Skip to content
39

guaifenesin kids

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 31Growth 7Conversion 91Competition 18Returns 100Price range 58Avg price 65Brand share 0Review moat 64Quality gap 23

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Conversion

Great10.9%

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

Avg price

Good$13.78

avg listing price — sweet spot $15–$100

Review moat

Good953.64

avg incumbent reviews — the moat a new listing must climb

Price range

Good$9.02–$23.12

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

Market size

Okay$142K

$142K/yr · 95K searches

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad78%

top-5 click share — a locked-up shelf

Growth

Bad-35.7%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.

Brands

2 falling

Sellers

29

Top-5 brand share

100%

Open market

0%

  • Genexa87%
  • Mucinex13%
  • 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%10%$14K20%$28K30%$43K40%$57K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 27 weeks — -35.7% search growth over the last 90 days.
3K2KJan '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26

Reviews

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

What buyers love

Cough Relief15%

“Works well on coughs”

Taste-Overall9%

“Great Taste”

Efficiency8%

“Worked well”

Ingredients-Overall7%

“Great ingredients”

Ease Of Use7%

“Easy to use”

Cold Relief7%

“These work great for colds”

Quality-Overall5%

“Good pure products”

Flavor3%

“Great flavor and product”

Cleansing2%

“Love that the ingredients are clean”

Ease Of Cleaning2%

“I literally switched to clean products and this is by far the cleanest for flu and cold”

What buyers complain about

Taste-Overall31%

“Different taste”

Flavor5%

“Bitter unpleasant flavor”

Cough Relief4%

“I also didn't feel like it really helped my cough symptoms or helped me sleep”

Value For Money4%

“Cost twice as much”

Dosage4%

“I dislike needing to use medication”

Functionality-Overall3%

“Didn't help me at all”

Age Suitability3%

“didnt realize I cant use it till they are 4-6 years old”

Color2%

“The previous batches have been lighter in color and more fluid”

Artificial Sweeteners2%

“artificial sweeteners or preservatives in this too”

Texture/Consistency-Overall2%

“The texture is a little powdery”