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50

spm

Worth a look

Shows low returns (0.0%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size 56Growth 39Conversion 80Competition 10Returns 100Price range 82Avg price 89Brand share 0Review moat 83Quality gap 35

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Avg price

Great$61.13

avg listing price — sweet spot $15–$100

Review moat

Great332.22

avg incumbent reviews — the moat a new listing must climb

Price range

Great$19.31–$115.50

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

Conversion

Great8.3%

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

Market size

Good$415K

$415K/yr · 82K searches

Growth

Okay+11.0%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Bad88%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 flat

Sellers

11

Top-5 brand share

100%

Open market

0%

  • Metagenics74%
  • Designs for Health13%
  • Life Extension9%
  • Double Wood Supplements2%
  • Zdoroviye2%

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%10%$41K20%$83K30%$124K40%$166K1001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 99 weeks — +11.0% search growth over the last 90 days.
2K2KPrime Day '24Spike '24Spike '25Prime Day '25Spike '26DecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

Reviews

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

What buyers love

Inflammation25%

“helps well with inflammation in the entire body”

Joint Pain19%

“This product helped me with my inflammation of my knee”

Quality-Overall11%

“Great Product”

Advertised Vs Actual Product10%

“As advertised”

Value For Money6%

“still dramatically cheaper”

Locally Manufactured5%

“Double Wood shows their products are made in USA”

Side Effects5%

“Product works well with no side effects”

Weight Loss5%

“Im in good health”

Strength3%

“very effective product”

Vitamin1%

“They even smell good for a vitamin”

What buyers complain about

Side Effects14%

“then the benefit seemed to be not noticeable”

Durability9%

“Kid breaks easily”

Ingredients-Overall9%

“No magic pill”

Allergies9%

“I saw no meaningful improvement in my atopic dermatitis”

Value For Money8%

“more expensive SPM products”

Dosage5%

“If you take double the dose, it's basically equal to Metagenics”

Stress/Anxiety5%

“I tired this”

Shape/Style5%

“the hardest shape”

Ease Of Chewing/Swallowing5%

“Capsule shape is difficult to swallow”

Functionality-Overall5%

“Doesnt work”

Top return reasons

Leak-Proof25%
Ease Of Use25%
Vitamin25%
Stuck/Fused Together13%
Smell13%