Nac 600 Mg Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Nac 600 Mg sales on Amazon US totaled 159,300 units in July 2026 (▼ 7.4% vs. the prior month), generating an estimated $3,708,084 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 69.7% of unit volume and 66.2% of revenue, while a typical listing is priced at $25.84. The keyword itself pulled 15,311 Amazon queries over the same period (▲ 2.8% MoM).
Zooming out to the 12-month window ending July 2026, the nac 600 mg Top 50 moved 1,767,300 units and $40,964,294 in cumulative sales — an average of 147,275 units and $3,413,691 per month. Monthly throughput topped out at 172,000 units in June 2026 and dipped to 98,500 in May 2026, leaving the latest reading 19.4% higher than August 2025.
Nac 600 Mg Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
159.3K
▼ 7.4% MoM
Monthly Revenue 2026/07
$3.7M
▼ 5.7% MoM
Top 10 Market Share 2026/07
69.7%
Nac 600 Mg Market Share & Sales Concentration on Amazon US — July 2026
The most-sold nac 600 mg listing on Amazon US in July 2026 is ASIN B008ML8D4O (Brand: Life Extension), which sold 20,000 units at $11.24 apiece — equal to 12.6% of every unit tracked in this report.
The Top 10 ASINs account for 111,000 units and $2,454,300 in July 2026 — 69.7% of unit volume and 66.2% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Nac 600 Mg' on Amazon
July 2026
Is 69.7% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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Top 5 Volume Share breakdown
B008ML8D4O
Life Extension N-Acetyl-L-Cysteine (NAC), Immune, Respiratory, Liver Health, NAC 600 mg, Potent antioxidant Support, Free-radicals, Easy to Absorb, 60 Capsules
20K
▲ 0.0%vs. prior month
$181.6K
latest month
12-month trend
B01CUQFKW4
Nutricost N-Acetyl L-Cysteine (NAC) 600mg, 180 Capsules | GMO-Free And Gluten Free
20K
▲ 0.0%vs. prior month
$319K
latest month
12-month trend
B000FGZG3A
THORNE NAC, 500 mg N-Acetylcysteine, Amino Acid Supplement, 90 Capsules | Supports Respiratory & Immune Health, Promotes Liver & Kidney Detox*, Gluten, Dairy & Soy-Free, NSF Contents Certified
10K
▲ 0.0%vs. prior month
$330K
latest month
12-month trend
B0013OUQ3S
NOW Supplements, NAC (N-Acetyl Cysteine) 600 mg with Selenium, 250 Veg Capsules
10K
▼ 50.0%vs. prior month
$217.3K
latest month
12-month trend
B00OA6NLG0
Pure Encapsulations NAC 600 mg, 90 Capsules | N-Acetyl Cysteine NAC Supplement for Lung Health and Immune Support*, Liver Support and Antioxidants*
10K
▲ 0.0%vs. prior month
$385K
latest month
12-month trend
B089C71Q18
Hepagard Natural Liver Support Supplement with NAC, Vegan, Gluten-Free | Promotes Healthy Liver Function, Detox, and Cleanse with Milk Thistle for Less Bloating and Better Digestion, 30-Day Supply
10K
▲ 0.0%vs. prior month
$399.5K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Nac 600 Mg Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Nutricost is the best-performing nac 600 mg brand in July 2026, moving 25,000 units across 2 ASINs for 22.5% of Top 10 volume. Life Extension follows with 20,000 units (18.0%), ahead of NOW on 17,000 units (15.3%).
Volume is spread across 8 brands, with the top three holding 55.9% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $11.24 to $20.62, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Nutricost
2 ASINs in Top 10
22.5%
Units
25K
Revenue
$428.8K
Avg. price
$18.95
B01CUQFKW4
$15.95·★4.6·14.6K revsNutricost N-Acetyl L-Cysteine (NAC) 600mg, 180 Capsules | GMO-Free And Gluten Free
Units sold20KB07983MH53
$21.95·★4.6·14.6K revsNutricost N-Acetyl L-Cysteine (NAC) 600mg, 240 Vegetarian Capsules | Vegan, GMO-Free, Gluten Free
Units sold5K
Life Extension
1 ASIN in Top 10
18.0%
Units
20K
Revenue
$181.6K
Avg. price
$11.24
B008ML8D4O
$11.24·★4.6·8K revsLife Extension N-Acetyl-L-Cysteine (NAC), Immune, Respiratory, Liver Health, NAC 600 mg, Potent antioxidant Support, Free-radicals, Easy to Absorb, 60 Capsules
Units sold20K
NOW
2 ASINs in Top 10
15.3%
Units
17K
Revenue
$353K
Avg. price
$20.62
B0013OUQ3S
$21.85·★4.6·21.1K revsNOW Supplements, NAC (N-Acetyl Cysteine) 600 mg with Selenium, 250 Veg Capsules
Units sold10KB00KT3H13C
$19.39·★4.6·14.2K revsNOW Foods Supplements, NAC (N-Acetyl-Cysteine) 1,000 mg, Free Radical Protection*, 120 Tablets
Units sold7K
Trending Nac 600 Mg Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. On the growth side, B0029XI2DI leads positive momentum with ▲ 100.0% MoM growth on 2K units, with B07KR3LZNJ close behind at ▲ 100.0% MoM on 2K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0029XI2DI
Pure Encapsulations NAC 600 mg, 180 Capsules | N-Acetyl Cysteine NAC Supplement for Lung Health and Immune Support*, Liver Support and Antioxidants*
Price
$63.50
Rating
4.7
Reviews
3.9K
Latest month sales
B07KR3LZNJ
Life Extension N-Acetyl-L-Cysteine (NAC) 600mg, 150 Capsules
Price
$28.95
Rating
4.7
Reviews
1.1K
Latest month sales
B0CCX27QHY
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
Unlock to view ASIN details and product titles
Price
$21.97
Rating
4.5
Reviews
1.1K
Latest month sales
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