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50

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.

Market size 47Growth 40Conversion 96Competition 15Returns 100Price range 66Avg price 81Brand share 8Review moat 76Quality gap 38

Returns

Incredible0.0%

return rate — above 6% 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

Competition

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

Brands

6 falling

Sellers

8

Top-5 brand share

97%

Open market

0%

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

Product shelf

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

0%15%$38K30%$75K45%$113K60%$151K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

Demand & seasonality

Weekly Amazon search volume, last 100 weeks — +11.6% search growth over the last 90 days.
5K4KSpike '25Black Friday '25Spike '26DecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Reviews

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”