Nac Powder
MaybeAn estimated 0.0% of orders come back. But demand is soft, at -18.3% this quarter, so Nac Powder is a Maybe.
- Flapen Score
- 52 / 100Top 36% of 14,768 Health & Household niches · +3 vs the category median of 4952
- Market size
- $177K/yr66K searches / yr
- 90-day growth
- -18.3%search demand this quarter
- Competition
- 63%top-5 click share · 9 brands · 23 sellers
Flapen Score
Nac Powder against its category
The dotted line is the Health & Household average. Past it, Nac Powder is stronger. Inside it, weaker.
Market
The Nac Powder market on Amazon at a glance
Shoppers on Amazon United States searched for Nac Powder 66K times last year and spent an estimated $177K. The top 5 brands take 90% of clicks. Demand peaks in Jan. Flapen scores it 52 out of 100, a Maybe.
01 · Demand
An estimated 10.8% of those searches ended in a purchase.
Shoppers searched for this 66K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 10.8% of those searches ended in a purchase. Searches in the last 90 days moved -18.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $177K a year.
- Searches, last 12 months
- 66K
- Growth, 90 days vs prior 90
- -18.3%
- Conversion, latest week
- 10.8%
- Market size, estimated
- $177Ka year
- Peak month
- January1.9× the quietest month
- Top search term
- nac powder44K searches a year
02 · Price
A sale here is worth $24.90.
Listings sell for $24.90 on average, from $16.52 to $38.60. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 500 to 750 of them. At $24.90 that is $12K to $19K a year per listing.
- Average price
- $24.90inside the $15 to $100 sweet spot
- Price range
- $16.52–$38.60
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $12K–$19K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
87% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.6% of listings are out of stock. The average listing ranks #783 within Amino Acids. It carries 807 reviews at 4.47 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 87%
- Prime listings
- 100%
- Out of stock, average day
- 0.6%
- Average rank
- #783in Amino Acids
- Average rating
- 4.47 starsAmazon United States average 4.42 stars
- Average reviews
- 807per listing
- Listings tracked
- 15
04 · Newcomers
2 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 59 months on average, so the names here are settling in.
- Launched, last 12 months
- 3
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 59 months
Products
Top Nac Powder products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 25, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
BulkSupplements.com NAC Powder - N-Acetyl Cysteine 600mg NAC Supplement - Antioxidant Support Gluten Free - 600mg per Serving 417 Servings 250g (8.8 oz) (Pack of 1)
- Price
- $17.86
- Rating
- 4.4/5
- Reviews
- 2,355
- Age
- 12y ago

Nutricost N-Acetyl L-Cysteine (NAC) Powder 250 Grams Gluten-Free GMO-Free
- Price
- $24.46
- Rating
- 4.6/5
- Reviews
- 934
- Age
- 7y ago

Now Supplements NAC (N-Acetyl Cysteine) 600 mg Pure Powder Free Radical Protection* Cellular Health* Immune System Function* 4-Ounce (113 g)
- Price
- $16.52
- Rating
- 4.5/5
- Reviews
- 170
- Age
- 3y ago

BulkSupplements.com NAC Powder - N-Acetyl Cysteine 600mg NAC Supplement - Antioxidant Support Gluten Free - 600mg per Serving 833 Servings 500g 1.1 lbs (Pack of 1)
- Price
- $27.28
- Rating
- 4.4/5
- Reviews
- 2,355
- Age
- 12y ago

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
- Price
- $20.65
- Rating
- 4.5/5
- Reviews
- 1,055
- Age
- 3y ago
Trending
estimated 90-day click momentum
SEAFLEX NAC 600mg Non-GMO Gluten Free Organic NAC Supplement N-Acetyl Cysteine Capsules with NAD+ for Cellular & Lung Health 300 Softgels
- Price
- $26.90
- Rating
- 4.6/5
- Reviews
- 62
- Age
- 4mo ago

BulkSupplements.com NAC Powder - N-Acetyl Cysteine 600mg NAC Supplement - Antioxidant Support Gluten Free - 600mg per Serving 833 Servings 500g 1.1 lbs (Pack of 1)
- Price
- $27.28
- Rating
- 4.4/5
- Reviews
- 2,355
- Age
- 12y ago

Nutricost N-Acetyl L-Cysteine (NAC) Powder 500 Grams Vegan Gluten-Free
- Price
- $38.39
- Rating
- 4.6/5
- Reviews
- 934
- Age
- 7y ago

Best Naturals NAC (N-Acetyl L-Cysteine) Premium Pure Powder 1 LB Gluten Free.
- Price
- $20.01
- Rating
- 4.7/5
- Reviews
- 35
- Age
- 11mo ago

Nutricost NAC + Glycine Powder (250 Grams) Unflavored Gluten-Free
- Price
- $21.45
- Rating
- 4.4/5
- Reviews
- 119
- Age
- 9mo ago
Newest
by launch date
SEAFLEX NAC 600mg Non-GMO Gluten Free Organic NAC Supplement N-Acetyl Cysteine Capsules with NAD+ for Cellular & Lung Health 300 Softgels
- Price
- $26.90
- Rating
- 4.6/5
- Reviews
- 62
- Age
- 4mo ago

Nutricost NAC + Glycine Powder (250 Grams) Unflavored Gluten-Free
- Price
- $21.45
- Rating
- 4.4/5
- Reviews
- 119
- Age
- 9mo ago

Best Naturals NAC (N-Acetyl L-Cysteine) Premium Pure Powder 1 LB Gluten Free.
- Price
- $20.01
- Rating
- 4.7/5
- Reviews
- 35
- Age
- 11mo ago

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
- Price
- $20.65
- Rating
- 4.5/5
- Reviews
- 1,055
- Age
- 3y ago

PURE ORIGINAL INGREDIENTS NAC N-Acetyl L-Cysteine Powder (8 oz) Lab Verified Always Pure No Fillers
- Price
- $17.95
- Rating
- 4.6/5
- Reviews
- 126
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 63% of clicks. Leaders hold, but buyers still shop past them.
Brands
9 rising
Sellers
23
Est. top-5 brand share
90%
Top 20: 100%
Est. top-5 click share
63%
Top 20: 100%
Open market
6%
- BulkSupplements46%
- Nutricost26%
- NOW Foods9%
- Best Naturals5%
- Pure Encapsulations4%
- Trace Minerals4%
- Open — no brand owns it (3 brands, 6%)
Demand
Nac Powder search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan · busiest ÷ quietest = 1.9×
Search terms
Top Nac Powder search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- nac powder44K/yr
- nac powder supplement7K/yr
- nac supplement powder7K/yr
- nac bulk supplements4K/yr
- bulk supplements nac4K/yr
Reviews and returns
What reviews say buyers love and hate about Nac Powder
We read the reviews and the return reasons for every product selling here.
“Horrible smell”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Nac Powder questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









