Is nac gummies profitable to sell on Amazon United States?

The niche generates $179K/yr across 25 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -12.6%. Flapen's verdict: Worth a look (58/100).

How competitive is the nac gummies niche?

20 brands and 24 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 67% of demand.

What do buyers complain about in nac gummies?

Top complaints mined from reviews: Taste-Overall, Flavor, Dosage. The return rate is 0.0%.

When does demand for nac gummies peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the nac gummies niche?

Listings span $9.14–$28.82; the average listing price is $19.47 (sweet spot $15–$100). The average incumbent carries 126 reviews — the moat a new listing must climb.

Nac Gummies

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Review moat

Great126.08

avg incumbent reviews — the moat a new listing must climb

Conversion

Great11.5%

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

Avg price

Great$19.47

avg listing price — sweet spot $15–$100

Price range

Good$9.14–$28.82

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

Brand share

Good67%

top-5 brand share — brands hold most of the demand

Competition

Good55%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$179K

$179K/yr · 80K searches

Growth

Bad-12.6%

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

Signals No Dominant Brand Low Review Barrier

Is nac gummies profitable on Amazon?

According to Flapen's Amazon United States niche tracking, nac gummies is a $179K/yr Amazon United States market (80K searches/yr). The top 5 brands hold 67% of demand. Verdict: Worth a look — 58/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

nac gummies market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 8K–10K; avg 250–500/product
Revenue / yr: $156K–$195K; units × avg price
Conversion rate: 11.5%
Avg BSR: #257
Page quality: 0%
Prime: 100%
Sponsored: 96%
Out of stock: 6.9%
Avg brand age: 43 months
Avg seller age: 175 days

Competition: brands, sellers & click share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

20 rising

Sellers

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

55%

Top 20: 96%

Open market

30%

Etta Vita17%
Mchokuu15%
Gyumolics14%
GlaGmrry12%
MEENCCD8%
Warmbioder4%

nac gummies demand & seasonality

Weekly Amazon search volume, last 100 weeks — -12.6% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top nac gummies search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

nac gummies50K/yr -15.9%8.9% conv.
nac gummies for adults6K/yr +15.8%10.6% conv.
nac supplement gummies8K/yr -23.4%9.9% conv.
nac gummies for kids7K/yr -16.7%8.0% conv.
nac gummy5K/yr -8.1%8.5% conv.
nac lozenges4K/yr +85.3%1.7% conv.

All search terms

Top nac gummies products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Mchokuu NAC Gummies for Adults & Kids 1000mg Per Serving NAC Supplement N-Acetyl Cysteine for Immune Glutathione & Antioxidant Support Sugar-Free Vegan Strawberry Flavor 60 Count

Mchokuu$11.304.6★172 rev

Gyumolics NAC Supplement 1000mg for Adults & 500mg for Kids N-Acetyl Cysteine Supplement Gummies Synergistic Antioxidant Vegan Sugar-Free 60 Gummies

Gyumolics$20.114.9★162 rev

GlaGmrry Sugar Free NAC Gummies for Kids & Adults NAC Supplement N Acetyl Cysteine with Selenium Zinc Vitamin C & E NAC 600mg Per Gummy Support Liver Health Antioxidant Immune System 60 Count

GlaGmrry$15.444.6★119 rev

Sugar-Free NAC Gummies (Immune Support Complex) N-Acetyl Cysteine Vitamin C & Zinc - Supports Respiratory Health Liver Detox & Cleanse Kidney Function NAC Supplement for Kids and Adults - Vegan

Etta Vita$27.034.2★225 rev

Sugar-Free NAC Gummies N Acetyl Cysteine Supplement with Milk Thistle Glutathione Trikatu & Selenium Supplement for Energy Respiratory Health Liver Detox & Cleanse Kidney Antioxidant Support

Etta Vita$28.824.2★225 rev

Newest

by launch date

AAGUMMM NAC Gummies 1200mg for Adults Support Immune Support Liver & Lung Health Sugar-Free Strawberry Flavor 60 Counts

AAGUMMM$10.0026 rev

4mo ago

GREABBY Glynac Gummies Glycine & N-Acetyl Cysteine Supplement for Adults with Quercetin Vitamin C & Zinc Liver & Cellular Support Glutathione Production 60 Count

GREABBY$19.7034 rev

6mo ago

NAC Gummies for Adults & Kids 1200mg NAC Supplement N-Acetyl Cysteine Immune Support NAC Chewable Support Liver Health Sugar-Free Green Apple Flavor

Warmbioder$9.7057 rev

8mo ago

GlaGmrry 2 Pack N-Acetyl Cysteine Gummies for Kids & Adults N-Acetyl Cysteine Supplement with Selenium Zinc Vitamin C & E for Liver Health Antioxidant Immune System 120 Count Sugar Free

GlaGmrry$24.98119 rev

11mo ago

Gyumolics 2Pcs NAC Supplement 1000mg for Adults & 500mg for Kids Nac Supplement N-Acetyl Cysteine Gummies Antioxidant Support Vegan Non-GMO Sugar-Free 120 Gummies

Gyumolics$28.69162 rev

1y ago

What reviews say buyers love and hate about nac gummies

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

What buyers love

Taste-Overall26%

“Best taste”

Flavor7%

“The flavor and texture is great”

Vitamin5%

“These were the best tasting vitamins”

Nutritional Content4%

“This supplement is a great value”

Quality-Overall4%

“The overall quality feels consistent”

Immunity Booster4%

“Definitely recommend for immune support”

Ease Of Chewing/Swallowing4%

“These are chewy, sweet”

Ease Of Use3%

“Quick and easy”

Ingredients-Overall3%

“The ingredient combination is also quite interesting”

Texture/Consistency-Overall3%

“The texture is really nice”

What buyers complain about

Taste-Overall12%

“Taste artificial”

Flavor5%

“it does have an artificial strawberry flavor”

Dosage4%

“500mg is actually a low dose for a child”

Smell4%

“there is a slight underlying smell when you open the bag”

Functionality-Overall2%

“dont work”

Ease Of Chewing/Swallowing2%

“I couldnt even finish chewing it”

Texture/Consistency-Overall2%

“The texture and size is average”

Adhesion/Stickiness2%

“while these are stickier than other gummies I've tried”

Quality-Overall1%

“These were not the greatest”

Sweetness1%

“not overly sweet”

Top return reasons

Vitamin67%

Acid Regulator/Stomach Ache Relief33%

Common nac gummies questions

Is nac gummies profitable to sell on Amazon United States?: The niche generates $179K/yr across 25 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -12.6%. Flapen's verdict: Worth a look (58/100).
How competitive is the nac gummies niche?: 20 brands and 24 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 67% of demand.
What do buyers complain about in nac gummies?: Top complaints mined from reviews: Taste-Overall, Flavor, Dosage. The return rate is 0.0%.
When does demand for nac gummies peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the nac gummies niche?: Listings span $9.14–$28.82; the average listing price is $19.47 (sweet spot $15–$100). The average incumbent carries 126 reviews — the moat a new listing must climb.