Is korean supplements profitable to sell on Amazon United States?

The niche generates $188K/yr across 5 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +2.6%. Flapen's verdict: Skip it (44/100).

How competitive is the korean supplements niche?

4 brands and 75 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in korean supplements?

Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Value For Money. The return rate is 0.1%.

What does it cost to enter the korean supplements niche?

Listings span $20.51–$88.82; the average listing price is $41.59 (sweet spot $15–$100). The average incumbent carries 810 reviews — the moat a new listing must climb.

Korean Supplements

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Incredible$41.59

avg listing price — sweet spot $15–$100

Price range

Incredible$20.51–$88.82

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Review moat

Good809.8

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$188K

$188K/yr · 156K searches

Conversion

Okay2.9%

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

Growth

Okay+2.6%

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

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Is korean supplements profitable on Amazon?

According to Flapen's Amazon United States niche tracking, korean supplements is a $188K/yr Amazon United States market (156K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 44/100.

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

korean supplements market size & sales

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

Units sold / yr: 4K–5K; avg 1,000–1,250/product
Revenue / yr: $166K–$208K; units × avg price
Conversion rate: 2.9%
Avg BSR: #189
Page quality: 0%
Prime: 100%
Sponsored: 80%
Out of stock: 0.0%
Avg brand age: 44 months
Avg seller age: 139 days

Competition: brands, sellers & click share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

ESTHER FORMULA84%
Rhionia6%
Generic5%
FOODOLOGY5%

korean supplements demand & seasonality

Weekly Amazon search volume, last 50 weeks — +2.6% search growth over the last 90 days.

Open Trend

Top korean supplements search terms shoppers use

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

korean supplements30K/yr +12.8%0.1% conv.
esther formula glutathione23K/yr +21.2%3.7% conv.
glutathione strips17K/yr +23.2%2.8% conv.
liposomal glutathione strips6K/yr +9.5%3.5% conv.
glutathione strips korean6K/yr +13.7%3.5% conv.
lyuh esther liposomal glutathione direct4K/yr +109.0%5.8% conv.
esther formula9K/yr -21.5%2.7% conv.
esther formula liposomal glutathione strips3K/yr +56.4%5.9% conv.
korean vitamin8K/yr -5.1%0.1% conv.
korean supplements for women7K/yr +18.3%0.1% conv.

All search terms

Top korean supplements 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.

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

All 5 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

ESTHER FORMULA Liposomal Glutathione Strips (30 ct) - Glutathione Direct Antioxidant Support Skin Glow Support | Sublingual Fast-Absorbing Oral Strips | Korean Supplements

ESTHER FORMULA$34.884.1★498 rev

Rhionia Liposomal Pure Glutathione Film Strips 370mg X 30 / 150mg Glutathione Supplement 90% Purity Melt-in-Mouth Format

Rhionia$28.704.2★39 rev

Liposomal Glutathione Ever Film(367mg 30Strips) Glutathione Strips Enhanced-Absorption

Generic$35.064.4★35 rev

FOODOLOGY Coleology Cutting Stick Jelly (Pomegranate) Dietary Fiber Supplement for Healthy Weight Management Chia Seeds & Garcinia Cambogia Korean Beauty with Collagen 10 Sticks

FOODOLOGY$20.514.2★2,979 rev

ESTHER FORMULA Liposomal Glutathione Strips (90 ct) - Glutathione Direct Antioxidant Support Skin Glow Support Sublingual Fast-Absorbing Oral Strips Korean Supplements

ESTHER FORMULA$88.824.1★498 rev

Newest

by launch date

Rhionia Liposomal Pure Glutathione Film Strips 370mg X 30 / 150mg Glutathione Supplement 90% Purity Melt-in-Mouth Format

Rhionia$28.7039 rev

9mo ago

ESTHER FORMULA Liposomal Glutathione Strips (90 ct) - Glutathione Direct Antioxidant Support Skin Glow Support Sublingual Fast-Absorbing Oral Strips Korean Supplements

ESTHER FORMULA$88.82498 rev

10mo ago

ESTHER FORMULA Liposomal Glutathione Strips (30 ct) - Glutathione Direct Antioxidant Support Skin Glow Support | Sublingual Fast-Absorbing Oral Strips | Korean Supplements

ESTHER FORMULA$34.88498 rev

1y ago

Liposomal Glutathione Ever Film(367mg 30Strips) Glutathione Strips Enhanced-Absorption

Generic$35.0635 rev

1y ago

FOODOLOGY Coleology Cutting Stick Jelly (Pomegranate) Dietary Fiber Supplement for Healthy Weight Management Chia Seeds & Garcinia Cambogia Korean Beauty with Collagen 10 Sticks

FOODOLOGY$20.512,979 rev

2y ago

What reviews say buyers love and hate about korean supplements

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

What buyers love

Taste-Overall33%

“GOOD TASTE”

Quality-Overall9%

“This a great quality supplement”

Flavor8%

“Good flavor”

Ease Of Use7%

“Very convenient”

Advertised Vs Actual Product4%

“As described”

Regulates Digestion3%

“Digestion help”

Nutritional Content2%

“Nutrition that is good for my skin”

Energy Level2%

“I just feel like I have more energy in general”

Texture/Consistency-Overall2%

“The consistency”

Weight Loss2%

“it also fits well into my weight loss routine”

What buyers complain about

Functionality-Overall18%

“No results”

Taste-Overall12%

“Taste is pretty strong”

Value For Money7%

“not worth it”

Nutritional Content6%

“seeing that it doesnt have any protein in it”

Side Effects5%

“Serious potential side effects”

Advertised Vs Actual Product4%

“Didn't do what it describes”

Regulates Digestion4%

“Stomach ache bloating constipation”

Allergies4%

“I was allergic to some of the ingredients”

Weight Loss3%

“I really doubt that these do anything for weight loss”

Ingredients-Overall2%

“This substance has a chemical taste”

Top return reasons

Ingredients-Overall50%

Functionality-Overall17%

Certifications17%

Ease Of Use8%

Product Condition8%

Common korean supplements questions

Is korean supplements profitable to sell on Amazon United States?: The niche generates $188K/yr across 5 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +2.6%. Flapen's verdict: Skip it (44/100).
How competitive is the korean supplements niche?: 4 brands and 75 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in korean supplements?: Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Value For Money. The return rate is 0.1%.
What does it cost to enter the korean supplements niche?: Listings span $20.51–$88.82; the average listing price is $41.59 (sweet spot $15–$100). The average incumbent carries 810 reviews — the moat a new listing must climb.