---
title: "Mary Ruth Nac — $7K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/mary-ruth-nac"
last_updated: "2026-08-12T14:20:31.216Z"
locale: en
meta:
description: "Amazon product research for mary ruth nac: $7K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for mary ruth nac: $7K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Mary Ruth Nac — $7K/mo Amazon US Product Research (2026)"
---
# **Mary Ruth Nac**
**Worth a look**
Shows low returns (0.0%), but a small market ($79K/yr) keeps it on the watch list.
Market size 20Growth 22Conversion 68Competition 37Returns 100Price range 87Avg price 95Brand share 59Review moat 71Quality gap 62
**Returns**
**Incredible****0.0%**
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**
**Good****653.22**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****6.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****70%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****63%**
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**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
## **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 ~~](https://flapen.com/research/methodology)
## **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**
**32**
**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.
9K7KSpike '24Black Friday '24Holiday '24Spike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/health-household/mary-ruth-nac/trend)
## **Top mary ruth nac search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **nac liquid**14K/yr-10.0%5.0% conv. - **nac drops**13K/yr-10.6%3.7% conv. - **liquid nac**9K/yr+14.6%6.0% conv. - **nac liquid supplement**8K/yr-16.7%6.2% conv. - **nac supplement liquid**4K/yr+2.3%6.3% conv. - **liquid nac supplement**3K/yr+3.8%7.1% conv. - **nac drops for cataracts**4K/yr-21.5%0.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/mary-ruth-nac/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.
0%5%$4K10%$8K15%$12K20%$16K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**NAC Supplement N-Acetyl Cysteine 1000mg Fast Absorb Liposomal Nac Drops**WellVeraVida**$9.95**4.6★39 rev](https://www.amazon.com/dp/B0GSD6BGRH) [2**NAC Supplement N-Acetyl Cysteine | High Absorption NAC 1200mg Liquid Drops for Respiratory Liver & Kidney Detox Immune Support & Antioxidants | Vegan | Non-GMO | Gluten Free | Fast-Acting Formula**JINGYAT**$13.98**4.2★62 rev](https://www.amazon.com/dp/B0FYKZ2XQG) [3**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**$21.62**4.5★100 rev](https://www.amazon.com/dp/B0F1CK339R) [4**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**$24.16**4.3★1,071 rev](https://www.amazon.com/dp/B0D75RHTJ8) [5**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**$31.29**4.5★100 rev](https://www.amazon.com/dp/B0FG6WPVM3)
**~~View all top sellers →~~**
### **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**$29.94**2 rev1mo ago](https://www.amazon.com/dp/B0H1WHV2FM) [**NAC Supplement N-Acetyl Cysteine 1000mg Fast Absorb Liposomal Nac Drops**WellVeraVida**$9.95**39 rev4mo ago](https://www.amazon.com/dp/B0GSD6BGRH) [**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**$58.69**35 rev8mo ago](https://www.amazon.com/dp/B0G2ZVMKZB) [**NAC Supplement N-Acetyl Cysteine | High Absorption NAC 1200mg Liquid Drops for Respiratory Liver & Kidney Detox Immune Support & Antioxidants | Vegan | Non-GMO | Gluten Free | Fast-Acting Formula**JINGYAT**$13.98**62 rev8mo ago](https://www.amazon.com/dp/B0FYKZ2XQG) [**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**$31.29**100 rev12mo ago](https://www.amazon.com/dp/B0FG6WPVM3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$29.94**5.0★**▲ 297%**](https://www.amazon.com/dp/B0H1WHV2FM) [**NAC Supplement N-Acetyl Cysteine 1000mg Fast Absorb Liposomal Nac Drops**WellVeraVida**$9.95**4.6★**▲ 294%**](https://www.amazon.com/dp/B0GSD6BGRH) [**Gyumolics NAC Supplement 1000mg for Adults & 500mg for Kids N-Acetyl Cysteine Supplement Gummies Synergistic Antioxidant Vegan Sugar-Free 60 Gummies**Gyumolics**$20.11**4.9★**▲ 121%**](https://www.amazon.com/dp/B0FJFVXS7F) [**NAC Supplement N-Acetyl Cysteine | High Absorption NAC 1200mg Liquid Drops for Respiratory Liver & Kidney Detox Immune Support & Antioxidants | Vegan | Non-GMO | Gluten Free | Fast-Acting Formula**JINGYAT**$13.98**4.2★**▲ 97%**](https://www.amazon.com/dp/B0FYKZ2XQG) [**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**$31.29**4.5★**▲ 64%**](https://www.amazon.com/dp/B0FG6WPVM3)
**~~View all trending →~~**
## **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-Overall**13%
*“tastes like berries”*
**Quality-Overall**10%
*“the quality feels consistent with what I expect from the brand”*
**Flavor**5%
*“I love that there are two yummy flavors”*
**Ease Of Use**5%
*“Easy To Take”*
**Vitamin**4%
*“Good Supplement”*
**Immunity Booster**4%
*“I think it also has helped my immune system”*
**Ingredients-Overall**3%
*“Great ingredients”*
**Efficiency**3%
*“effective”*
**Ease Of Chewing/Swallowing**3%
*“Fairly easy for me to swallow”*
**Nutritional Content**3%
*“Good supplement”*
### **What buyers complain about **
**Smell**22%
*“does smell strongly”*
**Taste-Overall**20%
*“the taste is horrific”*
**Functionality-Overall**5%
*“This product is ineffective”*
**Dosage**3%
*“No dosing info for kids”*
**Flavor**2%
*“I dont taste any kind of berry flavoring like the other two I received”*
**Heart Health**2%
*“It did however give me terrible heart burn”*
**Acid Regulator/Stomach Ache Relief**2%
*“SERVERRRRR stomach pain and vomiting”*
**Side Effects**2%
*“This brand made me throw up”*
**Regulates Digestion**2%
*“Beware Constipation”*
**Ease Of Chewing/Swallowing**2%
*“I struggle swallowing sometimes though”*
### **Top return reasons **
**Functionality-Overall**33%
**Taste-Overall**17%
**Value For Money**17%
**Advertised Vs Actual Product**17%
**Smell**17%
## **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.
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