Nac for Kids
Skip itSoft demand (-28.3% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Great10.4%search→purchase rate — share of searches ending in a sale
Review moat
Great308.91avg incumbent reviews — the moat a new listing must climb
Avg price
Great$19.04avg listing price — sweet spot $15–$100
Price range
Good$9.97–$28.69cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Market size
Okay$115K$115K/yr · 58K searches
Competition
Bad82%top-5 click share — a locked-up shelf
Growth
Bad-28.3%90-day search growth — must beat 0% to launch
Is nac for kids profitable on Amazon?
According to Flapen's Amazon United States niche tracking, nac for kids is a $115K/yr Amazon United States market (58K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 47/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
nac for kids market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 4K–5K
- avg 250–500/product
- Revenue / yr
- $76K–$95K
- units × avg price
- Conversion rate
- 10.4%
- Avg BSR
- #101
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 3.0%
- Avg brand age
- 54 months
- Avg seller age
- 167 days
Competition: brands, sellers & click share
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 rising
Sellers
13
Top-5 brand share
85%
Top 20: 100%
Top-5 click share
82%
Top 20: 100%
Open market
12%
- MARYRUTH'S42%
- Gyumolics22%
- Geeoasis8%
- Etta Vita8%
- CFILIHTC4%
- Mchokuu4%
- Open — no brand owns it (4 brands, 12%)
nac for kids demand & seasonality
Weekly Amazon search volume, last 34 weeks — -28.3% search growth over the last 90 days.Top nac for kids search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- nac for kids23K/yr
- mary ruth nac7K/yr
- nac kids8K/yr
- nac supplement for kids7K/yr
- mary ruths nac3K/yr
- nac mary ruth3K/yr
- kids nac4K/yr
- nac supplement kids3K/yr
Top nac for kids 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.
All 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
MARYRUTHS N-Acetyl Cysteine Capsules | 1000mg NAC N-Acetyl Cysteine Supplement | Glutathione Precursor | Amino Acid | Cellular Health | Vegan | Non-GMO | Gluten Free | 120 Count | 60 Servings
MARYRUTH'S$17.964.3★1,460 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

Geeoasis Liposomal Liquid NAC Supplement N-Acetyl Cysteine Drops N Acetyl Cysteine 600 mg with Quercetin & Zinc for Adults & Kids Liver & Lung Support Antioxidant Immune & Skin Health 2 Fl Oz
Geeoasis$22.914.2★172 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

Liposomal Liquid NAC Supplement N-Acetyl Cysteine Drops N Acetyl Cysteine 600mg with Glutathione Resveratrol & Zinc for Adults & Kids Liver Lung Antioxidant Immune & Skin Health Strawberry 2 Fl Oz
CFILIHTC$21.624.5★100 rev
Newest
by launch date
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

Gyumolics NAC Supplement 1000mg for Adults & 500mg for Kids N-Acetyl Cysteine Supplement Gummies Synergistic Antioxidant Vegan Sugar-Free 60 Gummies
Gyumolics$20.11162 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$15.44119 rev

Daiasns NAC Gummies for Adults & Kids 1000mg - Chewable NAC Supplement N-Acetyl Cysteine Supports Lung & Liver Detox Antioxidant & Immune Defense Strawberry Flavor 60 Count
Daiasns$9.9746 rev

Liposomal Liquid NAC Supplement N-Acetyl Cysteine Drops N Acetyl Cysteine 600mg with Glutathione Resveratrol & Zinc for Adults & Kids Liver Lung Antioxidant Immune & Skin Health Strawberry 2 Fl Oz
CFILIHTC$21.62100 rev
Trending
90-day click momentum
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★

Daiasns NAC Gummies for Adults & Kids 1000mg - Chewable NAC Supplement N-Acetyl Cysteine Supports Lung & Liver Detox Antioxidant & Immune Defense Strawberry Flavor 60 Count
Daiasns$9.974.2★

Liposomal Liquid NAC Supplement N-Acetyl Cysteine Drops N Acetyl Cysteine 600mg with Glutathione Resveratrol & Zinc for Adults & Kids Liver Lung Antioxidant Immune & Skin Health Strawberry 2 Fl Oz
CFILIHTC$21.624.5★

MARYRUTHS N-Acetyl Cysteine Capsules | 1000mg NAC N-Acetyl Cysteine Supplement | Glutathione Precursor | Amino Acid | Cellular Health | Vegan | Non-GMO | Gluten Free | 120 Count | 60 Servings
MARYRUTH'S$17.964.3★

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★
What reviews say buyers love and hate about nac for kids
What buyers praise and complain about, mined from review topics.What buyers love
“These gummies taste good”
“The flavor and texture is great”
“Excellent Product”
“Definitely recommend for immune support”
“effective”
“Fairly easy for me to swallow”
“These were the best tasting vitamins”
“This supplement is a great value”
“I can focus now”
“Clean ingredients & good taste”
What buyers complain about
“Smells awful”
“now they taste entirely different”
“dont work”
“The apple shapes are dry with reduced flavor”
“500mg is actually a low dose for a child”
“I struggle swallowing sometimes though”
“Unfortunately this has an ingredient phosphatidylcholine”
“These were not the greatest”
“Trying a pill form upset my stomach so I had to resort to gummies”
“The texture was really bad”
Top return reasons
Common nac for kids questions
- Is nac for kids profitable to sell on Amazon United States?
- The niche generates $115K/yr across 11 tracked products. 90-day search growth is -28.3%. Flapen's verdict: Skip it (47/100).
- How competitive is the nac for kids niche?
- 10 brands and 13 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 85% of demand.
- What do buyers complain about in nac for kids?
- Top complaints mined from reviews: Smell, Taste-Overall, Functionality-Overall. The return rate is 0.0%.
- What does it cost to enter the nac for kids niche?
- Listings span $9.97–$28.69; the average listing price is $19.04 (sweet spot $15–$100). The average incumbent carries 309 reviews — the moat a new listing must climb.