Glynac
MaybeAn estimated 0.0% of orders come back. But the top 5 products take 62% of clicks, so Glynac is a Maybe.
- Flapen Score
- 59 / 100Top 13% of 14,768 Health & Household niches · +10 vs the category median of 4959
- Market size
- $375K/yr227K searches / yr
- 90-day growth
- +15.3%search demand this quarter
- Competition
- 62%top-5 click share · 12 brands · 43 sellers
Flapen Score
Glynac against its category
The dotted line is the Health & Household average. Past it, Glynac is stronger. Inside it, weaker.
Market
The Glynac market on Amazon at a glance
Shoppers on Amazon United States searched for Glynac 227K times last year and spent an estimated $375K. The top 5 brands take 68% of clicks. Demand peaks in Nov. Flapen scores it 59 out of 100, a Maybe.
01 · Demand
An estimated 6.4% of those searches ended in a purchase.
Shoppers searched for this 227K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.4% of those searches ended in a purchase. Searches in the last 90 days moved +15.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $375K a year.
- Searches, last 12 months
- 227K
- Growth, 90 days vs prior 90
- +15.3%
- Conversion, latest week
- 6.4%
- Market size, estimated
- $375Ka year
- Peak month
- November2.3× the quietest month
- Top search term
- glynac111K searches a year
02 · Price
A sale here is worth $25.61.
Listings sell for $25.61 on average, from $10.25 to $54.51. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 500 to 750 of them. At $25.61 that is $13K to $19K a year per listing.
- Average price
- $25.61inside the $15 to $100 sweet spot
- Price range
- $10.25–$54.51
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 13K–15K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $13K–$19K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
80% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 7.0% of listings are out of stock. The average listing ranks #1,574 within Antioxidants. It carries 2,610 reviews at 4.51 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 80%
- Prime listings
- 100%
- Out of stock, average day
- 7.0%
- Average rank
- #1,574in Antioxidants
- Average rating
- 4.51 starsAmazon United States average 4.42 stars
- Average reviews
- 2,610per listing
- Listings tracked
- 20
04 · Newcomers
4 of last year's 7 launches cleared the first-year sales bar.
7 products launched here in the last 12 months. 4 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 65 months on average, so the names here are established.
- Launched, last 12 months
- 7
- Successful launches
- 4Amazon's first-year sales bar
- Average brand age
- 65 months
Products
Top Glynac 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
Nutricost NAC + Glycine Powder (250 Grams) Unflavored Gluten-Free
- Price
- $21.45
- Rating
- 4.4/5
- Reviews
- 119
- Age
- 9mo ago

GlyNAC-ET NAC Supplement N-Acetyl Cysteine Ethyl Ester - 20x More Bioavailable - Glycine & N-Acetylcysteine Ethyl Ester Anti Aging Supplement Boost Glutathione 60 Capsules - Nutri - 3rd Party Tested
- Price
- $25.31
- Rating
- 4.4/5
- Reviews
- 462
- Age
- 3y ago

THEREXA GLYNAC Supplement 1200MG - Glycine & NAC Supplements USA Tested - 90 Capsules
- Price
- $20.14
- Rating
- 4.5/5
- Reviews
- 61
- Age
- 6mo ago

GlyNAC Supplement Complex Large Size Tablet 1600MG Glutathione Production - 3rd Party Tested Healthy Aging & Cognitive Support - Glycine & NAC Gluten Free Non GMO USA Made Glass Bottle
- Price
- $24.13
- Rating
- 4.2/5
- Reviews
- 83
- Age
- 8mo ago

Pure Encapsulations NAC + Glycine Powder - Immune Support Detox Cleanse & Glutathione Production* - Conditionally Essential Amino Acids - Gluten Free & Non-GMO - 5.6 oz
- Price
- $36.31
- Rating
- 4.2/5
- Reviews
- 390
- Age
- 3y ago
Trending
estimated 90-day click momentum
PRISTINES Large Tablet GlyNAC Complex 1600mg Glycine 1000mg + NAC 600mg Supplement Glutathione & Antioxidant Support 120 Large Scored Tablets Vegan Non-GMO Gluten-Free
- Price
- $24.98
- Rating
- 5.0/5
- Reviews
- 4
- Age
- 2mo ago

OMRE - Glycine (1000mg) + NAC Supplement (500mg) Amino Acid Formula for Antioxidant Liver & Cellular Health Support Gluten-Free - Glutathione Support
- Price
- $33.80
- Rating
- 4.8/5
- Reviews
- 24
- Age
- 5mo ago

THEREXA GLYNAC Supplement 1200MG - Glycine & NAC Supplements USA Tested - 90 Capsules
- Price
- $20.14
- Rating
- 4.5/5
- Reviews
- 61
- Age
- 6mo ago

GREABBY Glynac Gummies Glycine & N-Acetyl Cysteine Supplement for Adults with Quercetin Vitamin C & Zinc Liver & Cellular Support Glutathione Production 60 Count
- Price
- $19.70
- Rating
- 4.6/5
- Reviews
- 34
- Age
- 6mo ago

Age Finity NAD+ & NR Cellular Optimization Mitochondrial Supplement - NAD Nicotinamide Riboside TMG CoQ10 GlyNAC Resveratrol Spermidine - Cellular Longevity - 3rd Party Tested Glass Bottle
- Price
- $25.51
- Rating
- 4.4/5
- Reviews
- 36
- Age
- 6mo ago
Newest
by launch date
PRISTINES Large Tablet GlyNAC Complex 1600mg Glycine 1000mg + NAC 600mg Supplement Glutathione & Antioxidant Support 120 Large Scored Tablets Vegan Non-GMO Gluten-Free
- Price
- $24.98
- Rating
- 5.0/5
- Reviews
- 4
- Age
- 2mo ago

OMRE - Glycine (1000mg) + NAC Supplement (500mg) Amino Acid Formula for Antioxidant Liver & Cellular Health Support Gluten-Free - Glutathione Support
- Price
- $33.80
- Rating
- 4.8/5
- Reviews
- 24
- Age
- 5mo ago

THEREXA GLYNAC Supplement 1200MG - Glycine & NAC Supplements USA Tested - 90 Capsules
- Price
- $20.14
- Rating
- 4.5/5
- Reviews
- 61
- Age
- 6mo ago

GREABBY Glynac Gummies Glycine & N-Acetyl Cysteine Supplement for Adults with Quercetin Vitamin C & Zinc Liver & Cellular Support Glutathione Production 60 Count
- Price
- $19.70
- Rating
- 4.6/5
- Reviews
- 34
- Age
- 6mo ago

Age Finity NAD+ & NR Cellular Optimization Mitochondrial Supplement - NAD Nicotinamide Riboside TMG CoQ10 GlyNAC Resveratrol Spermidine - Cellular Longevity - 3rd Party Tested Glass Bottle
- Price
- $25.51
- Rating
- 4.4/5
- Reviews
- 36
- Age
- 6mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 62% of clicks. Leaders hold, but buyers still shop past them.
Brands
12 rising
Sellers
43
Est. top-5 brand share
68%
Top 20: 100%
Est. top-5 click share
62%
Top 20: 100%
Open market
22%
- Nutricost16%
- Nature's Fusions15%
- PRISTINE'S14%
- THEREXA12%
- Pure Encapsulations11%
- Utzy Naturals10%
Demand
Glynac search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Nov · busiest ÷ quietest = 2.3×
Search terms
Top Glynac search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- glynac111K/yr
- glynac supplement47K/yr
- nac glycine15K/yr
- glynac powder9K/yr
- glycine nac13K/yr
- gly nac4K/yr
- glynac supplement 1000mg4K/yr
- nac + glycine4K/yr
- nac and glycine5K/yr
- nac with glycine4K/yr
Reviews and returns
What reviews say buyers love and hate about Glynac
We read the reviews and the return reasons for every product selling here.
“it stinks”
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.
19 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 Glynac 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









