Is vitamin k2 profitable to sell on Amazon Singapore?

The niche generates $4K/yr across 10 tracked products. 90-day search growth is -41.0%. Flapen's verdict: Skip it (33/100).

How competitive is the vitamin k2 niche?

7 brands and 14 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 95% of demand.

What does it cost to enter the vitamin k2 niche?

Listings span $12.62–$47.68; the average listing price is $23.61 (sweet spot $15–$100). The average incumbent carries 4,540 reviews — the moat a new listing must climb.

vitamin k2

Skip it

A small market ($4K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$23.61

avg listing price — sweet spot $15–$100

Price range

Great$12.62–$47.68

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

Conversion

Good5.0%

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

Review moat

Bad4,540.1

avg incumbent reviews — the moat a new listing must climb

Competition

Bad72%

top-5 click share — a locked-up shelf

Quality gap

Bad4.8★

avg incumbent rating — lower means beatable quality

Brand share

Bad95%

top-5 brand share — brand-locked demand

Growth

Bad-41.0%

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

Market size

Bad$4K

$4K/yr · 3K searches

According to Flapen's Amazon Singapore niche tracking, vitamin k2 is a $4K/yr Amazon Singapore market (3K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 33/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

vitamin k2 market data

Units sold / yr: 250–500; avg 0–100/product
Revenue / yr: $6K–$12K; units × avg price
Conversion rate: 5.0%
Avg BSR: #304
Page quality: 0%
Prime: 40%
Sponsored: 10%
Out of stock: 1.8%
Avg brand age: 89 months
Avg seller age: 0 days

Competition & brand share

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 flat

Sellers

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

72%

Top 20: 100%

Open market

Now Foods57%
Nutricost12%
Doctor's Best9%
Nano Singapore6%
Swisse6%
Life Extension6%
Open — no brand owns it (1 brand, 5%)

Demand

Weekly Amazon search volume, last 46 weeks — -41.0% search growth over the last 90 days.

Open Trend

Top vitamin k2 search terms

vitamin k21K/yr -38.7%3.8% conv.
vitamin k573/yr -41.5%6.0% conv.
vitamin k2 mk7633/yr -61.5%6.0% conv.

All search terms

Top vitamin k2 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.

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

All 10 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Now Foods Vitamin K-2 Veg Capsules 100 mcg 100count

Now Foods$16.004.7★10,958 rev

Nutricost Vitamin K2 MK7 Support Bone Health and Cardiovascular Wellness 100 mcg 240 Softgels

Nutricost$22.134.7★6,030 rev

NOW Supplements Vitamin K2 (MK-7) 300 mcg Extra Strength Supports Bone Health* 60 Veg Capsules

Now Foods$25.374.8★1,290 rev

NOW Supplements Vitamin D-3 & K-2 1 000 IU/45 mcg Plus Cardiovascular Support* Supports Bone Health* 120 Veg Capsules

Now Foods$12.624.8★11,963 rev

Doctors Best Natural Vitamin K2 Mk-7 with MenaQ7 60 Count

Doctor's Best$16.214.7★6,217 rev

Newest

by launch date

Swisse Ultiboost Vitamin K2 60 Mini Capsules

Swisse$30.4831 rev

1y ago

NOW Foods Supplements MK-7 Vitamin K-2 300 mcg Cardiovascular Support* Supports Bone Health* 120 Veg Capsules

Now Foods$47.681,290 rev

1y ago

Vitamin Complex K2+D3 with Black Pepper | 120 capsules - Bone Density Support & Heart Health Immunity Booster Supplement Fitness Edible Dietary Healthcare

Nano Singapore$22.625 rev

2y ago

Nutricost Vitamin K2 MK7 Support Bone Health and Cardiovascular Wellness 100 mcg 240 Softgels

Nutricost$22.136,030 rev

5y ago

NatureWise Vitamin K2 Support Strong Bones with VitaMK7 Menaqui-7 90 Count (Pack of 1)

NatureWise$18.07980 rev

5y ago

What buyers say about vitamin k2

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

What buyers love

Vitamin100%

“Good supplement”

Common questions

Is vitamin k2 profitable to sell on Amazon Singapore?: The niche generates $4K/yr across 10 tracked products. 90-day search growth is -41.0%. Flapen's verdict: Skip it (33/100).
How competitive is the vitamin k2 niche?: 7 brands and 14 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 95% of demand.
What does it cost to enter the vitamin k2 niche?: Listings span $12.62–$47.68; the average listing price is $23.61 (sweet spot $15–$100). The average incumbent carries 4,540 reviews — the moat a new listing must climb.