Is mary ruth nac profitable to sell on Amazon United States?

The niche generates $79K/yr across 18 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is -6.7%. Flapen's verdict: Worth a look (53/100).

How competitive is the mary ruth nac niche?

17 brands and 32 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 70% of demand.

What do buyers complain about in mary ruth nac?

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

When does demand for mary ruth nac peak?

Demand is steady year-round — the busiest month runs 1.9× the quietest.

What does it cost to enter the mary ruth nac niche?

Listings span $9.95–$58.69; the average listing price is $23.28 (sweet spot $15–$100). The average incumbent carries 653 reviews — the moat a new listing must climb.

Mary Ruth Nac

Worth a look

Shows low returns (0.0%), but a small market ($79K/yr) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$23.28

avg listing price — sweet spot $15–$100

Price range

Great$9.95–$58.69

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

Review moat

Good653.22

avg incumbent reviews — the moat a new listing must climb

Conversion

Good6.1%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Good70%

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

Competition

Okay63%

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

Growth

Bad-6.7%

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

Market size

Bad$79K

$79K/yr · 55K searches

Signals Low Review Barrier

Is mary ruth nac profitable on Amazon?

According to Flapen's Amazon United States niche tracking, mary ruth nac is a $79K/yr Amazon United States market (55K searches/yr). The top 5 brands hold 70% of demand. Verdict: Worth a look — 53/100.

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

mary ruth nac market size & sales

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

Units sold / yr: 3K–3K; avg 100–250/product
Revenue / yr: $58K–$70K; units × avg price
Conversion rate: 6.1%
Avg BSR: #1,318
Page quality: 0%
Prime: 94%
Sponsored: 94%
Out of stock: 8.1%
Avg brand age: 55 months
Avg seller age: 182 days

Competition: brands, sellers & click share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

24%

CFILIHTC22%
WellVeraVida19%
JINGYAT15%
Clean Nutraceuticals8%
Hywebvctok7%
NATISLAND6%

mary ruth nac demand & seasonality

Weekly Amazon search volume, last 104 weeks — -6.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.9×

Open Trend

Top mary ruth nac search terms shoppers use

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

nac liquid14K/yr -10.0%5.0% conv.
nac drops13K/yr -10.6%3.7% conv.
liquid nac9K/yr +14.6%6.0% conv.
nac liquid supplement8K/yr -16.7%6.2% conv.
nac supplement liquid4K/yr +2.3%6.3% conv.
liquid nac supplement3K/yr +3.8%7.1% conv.
nac drops for cataracts4K/yr -21.5%0.6% conv.

All search terms

Top mary ruth nac 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 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NAC Supplement N-Acetyl Cysteine 1000mg Fast Absorb Liposomal Nac Drops

WellVeraVida$9.954.6★39 rev

JINGYAT$13.984.2★62 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

Clean Nutraceuticals Milk Thistle NAC Liver Cleanse Detox & Repair Supplement Liver Support Liquid Drops with Dandelion Extract Artichoke Chanca Piedra Choline L-Glutathione Burdock Schisandra

Clean Nutraceuticals$24.164.3★1,071 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 4 Fl Oz

CFILIHTC$31.294.5★100 rev

Newest

by launch date

ANYTALK Liposomal NAC Drops N-Acetyl Cysteine 1000mg Liquid Supplement with Alpha Lipoic Acid Quercetin & Zinc Antioxidant Immune Liver & Lung Support Sugar-Free Adults & Kids

ANYTALK$29.942 rev

1mo ago

NAC Supplement N-Acetyl Cysteine 1000mg Fast Absorb Liposomal Nac Drops

WellVeraVida$9.9539 rev

4mo ago

Global Healing Pure Liquid Microsomal NAC Supplement N-Acetyl-Cysteine 650mg for Glutathione Production Liver Support & Detox Antioxidant & Immunity NAC 600mg Alternative Liquid Drops (3.4 Oz)

Global Healing Center$58.6935 rev

8mo ago

JINGYAT$13.9862 rev

8mo ago

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 4 Fl Oz

CFILIHTC$31.29100 rev

12mo ago

What reviews say buyers love and hate about mary ruth nac

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

What buyers love

Taste-Overall13%

“tastes like berries”

Quality-Overall10%

“the quality feels consistent with what I expect from the brand”

Flavor5%

“I love that there are two yummy flavors”

Ease Of Use5%

“Easy To Take”

Vitamin4%

“Good Supplement”

Immunity Booster4%

“I think it also has helped my immune system”

Ingredients-Overall3%

“Great ingredients”

Efficiency3%

“effective”

Ease Of Chewing/Swallowing3%

“Fairly easy for me to swallow”

Nutritional Content3%

“Good supplement”

What buyers complain about

Smell22%

“does smell strongly”

Taste-Overall20%

“the taste is horrific”

Functionality-Overall5%

“This product is ineffective”

Dosage3%

“No dosing info for kids”

Flavor2%

“I dont taste any kind of berry flavoring like the other two I received”

Heart Health2%

“It did however give me terrible heart burn”

Acid Regulator/Stomach Ache Relief2%

“SERVERRRRR stomach pain and vomiting”

Side Effects2%

“This brand made me throw up”

Regulates Digestion2%

“Beware Constipation”

Ease Of Chewing/Swallowing2%

“I struggle swallowing sometimes though”

Top return reasons

Functionality-Overall33%

Taste-Overall17%

Value For Money17%

Advertised Vs Actual Product17%

Smell17%

Common mary ruth nac questions

Is mary ruth nac profitable to sell on Amazon United States?: The niche generates $79K/yr across 18 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is -6.7%. Flapen's verdict: Worth a look (53/100).
How competitive is the mary ruth nac niche?: 17 brands and 32 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 70% of demand.
What do buyers complain about in mary ruth nac?: Top complaints mined from reviews: Smell, Taste-Overall, Functionality-Overall. The return rate is 0.0%.
When does demand for mary ruth nac peak?: Demand is steady year-round — the busiest month runs 1.9× the quietest.
What does it cost to enter the mary ruth nac niche?: Listings span $9.95–$58.69; the average listing price is $23.28 (sweet spot $15–$100). The average incumbent carries 653 reviews — the moat a new listing must climb.