Skip to content
53

l citrulline powder

Worth a look

Shows low returns (0.0%), but brand-locked demand (top 5 brands take 93% of clicks) keeps it on the watch list.

Market size 74Growth 22Conversion 96Competition 25Returns 100Price range 93Avg price 90Brand share 16Review moat 38Quality gap 32

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Conversion

Incredible13.5%

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

Price range

Great$14.61–$33.31

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

Avg price

Great$20.98

avg listing price — sweet spot $15–$100

Market size

Good$817K

$817K/yr · 289K searches

Review moat

Okay2,697.44

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad71%

top-5 click share — a locked-up shelf

Growth

Bad-5.8%

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

Brand share

Bad93%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 rising

Sellers

21

Top-5 brand share

93%

Open market

4%

  • Nutricost37%
  • BulkSupplements34%
  • Kaged14%
  • Type Zero4%
  • Bucked Up4%
  • NOW Foods3%
  • Open — no brand owns it (3 brands, 4%)

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%5%$41K10%$82K15%$122K20%$163K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 101 weeks — -5.8% search growth over the last 90 days.
7K5KPrime Day '24Spike '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May · busiest ÷ quietest = 2.0×

Reviews

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

What buyers love

Quality-Overall22%

“Great value and my go to for bulk powders”

Value For Money10%

“Fair price”

Blood Pressure6%

“Helps with blood pressure”

Taste-Overall6%

“Taste good”

Solubility5%

“Dissolves easily in liquids”

Efficiency5%

“Effective”

Vitamin5%

“Decent supplements”

Advertised Vs Actual Product4%

“this product works as advertised”

Energy Level3%

“It keeps my energy up during training”

Ingredients-Overall2%

“No extra unwanted ingredients”

What buyers complain about

Taste-Overall18%

“The taste was extremely bitter”

Functionality-Overall8%

“Absolutely no results”

Value For Money6%

“cheaper”

Quality-Overall5%

“They do have quality control problems though”

Flavor5%

“It's not actually a flavor”

Dosage4%

“could not tell any difference in blood flow even at 3 doses a day”

Advertised Vs Actual Product3%

“DOES NOT DO WHAT ADVERTISED”

Size-Overall3%

“I think they could make the spoon smaller”

Bitter3%

“it is bitter”

Side Effects3%

“Strong effects”

Top return reasons

Certifications25%
Advertised Vs Actual Product25%
Leak-Proof25%
Size-Overall25%