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igf-1

Skip it38/100

a concentrated shelf (top 5 take 100% of clicks) — igf-1 doesn't clear our bar today.

Market/yr

$355K

Growth (1y)

+57.9%

Products

4

Brands

1

was 9 a year ago

Sellers

25

Price range

$43.13–$117.95

Returns

0.0%

Rating

4.2★

38/100

Skip it

Scored 38/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
18
×0.30
Growth
52
×0.30
Competition
0
×0.20
Quality gap
74
×0.10
Returns
100
×0.10

Demand

Weekly Amazon search volume, last 102 weeks — +57.9% year over year.
2K1KSpike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Jan, Feb, Jul, Aug · busiest ÷ quietest = 2.0×

Competition

100%Novex Biotech
  • Novex Biotech100%

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack. 1 brands and 25 sellers compete here.

Brands

1 falling

was 9 a year ago

Sellers

25

Top 5 brand share

100%

Product shelf

Reviews

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

What buyers love

Energy Level9%

“It works great makes me feel full of energy”

Quality-Overall8%

“High quality product”

Efficiency8%

“Works great”

Focus Enhancement7%

“Great stack, better sleep, focus and strength”

Sleep Quality5%

“Great stack, better sleep, focus and strength”

Dosage5%

“Four capsules daily are recommended”

Nutritional Content4%

“Seems like a quality product with solid ingredients and nutrients”

Ease Of Use4%

“easy on the body”

Side Effects3%

“Ive had 0 upset stomach or ill effects”

Ingredients-Overall3%

“These two bottles have some interesting ingredients”

What buyers complain about

Value For Money16%

“very expensive”

Functionality-Overall7%

“Doesn't work”

Visibility5%

“I do not see nor feel any changes”

Certifications5%

“DoD certified”

Energy Level4%

“No boost in energy”

Dosage3%

“Too many pills”

Taste-Overall3%

“leave a weird taste”

Sleep Quality2%

“no change in sleep”

Size-Overall2%

“or maybe a bit large”

Quality-Overall2%

“Don't judge by Only low reviews”

Data scraped July 8, 2026 · Marketplace baseline: 4.4★ avg rating · $22.66 median price · 2.2% median returns across 14,418 tracked niches.