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51

melatonin 5mg time release

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 33Growth 34Conversion 97Competition 45Returns 100Price range 75Avg price 68Brand share 17Review moat 23Quality gap 45

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Conversion

Incredible15.3%

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

Price range

Great$6.13–$41.66

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

Avg price

Good$14.11

avg listing price — sweet spot $15–$100

Competition

Okay58%

top-5 click share — leaders hold, buyers still browse

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+7.5%

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

Market size

Okay$158K

$158K/yr · 73K searches

Review moat

Bad7,886.21

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad93%

top-5 brand share — brand-locked demand

Competition

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 rising

Sellers

619

Top-5 brand share

93%

Open market

3%

  • Natrol47%
  • Nature's Bounty26%
  • NOW Foods12%
  • Pure Encapsulations4%
  • Nature Made4%
  • Carlyle4%
  • Open — no brand owns it (1 brand, 3%)

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%$8K10%$16K15%$24K20%$32K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +7.5% search growth over the last 90 days.
3K2KSpike '24Prime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Oct, Nov · busiest ÷ quietest = 1.8×

Reviews

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

What buyers love

Sleep Quality33%

“Helps me sleep”

Quality-Overall10%

“Good consistent quality”

Efficiency8%

“Works well”

Value For Money5%

“Great deal”

Dosage5%

“Perfect dosage option”

Advertised Vs Actual Product4%

“Works as advertised”

Taste-Overall4%

“AS for the benefits, it's very easy to get down, very smooth, doesn't have a taste, and works great”

Ease Of Chewing/Swallowing3%

“as I am not leaving sugar on my teeth at bedtime with a chewable”

Ease Of Use2%

“the bottle is convenient”

Side Effects2%

“This is very beneficial to avoid side effects”

What buyers complain about

Sleep Quality24%

“Didn't help me sleep”

Functionality-Overall13%

“Did not work”

Dosage7%

“got to a point where his 10 mg isn't working”

Vitamin3%

“Beware of High-Dose Vitamin B6”

Side Effects3%

“Can cause side effects”

Ingredients-Overall2%

“No other ingredients as far as I read”

Size-Overall2%

“The capsule is small”

Taste-Overall2%

“Tastes like cough syrup now”

Advertised Vs Actual Product2%

“Didnt work as advertised”

Allergies2%

“Allergic reaction”

Top return reasons

Functionality-Overall25%
Sleep Quality20%
Value For Money15%
Dosage15%
Side Effects10%
Age Suitability10%
Software/Application5%