K revsNOW Foods Supplements, Psyllium Husk Powder, Non-GMO Project Verified, Soluble Fiber, 12-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
2 ASINs in Top 10
16.0%
Units
40K
Revenue
$460K
Avg. price
$11.38
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 sold20KB000N7DP6G
$11.76·★4.6·12.6K revsNOW Foods Supplements, Whole Psyllium Husks, Non-GMO Project Verified, Soluble Fiber, 16-Ounce
Units sold20K
Trending Psyllium Husk Fiber 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, 2 ASINs forced its way in: B000N7DP6G booked 20K units at $11.76, with ▲ 1900.0% MoM change. On the growth side, B0DPRDJ8F1 leads positive momentum with ▲ 233.3% MoM growth on 1K 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.
B000N7DP6G
NOW Foods Supplements, Whole Psyllium Husks, Non-GMO Project Verified, Soluble Fiber, 16-Ounce
Price
$11.76
Rating
4.6
Reviews
12.6K
Latest month sales
B01CTFZFE4
Nutricost Psyllium Husk 1500mg, 500 Capsules, Gluten Free, GMO-Free
Price
$19.95
Rating
4.5
Reviews
7.2K
Latest month sales
B0DPRDJ8F1
Nutricost Psyllium Husk Powder (1.5 Pounds) - GMO-Free, Gluten-Free
Unlock to view ASIN details and product titles
Price
$26.95
Rating
4.4
Reviews
187
Latest month sales
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