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55

s acetyl glutathione

Worth a look

Shows low returns (0.0%), but soft demand (-13.3% this quarter) keeps it on the watch list.

Market size 41Growth 18Conversion 80Competition 38Returns 100Price range 79Avg price 93Brand share 63Review moat 61Quality gap 40

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$49.83

avg listing price — sweet spot $15–$100

Conversion

Great8.2%

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

Price range

Great$20.31–$119.48

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

Brand share

Good67%

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

Review moat

Good1,056.29

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$215K

$215K/yr · 52K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay62%

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

Growth

Bad-13.3%

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

According to Flapen's Amazon United States niche tracking, s acetyl glutathione is a $215K/yr Amazon United States market (52K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Jan. Verdict: Worth a look — 55/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

s acetyl glutathione market data

Units sold / yr
4K–5K
avg 100–250/product
Revenue / yr
$199K–$249K
units × avg price
Conversion rate
8.2%
Avg BSR
#807
Page quality
0%
Prime
94%
Sponsored
76%
Out of stock
0.9%
Avg brand age
67 months
Avg seller age
173 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

29

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

26%

  • Double Wood Supplements22%
  • Nutricost18%
  • Pure Therapro Rx12%
  • Designs for Health8%
  • MAXLIFE NATURALS8%
  • TerraForm Nutrition7%

Demand & seasonality

Weekly Amazon search volume, last 97 weeks — -13.3% search growth over the last 90 days.
2K1KSpike '25Prime Day '25Spike '26DecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.6×

Top s acetyl glutathione search terms

  • s acetyl glutathione19K/yr
  • s-acetyl glutathione15K/yr
  • s-acetyl l-glutathione7K/yr
  • acetyl glutathione6K/yr
  • s acetyl glutathione supplement6K/yr
All search terms

Top s acetyl glutathione products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$21K20%$43K30%$64K40%$86K101001K10K100K Reviews — right = deep review moat Market 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.

What buyers say about s acetyl glutathione

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

What buyers love

Quality-Overall19%

“The capsules themselves seem well made”

Vitamin7%

“Great supplement brand”

Ease Of Use6%

“the capsules are convenient”

Advertised Vs Actual Product5%

“Like it”

Energy Level5%

“Energy”

Skin Health4%

“Overall fresh skin appearance”

Ease Of Chewing/Swallowing4%

“easy on my stomach”

Absorbency3%

“Great product, easily absorbed by your body”

Ingredients-Overall3%

“free from unnecessary additives”

Immunity Booster3%

“Excellent Antioxidant Support for Detox and Immunity”

What buyers complain about

Value For Money13%

“Obviously expensive”

Ingredients-Overall10%

“the ingredient list on this one felt a bit excessive”

Size-Overall5%

“The capsules are somewhat large”

Ease Of Chewing/Swallowing5%

“hard to swallow”

Calcium5%

“Your body will break down glutathione before your body uses it”

Vitamin4%

“Artificial dyes in a healthy vitamin supplement seems wrong”

Nutritional Content4%

“So-called liposomal forms of glutathione do not directly deliver target nutrients like TerraForm's S-Acetyl version can”

Quality-Overall2%

“quality results are not consistent or strongly established”

Functionality-Overall2%

“it doesnt work”

Skin Health2%

“my face is starting to show signs of it”

Top return reasons

Quality-Overall67%
Functionality-Overall33%

Common questions

Is s acetyl glutathione profitable to sell on Amazon United States?
The niche generates $215K/yr across 17 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.3%. Flapen's verdict: Worth a look (55/100).
How competitive is the s acetyl glutathione niche?
14 brands and 29 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 67% of demand.
What do buyers complain about in s acetyl glutathione?
Top complaints mined from reviews: Value For Money, Ingredients-Overall, Size-Overall. The return rate is 0.0%.
When does demand for s acetyl glutathione peak?
Demand peaks in Jan; the busiest month runs 1.6× the quietest.
What does it cost to enter the s acetyl glutathione niche?
Listings span $20.31–$119.48; the average listing price is $49.83 (sweet spot $15–$100). The average incumbent carries 1,056 reviews — the moat a new listing must climb.