Is agmatine profitable to sell on Amazon United States?

The niche generates $251K/yr across 10 tracked products. 90-day search growth is +11.6%. Flapen's verdict: Worth a look (50/100).

How competitive is the agmatine niche?

6 brands and 8 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 97% of demand.

What do buyers complain about in agmatine?

Top complaints mined from reviews: Pain Relief-Overall, Stress/Anxiety, Quality-Overall. The return rate is 0.0%.

When does demand for agmatine peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the agmatine niche?

Listings span $8.74–$27.02; the average listing price is $17.22 (sweet spot $15–$100). The average incumbent carries 485 reviews — the moat a new listing must climb.

agmatine

Worth a look

Shows low returns (0.0%), but brand-locked demand (top 5 brands take 97% of clicks) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible13.5%

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

Avg price

Great$17.22

avg listing price — sweet spot $15–$100

Review moat

Great484.9

avg incumbent reviews — the moat a new listing must climb

Price range

Good$8.74–$27.02

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

Market size

Okay$251K

$251K/yr · 108K searches

Growth

Okay+11.6%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Bad83%

top-5 click share — a locked-up shelf

Brand share

Bad97%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, agmatine is a $251K/yr Amazon United States market (108K searches/yr). The top 5 brands hold 97% of demand. Verdict: Worth a look — 50/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

agmatine market data

Units sold / yr: 15K–20K; avg 1,250–1,500/product
Revenue / yr: $258K–$344K; units × avg price
Conversion rate: 13.5%
Avg BSR: #3,092
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 72 months
Avg seller age: 164 days

Competition & brand share

The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 falling

Sellers

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

83%

Top 20: 100%

Open market

Nutricost56%
BulkSupplements19%
Horbäach13%
Nootropics Depot6%
Vitamatic3%
Earthborn Elements3%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 100 weeks — +11.6% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top agmatine search terms

agmatine sulfate56K/yr +24.0%15.3% conv.
agmatine44K/yr -2.0%11.9% conv.
agmatine sulfate capsules4K/yr +9.6%15.8% conv.
agatine2K/yr +214.9%0.4% conv.
agmatine supplement2K/yr -48.4%10.5% conv.

All search terms

Top agmatine 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 10 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Nutricost Agmatine Sulfate 1000mg 120 Capsules - Gluten Free Non GMO 500mg Per Capsule

Nutricost$13.964.4★1,452 rev

Horbach Agmatine Sulfate Capsules 1500mg | 60 Pills | Pharmaceutical Grade | Non-GMO Gluten Free Supplement

Horbäach$8.744.4★382 rev

BulkSupplements.com Agmatine Sulfate Powder - Nitric Oxide Supplement Pre Workout Powder - Unflavored & Gluten Free 1g per Serving 250g (8.8 oz) (Pack of 1)

BulkSupplements$17.414.5★1,157 rev

Nutricost Pure Agmatine Sulfate Powder - 250 Grams

Nutricost$21.814.5★812 rev

BulkSupplements.com Agmatine Sulfate Capsules - Nitric Oxide Supplement Agmatine Supplement - Gluten Free 2 Capsules per Serving 180 Count (Pack of 1)

BulkSupplements$16.794.4★116 rev

Newest

by launch date

BulkSupplements.com Agmatine Sulfate Capsules - Agmatine Sulfate Nitric Oxide Supplement - Gluten Free 2 Capsules per Serving 360 Count (Pack of 1)

BulkSupplements$20.5317 rev

1y ago

Vitamatic Agmatine Sulfate 1500mg Per Serving - 180 Veg Capsules - Made in the USA - Non-GMO & Gluten Free

Vitamatic$14.8238 rev

1y ago

Earthborn Elements Agmatine Sulfate 200 Capsules Pure & Undiluted No Additives

Earthborn Elements$15.0614 rev

2y ago

BulkSupplements.com Agmatine Sulfate Capsules - Nitric Oxide Supplement Agmatine Supplement - Gluten Free 2 Capsules per Serving 180 Count (Pack of 1)

BulkSupplements$16.79116 rev

3y ago

Horbach Agmatine Sulfate Capsules 1500mg | 60 Pills | Pharmaceutical Grade | Non-GMO Gluten Free Supplement

Horbäach$8.74382 rev

6y ago

What buyers say about agmatine

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

What buyers love

Quality-Overall19%

“High Quality Supplement”

Value For Money13%

“Good deal”

Strength5%

“Effective”

Nutritional Content5%

“Nutricost supplements 👍 Nutricost is my now go to products for supplements great prices and quality”

Advertised Vs Actual Product5%

“Even better than expected”

Efficiency4%

“Perfect and seems to be effective”

Compatibility-Overall4%

“Check Compatibility”

Temperature Retention4%

“The hydration components renders Agmatine Sulfate even more appealing in the warmer months”

Hormonal Balance4%

“These work really well for reducing cravings and even hangovers”

Acid Regulator/Stomach Ache Relief4%

“Im still working on figuring out a serving size that doesn't upset my stomach”

What buyers complain about

Pain Relief-Overall14%

“no help with my pain levels”

Stress/Anxiety12%

“Gave me severe anxiety”

Quality-Overall8%

“Not as potent as my other brand”

Dosage8%

“it wasn't like I need to keep taking this at all costs”

Taste-Overall7%

“Prepare yourself for the terrible taste though ha”

Ingredients-Overall7%

“Nothing to say about the quality of the product just the ingredient”

Bitter7%

“Incredibly bitter”

Smell5%

“I believe Agmatine normally has an odor of some kind”

Common questions

Is agmatine profitable to sell on Amazon United States?: The niche generates $251K/yr across 10 tracked products. 90-day search growth is +11.6%. Flapen's verdict: Worth a look (50/100).
How competitive is the agmatine niche?: 6 brands and 8 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 97% of demand.
What do buyers complain about in agmatine?: Top complaints mined from reviews: Pain Relief-Overall, Stress/Anxiety, Quality-Overall. The return rate is 0.0%.
When does demand for agmatine peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the agmatine niche?: Listings span $8.74–$27.02; the average listing price is $17.22 (sweet spot $15–$100). The average incumbent carries 485 reviews — the moat a new listing must climb.