---
title: "Nac with Milk Thistle — $9K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/nac-with-milk-thistle"
last_updated: "2026-08-12T10:26:28.410Z"
locale: en
meta:
description: "Amazon product research for nac with milk thistle: $9K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for nac with milk thistle: $9K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Nac with Milk Thistle — $9K/mo Amazon US Product Research"
---
# **Nac with Milk Thistle**
**Worth a look**
Shows demand growing +305.6% this quarter, but a concentrated shelf (top 5 take 80% of clicks) keeps it on the watch list.
Market size 27Growth 100Conversion 83Competition 17Returns 100Price range 86Avg price 95Brand share 29Review moat 25Quality gap 24
**Growth**
**Incredible****+305.6%**
90-day search growth — must beat 0% to launch
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$26.13**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.90–$52.86**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****9.1%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****88%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$112K**
$112K/yr · 47K searches
**Review moat**
**Bad****4,867.15**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")
## **Is nac with milk thistle profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, nac with milk thistle is a $112K/yr Amazon United States market (47K searches/yr). The top 5 brands hold 88% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **nac with milk thistle 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**
- **$105K–$131K**
- units × avg price
- **Conversion rate**
- **9.1%**
- **Avg BSR**
- **#84**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **4.6%**
- **Avg brand age**
- **65 months**
- **Avg seller age**
- **161 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▲rising
**Sellers**
**18**
**Top-5 brand share**
**88%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**9%**
- Dr. Mercola32% - Clean Nutraceuticals23% - Natures Craft18% - Vitamatic11% - Bronson3% - Zazzee3% - Open — no brand owns it (4 brands, 9%)
## **nac with milk thistle demand & seasonality**
Weekly Amazon search volume, last 29 weeks — +305.6% search growth over the last 90 days.
4K3KSpike '26Prime Day '26Jan '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/health-household/nac-with-milk-thistle/trend)
## **Top nac with milk thistle search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **milk thistle with nac**13K/yr>1,000%5.6% conv. - **milk thistle nac choline**4K/yr>1,000%3.0% conv. - **nac with milk thistle**10K/yr+67.9%10.0% conv. - **milk thistle nac**6K/yr+256.8%5.9% conv. - **dr mercola nac with milk thistle**4K/yr+119.1%16.0% conv. - **nac milk thistle supplement**4K/yr+13.1%7.8% conv. - **nac milk thistle**4K/yr+25.6%7.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/nac-with-milk-thistle/search-terms)
## **Top nac with milk thistle 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%10%$11K20%$22K30%$34K40%$45K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Dr. Mercola NAC with Milk Thistle - with Antioxidants - Supports Normal Detoxification Processes - 500 mg N-Acetyl-Cysteine per Serving - Non-GMO Gluten-Free & Soy Free - 60 Capsules (30 Servings)**Dr. Mercola**$19.49**4.7★687 rev](https://www.amazon.com/dp/B01L9PF06S) [2**Clean Nutraceuticals Milk Thistle NAC Chanca Piedra Beet Root Artichoke Astragalus Dandelion Root - Liver Cleanse Detox & Repair Supplement Plus TUDCA Choline & Ginger - 1Pack**Clean Nutraceuticals**$26.20**4.6★4,628 rev](https://www.amazon.com/dp/B0BG7M59NJ) [3**Liver Support NAC Supplement with Milk Thistle for Liver Cleanse Detox & Repair - N Acetyl Cysteine Supplement for Liver Cleanse with Turmeric Choline Dandelion & L-Glutathione - 60 Count**Natures Craft**$21.27**4.6★1,266 rev](https://www.amazon.com/dp/B0BM9HJQPJ) [4**Vitamatic NAC Supplement N-Acetyl-L-Cysteine (NAC) with Milk Thistle 50:1 Extract - Supports Immune Respiratory Liver Health 1200 mg per Serving 120 Veg Capsules**Vitamatic**$14.40**4.6★199 rev](https://www.amazon.com/dp/B0DB19MQR9) [5**Bronson Milk Thistle Silymarin Marianum & Dandelion Extract 120 Capsules**Bronson**$9.90**4.7★40,242 rev](https://www.amazon.com/dp/B079JX3FMC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**NAC Supplement 900 mg Liver Cleanse Detox & Repair Antioxidant & Cellular Health Alcohol Defense Support N-Acetyl Cysteine Capsules with Milk Thistle Turmeric Dandelion & Artichoke 120 Count**iMATCHME**$34.39**140 rev10mo ago](https://www.amazon.com/dp/B0FS1N4TXY) [**NOW Foods Supplements NAC (N-Acetyl Cysteine) 600 mg with Selenium 100 Capsules with Now Supplements Silymarin Milk Thistle Extract 300 mg with Artichoke and Dandelion 100 Veg Capsules**NOW Foods**$28.16**18 rev1y ago](https://www.amazon.com/dp/B0FC6VD1NP) [**Milk Thistle Supplement w/ NAC Artichoke & Dandelion Liver Support Supplement & Gallbladder Supplements in One Liver Detox Milk Thistle & Liver Care Supplements 90 Vegan Capsules Pack of 1**MEDCHOICE**$22.91**68 rev1y ago](https://www.amazon.com/dp/B0F7734WTR) [**Liver Advanced+ 240 Veggie Capsules | 20-in-1 Complex with Milk Thistle Dandelion NAD NAC ALA TUDCA Glutathione Artichoke Turmeric & Astragalus | Non-GMO Gluten Free**Micro Ingredients**$22.09**1,256 rev1y ago](https://www.amazon.com/dp/B0DVM7GKC2) [**Vitamatic NAC Supplement N-Acetyl-L-Cysteine (NAC) with Milk Thistle 50:1 Extract - Supports Immune Respiratory Liver Health 1200 mg per Serving 120 Veg Capsules**Vitamatic**$14.40**199 rev2y ago](https://www.amazon.com/dp/B0DB19MQR9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Milk Thistle Supplement w/ NAC Artichoke & Dandelion Liver Support Supplement & Gallbladder Supplements in One Liver Detox Milk Thistle & Liver Care Supplements 90 Vegan Capsules Pack of 1**MEDCHOICE**$22.91**4.7★**▲ 51%**](https://www.amazon.com/dp/B0F7734WTR) [**Zazzee USDA Organic Milk Thistle 30:1 Extract 80% Silymarin 120 Vegan Capsules 4 Month Supply Certified Kosher High Potency Liver & Antioxidant Support Silybum Marianum Non-GMO Made in the USA**Zazzee**$27.77**4.7★**▲ 45%**](https://www.amazon.com/dp/B07CCK6VRS) [**Liver Support NAC Supplement with Milk Thistle for Liver Cleanse Detox & Repair - N Acetyl Cysteine Supplement for Liver Cleanse with Turmeric Choline Dandelion & L-Glutathione - 60 Count**Natures Craft**$21.27**4.6★**▲ 35%**](https://www.amazon.com/dp/B0BM9HJQPJ) [**Bronson Milk Thistle Silymarin Marianum & Dandelion Extract 120 Capsules**Bronson**$9.90**4.7★**▲ 29%**](https://www.amazon.com/dp/B079JX3FMC) [**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★**▲ 28%**](https://www.amazon.com/dp/B0D75RHTJ8)
**~~View all trending →~~**
## **What reviews say buyers love and hate about nac with milk thistle**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**19%
*“the quality feels solid”*
**Efficiency**8%
*“Works well”*
**Regulates Digestion**6%
*“Easy to digest”*
**Value For Money**5%
*“Good value for the money”*
**Heart Health**5%
*“recent blood tests confirm its doing its job”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Side Effects**3%
*“hasnt caused me any side effects”*
**Detoxification**3%
*“Good detox”*
**Nutritional Content**3%
*“Good quality supplement”*
**Energy Level**3%
*“The energy it gives me is amazing”*
### **What buyers complain about **
**Taste-Overall**11%
*“Tastes like sulphur / rotten eggs”*
**Side Effects**11%
*“ended up very sick”*
**Functionality-Overall**7%
*“Completely upset my whole system”*
**Dosage**5%
*“the pills will explode”*
**Allergies**5%
*“very uncomfortable rash”*
**Smell**4%
*“some say it smelled like rotten eggs-ammonia”*
**Acid Regulator/Stomach Ache Relief**4%
*“been dealing with a lot of gas bloating food intolerance gerd all kinds of gastric mess”*
**Advertised Vs Actual Product**4%
*“Seems a bit deceptive”*
**Ingredients-Overall**3%
*“Some weird ingredients in this product: TUDCA (tauroursodeoxycholic acid) is a bile acid, a modified form of ursodeoxycholic acid (UDCA) with taurine attached”*
**Durability**3%
*“Broke out in hives after one week of use”*
### **Top return reasons **
**Functionality-Overall**17%
**Certifications**17%
**Value For Money**17%
**Vegan/Organic**8%
**Advertised Vs Actual Product**8%
**Ingredients-Overall**8%
**Taste-Overall**8%
**Age Suitability**8%
**Acid Regulator/Stomach Ache Relief**4%
**Vitamin**4%
## **Common nac with milk thistle questions**
- **Is nac with milk thistle profitable to sell on Amazon United States?**
- The niche generates $112K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +305.6%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the nac with milk thistle niche?**
- 10 brands and 18 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 88% of demand.
- **What do buyers complain about in nac with milk thistle?**
- Top complaints mined from reviews: Taste-Overall, Side Effects, Functionality-Overall. The return rate is 0.0%.
- **What does it cost to enter the nac with milk thistle niche?**
- Listings span $9.90–$52.86; the average listing price is $26.13 (sweet spot $15–$100). The average incumbent carries 4,867 reviews — the moat a new listing must climb.
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