---
title: "Vitamin K2 — $4K/yr Amazon SG Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/sg/health-household-and-personal-care/vitamin-k2"
last_updated: "2026-08-05T23:29:37.015Z"
locale: en
meta:
description: "Niche score 33/100 · $4K/yr market · 3K searches/yr · $23.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 33/100 · $4K/yr market · 3K searches/yr · $23.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Vitamin K2 — $4K/yr Amazon SG Niche (2026) - Flapen"
---
# **vitamin k2**
**Skip it**
A small market ($4K/yr) — this niche doesn't clear our bar today.
Market size 1Growth 4Conversion 58Competition 23Returns 100Price range 90Avg price 95Brand share 13Review moat 25Quality gap 16
**Returns**
**Incredible****0.0%**
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**
**Good****5.0%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****4,540.1**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****72%**
top-5 click share — a locked-up shelf
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****95%**
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 ~~](https://flapen.com/research/methodology)
## **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**
**14**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**72%**
Top 20: 100%
**Open market**
**5%**
- 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.
12575Spike '25Black Friday '25Spike '26Prime Day '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/sg/health-household-and-personal-care/vitamin-k2/trend)
## **Top vitamin k2 search terms**
- **vitamin k2**1K/yr-38.7%3.8% conv. - **vitamin k**573/yr-41.5%6.0% conv. - **vitamin k2 mk7**633/yr-61.5%6.0% conv. [**All search terms **](https://flapen.com/research/sg/health-household-and-personal-care/vitamin-k2/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.
0%10%$40520%$81030%$1K40%$2K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**Now Foods Vitamin K-2 Veg Capsules 100 mcg 100count**Now Foods**$16.00**4.7★10,958 rev](https://www.amazon.sg/dp/B0013EJ5QM) [2**Nutricost Vitamin K2 MK7 Support Bone Health and Cardiovascular Wellness 100 mcg 240 Softgels**Nutricost**$22.13**4.7★6,030 rev](https://www.amazon.sg/dp/B09126BY8S) [3**NOW Supplements Vitamin K2 (MK-7) 300 mcg Extra Strength Supports Bone Health* 60 Veg Capsules**Now Foods**$25.37**4.8★1,290 rev](https://www.amazon.sg/dp/B086QYVQSZ) [4**NOW Supplements Vitamin D-3 & K-2 1 000 IU/45 mcg Plus Cardiovascular Support* Supports Bone Health* 120 Veg Capsules**Now Foods**$12.62**4.8★11,963 rev](https://www.amazon.sg/dp/B0019QT9LA) [5**Doctors Best Natural Vitamin K2 Mk-7 with MenaQ7 60 Count**Doctor's Best**$16.21**4.7★6,217 rev](https://www.amazon.sg/dp/B00O4BQIQQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Swisse Ultiboost Vitamin K2 60 Mini Capsules**Swisse**$30.48**31 rev1y ago](https://www.amazon.sg/dp/B0DT13TZVZ) [**NOW Foods Supplements MK-7 Vitamin K-2 300 mcg Cardiovascular Support* Supports Bone Health* 120 Veg Capsules**Now Foods**$47.68**1,290 rev1y ago](https://www.amazon.sg/dp/B0CS4T611Q) [**Vitamin Complex K2+D3 with Black Pepper | 120 capsules - Bone Density Support & Heart Health Immunity Booster Supplement Fitness Edible Dietary Healthcare**Nano Singapore**$22.62**5 rev2y ago](https://www.amazon.sg/dp/B0CPJ92PN4) [**Nutricost Vitamin K2 MK7 Support Bone Health and Cardiovascular Wellness 100 mcg 240 Softgels**Nutricost**$22.13**6,030 rev5y ago](https://www.amazon.sg/dp/B09126BY8S) [**NatureWise Vitamin K2 Support Strong Bones with VitaMK7 Menaqui-7 90 Count (Pack of 1)**NatureWise**$18.07**980 rev5y ago](https://www.amazon.sg/dp/B08GL27RSG)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Vitamin Complex K2+D3 with Black Pepper | 120 capsules - Bone Density Support & Heart Health Immunity Booster Supplement Fitness Edible Dietary Healthcare**Nano Singapore**$22.62**5.0★**▲ 88%**](https://www.amazon.sg/dp/B0CPJ92PN4) [**NOW Foods Supplements MK-7 Vitamin K-2 300 mcg Cardiovascular Support* Supports Bone Health* 120 Veg Capsules**Now Foods**$47.68**4.8★**▲ 86%**](https://www.amazon.sg/dp/B0CS4T611Q) [**Swisse Ultiboost Vitamin K2 60 Mini Capsules**Swisse**$30.48**4.7★**▲ 67%**](https://www.amazon.sg/dp/B0DT13TZVZ) [**Nutricost Vitamin K2 MK7 Support Bone Health and Cardiovascular Wellness 100 mcg 240 Softgels**Nutricost**$22.13**4.7★**▲ 30%**](https://www.amazon.sg/dp/B09126BY8S) [**Life Extension Super K 90 Softgel**Life Extension**$24.87**4.6★**▲ 20%**](https://www.amazon.sg/dp/B07RL1J9BV)
**~~View all trending →~~**
## **What buyers say about vitamin k2**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**100%
*“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.
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