---
title: "Nac 1200mg — $5K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/nac-1200mg"
last_updated: "2026-08-12T07:54:03.625Z"
locale: en
meta:
  description: "Amazon product research for nac 1200mg: $5K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for nac 1200mg: $5K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Nac 1200mg — $5K/mo Amazon US Product Research (2026)"
---

# **Nac 1200mg**

**Worth a look**

Shows low returns (0.0%), but a small market ($61K/yr) keeps it on the watch list.

Market size 15Growth 18Conversion 96Competition 44Returns 100Price range 85Avg price 85Brand share 73Review moat 25Quality gap 32

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****13.4%**

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

**Avg price**

**Great****$19.08**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$9.65–$53.64**

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

**Brand share**

**Good****61%**

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

**Competition**

**Okay****58%**

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

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****4,186.59**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-13.1%**

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

**Market size**

**Bad****$61K**

$61K/yr · 24K searches

## **Is nac 1200mg profitable on Amazon?**

According to Flapen's Amazon United States niche tracking, nac 1200mg is a $61K/yr Amazon United States market (24K searches/yr). The top 5 brands hold 61% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **nac 1200mg market size & sales**

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

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–3K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$48K–$57K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**13.4%**</dd>

<dt>**Avg BSR**</dt><dd>**#131**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**82%**</dd>

<dt>**Out of stock**</dt><dd>**5.3%**</dd>

<dt>**Avg brand age**</dt><dd>**58 months**</dd>

<dt>**Avg seller age**</dt><dd>**183 days**</dd>

</dl>

## **Competition: brands, sellers & click share**

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**15 **▲rising

**Sellers**

**48**

**Top-5 brand share**

**61%**

Top 20: 100%

**Top-5 click share**

**58%**

Top 20: 100%

**Open market**

**33%**

- Horbäach29% - NOW Foods10% - Nutricost9% - NatureBell7% - Pure Encapsulations6% - NUTRAHARMONY6%

## **nac 1200mg demand & seasonality**

Weekly Amazon search volume, last 21 weeks — -13.1% search growth over the last 90 days.

600400Spike '26Mar '26Mar '26Apr '26May '26May '26Jun '26Jul '26

[**Open Trend **](https://flapen.com/research/us/health-household/nac-1200mg/trend)

## **Top nac 1200mg search terms shoppers use**

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

- **nac 1200mg**11K/yr-7.8%6.9% conv. - **n-acetylcysteine nac 1200mg**5K/yr-15.3%13.7% conv. - **nac supplement 1200 mg**4K/yr-14.6%9.1% conv. - **nac 1200**4K/yr-24.1%8.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/nac-1200mg/search-terms)

## **Top nac 1200mg 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%$6K20%$12K30%$18K40%$24K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 17 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Horbach NAC N-Acetyl Cysteine Supplement 1200mg | 250 Powder Capsules](https://m.media-amazon.com/images/I/31sajfmoGFL.jpg)**Horbach NAC N-Acetyl Cysteine Supplement 1200mg | 250 Powder Capsules**Horbäach**$20.09**4.5★2,219 rev](https://www.amazon.com/dp/B07N7R4TFB) [2![Nutricost N-Acetyl L-Cysteine (NAC) 600mg 180 Capsules](https://m.media-amazon.com/images/I/41ZnL8DbYkL.jpg)**Nutricost N-Acetyl L-Cysteine (NAC) 600mg 180 Capsules**Nutricost**$15.75**4.6★14,257 rev](https://www.amazon.com/dp/B01CUQFKW4) [3![NatureBell NAC 1 200mg with Quercetin - 240 Capsules - N-Acetyl Cysteine - Antioxidant Supplement for Cellular Health - Supports Liver Lung & Immune Function* - 3rd Party Tested](https://m.media-amazon.com/images/I/41mDovCXI6L.jpg)**NatureBell NAC 1 200mg with Quercetin - 240 Capsules - N-Acetyl Cysteine - Antioxidant Supplement for Cellular Health - Supports Liver Lung & Immune Function* - 3rd Party Tested**NatureBell**$21.90**4.6★1,519 rev](https://www.amazon.com/dp/B0866BQP63) [4![NOW Foods Supplements NAC (N-Acetyl-Cysteine) 1 000 mg Free Radical Protection* 120 Tablets](https://m.media-amazon.com/images/I/418Ug6gxP2L.jpg)**NOW Foods Supplements NAC (N-Acetyl-Cysteine) 1 000 mg Free Radical Protection* 120 Tablets**NOW Foods**$18.36**4.6★14,857 rev](https://www.amazon.com/dp/B00KT3H13C) [5![NAC Supplement | Selenium | B6 | B12 - Antioxidant Immune Support - N Acetyl Cysteine 600 mg per Capsule 1200 mg per Serving - Lab Tested - Non-GMO Gluten-Free Vegan - 120 caps 2 Month Supply](https://m.media-amazon.com/images/I/41Mxg3c+B+L.jpg)**NAC Supplement | Selenium | B6 | B12 - Antioxidant Immune Support - N Acetyl Cysteine 600 mg per Capsule 1200 mg per Serving - Lab Tested - Non-GMO Gluten-Free Vegan - 120 caps 2 Month Supply**NUTRAHARMONY**$19.55**4.6★1,422 rev](https://www.amazon.com/dp/B0BZ8WTK7V)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Micro Ingredients NAC with NAD+ 240 Vegetarian Capsules | 1 200 mg Per Serving | 2-in-1 N-Acetyl-L-Cysteine with Nicotinamide Adenine Dinucleotide | Non-GMO cGMP Manufactured](https://m.media-amazon.com/images/I/41GaTs+vUoL.jpg)**Micro Ingredients NAC with NAD+ 240 Vegetarian Capsules | 1 200 mg Per Serving | 2-in-1 N-Acetyl-L-Cysteine with Nicotinamide Adenine Dinucleotide | Non-GMO cGMP Manufactured**Micro Ingredients**$20.50**145 rev8mo ago](https://www.amazon.com/dp/B0G2N29LHV) [![NAC Supplement N-Acetyl Cysteine | High Absorption NAC 1200mg Softgels for Liver & Kidney Detox Immune Support & Antioxidants | Vegan Capsules | 2 Month Supply | Non-GMO | Gluten Free | 120 Count](https://m.media-amazon.com/images/I/41nCJv2KgBL.jpg)**NAC Supplement N-Acetyl Cysteine | High Absorption NAC 1200mg Softgels for Liver & Kidney Detox Immune Support & Antioxidants | Vegan Capsules | 2 Month Supply | Non-GMO | Gluten Free | 120 Count**JINGYAT**$10.74**186 rev1y ago](https://www.amazon.com/dp/B0FGXH3G49) [![NAC Supplement - 1200mg Per Serving N-Acetyl-L-Cysteine - Free-Form NAC is a Powerful Antioxidant for Daily Immune Liver & Respiratory Support - Vegan Gluten Free Bottled in USA - 120 Capsules](https://m.media-amazon.com/images/I/41OS7oRF-DL.jpg)**NAC Supplement - 1200mg Per Serving N-Acetyl-L-Cysteine - Free-Form NAC is a Powerful Antioxidant for Daily Immune Liver & Respiratory Support - Vegan Gluten Free Bottled in USA - 120 Capsules**Nature's Nutrition**$10.46**92 rev1y ago](https://www.amazon.com/dp/B0DZ55VSLP) [![NAC Supplement - 1200mg per Serving N-Acetyl-L-Cysteine Optimal Absorption Immune Support with Powerful Antioxidants - Respiratory & Liver Health Support - Gluten Free Bottled in USA - 120 Capsules](https://m.media-amazon.com/images/I/41VUVNuMq5L.jpg)**NAC Supplement - 1200mg per Serving N-Acetyl-L-Cysteine Optimal Absorption Immune Support with Powerful Antioxidants - Respiratory & Liver Health Support - Gluten Free Bottled in USA - 120 Capsules**Hello Lovely!**$10.18**107 rev1y ago](https://www.amazon.com/dp/B0DZ9GKTBV) [![NAC Supplement - 1200mg Per Serving N-Acetyl-L-Cysteine - Free-Form NAC is a Powerful Antioxidant for Daily Immune Liver & Respiratory Support - Vegan Gluten Free Bottled in USA - 120 Capsules](https://m.media-amazon.com/images/I/41ZkGVpvvYL.jpg)**NAC Supplement - 1200mg Per Serving N-Acetyl-L-Cysteine - Free-Form NAC is a Powerful Antioxidant for Daily Immune Liver & Respiratory Support - Vegan Gluten Free Bottled in USA - 120 Capsules**Nature's Peak**$9.65**99 rev1y ago](https://www.amazon.com/dp/B0DYQVCGSN)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Micro Ingredients NAC with NAD+ 240 Vegetarian Capsules | 1 200 mg Per Serving | 2-in-1 N-Acetyl-L-Cysteine with Nicotinamide Adenine Dinucleotide | Non-GMO cGMP Manufactured](https://m.media-amazon.com/images/I/41GaTs+vUoL.jpg)**Micro Ingredients NAC with NAD+ 240 Vegetarian Capsules | 1 200 mg Per Serving | 2-in-1 N-Acetyl-L-Cysteine with Nicotinamide Adenine Dinucleotide | Non-GMO cGMP Manufactured**Micro Ingredients**$20.50**4.5★**▲ 160%**](https://www.amazon.com/dp/B0G2N29LHV) [![NAC Supplement - 1200mg per Serving N-Acetyl-L-Cysteine Optimal Absorption Immune Support with Powerful Antioxidants - Respiratory & Liver Health Support - Gluten Free Bottled in USA - 120 Capsules](https://m.media-amazon.com/images/I/41VUVNuMq5L.jpg)**NAC Supplement - 1200mg per Serving N-Acetyl-L-Cysteine Optimal Absorption Immune Support with Powerful Antioxidants - Respiratory & Liver Health Support - Gluten Free Bottled in USA - 120 Capsules**Hello Lovely!**$10.18**4.5★**▲ 62%**](https://www.amazon.com/dp/B0DZ9GKTBV) [![Natures Truth NAC Supplement | N Acetyl Cysteine | Free Form Amino Acid](https://m.media-amazon.com/images/I/41eD3YgfWHL.jpg)**Natures Truth NAC Supplement | N Acetyl Cysteine | Free Form Amino Acid**Nature's Truth**$9.76**4.6★**▲ 46%**](https://www.amazon.com/dp/B00XHK8QWE) [![NAC Supplement - 1200mg Per Serving N-Acetyl-L-Cysteine - Free-Form NAC is a Powerful Antioxidant for Daily Immune Liver & Respiratory Support - Vegan Gluten Free Bottled in USA - 120 Capsules](https://m.media-amazon.com/images/I/41OS7oRF-DL.jpg)**NAC Supplement - 1200mg Per Serving N-Acetyl-L-Cysteine - Free-Form NAC is a Powerful Antioxidant for Daily Immune Liver & Respiratory Support - Vegan Gluten Free Bottled in USA - 120 Capsules**Nature's Nutrition**$10.46**4.6★**▲ 42%**](https://www.amazon.com/dp/B0DZ55VSLP) [![BulkSupplements.com NAC 1000 mg Capsules - N-Acetyle Cysteine 1000mg NAC Supplement NAC1000mg - NAC Capsules Gluten Free - 2 Capsules per Serving 180-Day Supply 360 Capsules](https://m.media-amazon.com/images/I/418P12btg+L.jpg)**BulkSupplements.com NAC 1000 mg Capsules - N-Acetyle Cysteine 1000mg NAC Supplement NAC1000mg - NAC Capsules Gluten Free - 2 Capsules per Serving 180-Day Supply 360 Capsules**BulkSupplements**$20.65**4.5★**▲ 37%**](https://www.amazon.com/dp/B0CCX27QHY)

**~~View all trending →~~**

## **What reviews say buyers love and hate about nac 1200mg**

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

### **What buyers love **

**Quality-Overall**20%

*“The quality is always consistent”*

**Value For Money**9%

*“Fair price”*

**Vitamin**7%

*“Great vitamin”*

**Advertised Vs Actual Product**6%

*“was as advertised”*

**Efficiency**4%

*“Appears to be effective”*

**Nutritional Content**3%

*“Best Supplement”*

**Ease Of Chewing/Swallowing**3%

*“my 11 year-old has no problem swallowing it”*

**Dosage**3%

*“I like this dosage”*

**Ingredients-Overall**2%

*“Quality ingredients”*

**Ease Of Use**2%

*“Good to use”*

### **What buyers complain about **

**Smell**23%

*“Horrible smell”*

**Taste-Overall**10%

*“taste is terrible”*

**Side Effects**4%

*“Make me feel sick”*

**Functionality-Overall**4%

*“this one simply didn't help me”*

**Dosage**3%

*“One dose of this product made me sick”*

**Acid Regulator/Stomach Ache Relief**3%

*“stomach upset”*

**Quality-Overall**2%

*“Bad quality control”*

**Size-Overall**2%

*“They are tiny”*

**Value For Money**2%

*“Wish there were a cheaper alternative”*

**Heart Health**2%

*“Caused heartburn”*

### **Top return reasons **

**Dosage**25%

**Functionality-Overall**19%

**Advertised Vs Actual Product**19%

**Salt Content**6%

**Acid Regulator/Stomach Ache Relief**6%

**Size-Overall**6%

**Side Effects**6%

**Value For Money**6%

**Smell**3%

**Taste-Overall**3%

## **Common nac 1200mg questions**

<dl>

<dt>**Is nac 1200mg profitable to sell on Amazon United States?**</dt><dd>The niche generates $61K/yr across 17 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.1%. Flapen's verdict: Worth a look (51/100).</dd>

<dt>**How competitive is the nac 1200mg niche?**</dt><dd>15 brands and 48 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 61% of demand.</dd>

<dt>**What do buyers complain about in nac 1200mg?**</dt><dd>Top complaints mined from reviews: Smell, Taste-Overall, Side Effects. The return rate is 0.0%.</dd>

<dt>**What does it cost to enter the nac 1200mg niche?**</dt><dd>Listings span $9.65–$53.64; the average listing price is $19.08 (sweet spot $15–$100). The average incumbent carries 4,187 reviews — the moat a new listing must climb.</dd>

</dl>

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