Is psyllium husk capsules profitable to sell on Amazon United States?

The niche generates $3.1M/yr across 17 tracked products. 90-day search growth is +9.8%. Flapen's verdict: Launch it (60/100).

How competitive is the psyllium husk capsules niche?

15 brands and 93 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 81% of demand.

What do buyers complain about in psyllium husk capsules?

Top complaints mined from reviews: Functionality-Overall, Dosage, Nutritional Content. The return rate is 0.0%.

When does demand for psyllium husk capsules peak?

Demand peaks in Jun; the busiest month runs 1.6× the quietest.

What does it cost to enter the psyllium husk capsules niche?

Listings span $8.22–$32.99; the average listing price is $18.61 (sweet spot $15–$100). The average incumbent carries 7,008 reviews — the moat a new listing must climb.

psyllium husk capsules

Launch it

A $3.1M/yr market growing +9.8% this quarter with returns at 0.0% — clears our launch bar.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible14.5%

search→purchase rate — share of searches ending in a sale

Market size

Incredible$3.1M

$3.1M/yr · 1.2M searches

Avg price

Great$18.61

avg listing price — sweet spot $15–$100

Price range

Good$8.22–$32.99

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Okay81%

top-5 brand share — brands hold most of the demand

Growth

Okay+9.8%

90-day search growth — must beat 0% to launch

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Bad7,008.24

avg incumbent reviews — the moat a new listing must climb

Competition

Bad73%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, psyllium husk capsules is a $3.1M/yr Amazon United States market (1.2M searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Jun. Verdict: Launch it — 60/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

psyllium husk capsules market data

Units sold / yr: 150K–200K; avg 10,000–12,500/product
Revenue / yr: $2.8M–$3.7M; units × avg price
Conversion rate: 14.5%
Avg BSR: #45
Page quality: 0%
Prime: 100%
Sponsored: 76%
Out of stock: 0.5%
Avg brand age: 70 months
Avg seller age: 151 days

Competition & brand share

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

Brands

15 rising

Sellers

Top-5 brand share

81%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

15%

NOW Foods45%
Nutricost17%
Metamucil8%
Sunergetic7%
Yerba Prima4%
Micro Ingredients4%
Open — no brand owns it (9 brands, 15%)

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — +9.8% search growth over the last 90 days.

Peak months: Jun · busiest ÷ quietest = 1.6×

Open Trend

Top psyllium husk capsules search terms

psyllium husk capsules918K/yr +11.0%12.8% conv.
now psyllium husk capsules38K/yr +7.9%17.1% conv.
psyllium husk pills26K/yr +32.1%9.8% conv.
psyllium capsules26K/yr -6.3%7.4% conv.
psyllium husk fiber capsules18K/yr -22.1%7.4% conv.
psyllium fiber supplement14K/yr +9.4%2.5% conv.
psyllium husk caps13K/yr -7.5%14.0% conv.
psyllium husk powder capsules14K/yr -8.2%9.3% conv.
psyllium husk supplement10K/yr +15.8%5.4% conv.
fiber pills psyllium husk6K/yr +44.1%9.3% conv.

All search terms

Top psyllium husk capsules products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NOW Foods Supplements Psyllium Husk Caps 500 mg Non-GMO Project Verified Natural Soluble Fiber Intestinal Health* 200 Veg Capsules

NOW Foods$10.494.6★31,631 rev

NOW Foods Supplements Psyllium Husk Caps 500 mg Non-GMO Project Verified Natural Soluble Fiber Intestinal Health* 500 Veg Capsules

NOW Foods$19.994.6★31,631 rev

Nutricost Psyllium Husk 1500mg 500 Capsules Gluten Free GMO-Free

Nutricost$19.554.5★7,128 rev

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*

Metamucil$32.994.6★26,964 rev

Premium Psyllium Husk Fiber Supplement 1450mg 240 Capsules

Sunergetic$21.054.5★7,630 rev

Newest

by launch date

NatureBell Psyllium Husk Fiber Capsules 2 000mg Per Serving 360 Caps | Soluble Fiber Supplement | 3-in-1 with Inulin & Chia Seed | Plant Based Non-GMO Gluten Free

NatureBell$15.51315 rev

1y ago

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

Micro Ingredients$18.81351 rev

1y ago

WeightWorld Psyllium Husk Capsules 1500mg (750mg per Cap) | Prebiotics & Soluble Fiber Supplement for Digestive Health - 240 Vegan Psyllium Husk Powder Capsules Non-GMO Gluten-Free

WeightWorld$18.20248 rev

2y ago

Members Mark 100% Natural Psyllium Husk Fiber Capsules Digestive Health 400 Count (Pack of 1)

MEMBER´S MARK$16.851,428 rev

3y ago

Psyllium Husk 1500mg Per Serving 300 Capsules 3 in 1 Fiber Supplement with Inulin & Acacia Complex Natural Soluble Fiber Supports Digestive Health* Plant Based Non-GMO

DEAL SUPPLEMENT$19.151,924 rev

3y ago

What buyers say about psyllium husk capsules

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall14%

“No complaints at all”

Value For Money13%

“Great deal”

Efficiency10%

“Does the job”

Regulates Digestion8%

“Easy to digest”

Ease Of Use7%

“Easy to Take”

Nutritional Content7%

“Amazing supplement”

Advertised Vs Actual Product7%

“As advertised”

Ease Of Chewing/Swallowing5%

“The capsules are easy to take”

Dosage4%

“Keeps you regular as long as you take them regularly”

Acid Regulator/Stomach Ache Relief3%

“Great for stomach issues”

What buyers complain about

Functionality-Overall17%

“Didn't work”

Dosage14%

“Dosage information is misleading”

Nutritional Content7%

“Barely any fiber per serving”

Value For Money7%

“NOT WORTH IT”

Regulates Digestion7%

“I had been struggling with digestive issues for a long time”

Advertised Vs Actual Product4%

“Not Accurate to Description”

Acid Regulator/Stomach Ache Relief3%

“Very hard on my stomach”

Ingredients-Overall3%

“Low fiber”

Taste-Overall3%

“have no taste”

Side Effects3%

“i started having episodes of nausea”

Top return reasons

Dosage27%

Functionality-Overall25%

Vitamin9%

Advertised Vs Actual Product7%

Ingredients-Overall5%

Product Condition5%

Side Effects5%

Value For Money5%