---
title: "Crown Her Naturals D3- K2 — $109K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/crown-her-naturals-d3-k2"
last_updated: "2026-08-11T12:40:00.674Z"
locale: en
meta:
  description: "Niche score 39/100 · $109K/yr market · 22K searches/yr · $29.31 avg price. Doesn't clear our bar today. Data updated Aug 2026."
  "og:description": "Niche score 39/100 · $109K/yr market · 22K searches/yr · $29.31 avg price. Doesn't clear our bar today. Data updated Aug 2026."
  "og:title": "Crown Her Naturals D3- K2 — $109K/yr Amazon US Niche (2026) - Flapen"
---

# **crown her naturals d3- k2**

**Skip it**

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

Market size 26Growth 11Conversion 98Competition 0Returns 100Price range 95Avg price 95Brand share 0Review moat 24Quality gap 30

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****16.7%**

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

**Avg price**

**Incredible****$29.31**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$27.40–$31.32**

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

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****$109K**

$109K/yr · 22K searches

**Review moat**

**Bad****5,956.33**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-28.9%**

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

**Competition**

**Bad****100%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

According to Flapen's Amazon United States niche tracking, crown her naturals d3- k2 is a $109K/yr Amazon United States market (22K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 39/100.

Data updated Aug 5, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **crown her naturals d3- k2 market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–2K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$44K–$59K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**16.7%**</dd>

<dt>**Avg BSR**</dt><dd>**#331**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**67%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**50 months**</dd>

<dt>**Avg seller age**</dt><dd>**170 days**</dd>

</dl>

## **Competition & brand share**

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

**Brands**

**3 **

**Sellers**

**9**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**100%**

Top 20: 100%

**Open market**

**0%**

- GROHESE46% - SCEZROB45% - Micro Ingredients10%

## **Demand**

Weekly Amazon search volume, last 31 weeks — -28.9% search growth over the last 90 days.

1K750Spike '26Jan '26Feb '26Mar '26Apr '26May '26Jun '26

[**Open Trend **](https://flapen.com/research/us/health-household/crown-her-naturals-d3-k2/trend)

## **Top crown her naturals d3- k2 search terms**

- **crown her natural vitamin d3 k2**4K/yr-7.6%11.9% conv. - **crown her naturals d3- k2**7K/yr-31.7%3.1% conv. - **crownher naturals d3 k2**6K/yr-37.6%11.8% conv. - **crownher natural vitamin d3 k2**4K/yr-42.1%9.1% conv. - **crownher d3 k2**3K/yr-42.9%0.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/crown-her-naturals-d3-k2/search-terms)

## **Top crown her naturals d3- 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%15%$16K30%$33K45%$49K60%$66K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 3 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![GROHESE Naturals D3 K2 Essentials Vitamin D3 K2 Vitamin D3 K2 10000 IU+ K2 200 mcg MK-7 Coconut Oil Extra Strength Bone & Immune Support 180 Softgels](https://m.media-amazon.com/images/I/41Q5B6Icg0L.jpg)**GROHESE Naturals D3 K2 Essentials Vitamin D3 K2 Vitamin D3 K2 10000 IU+ K2 200 mcg MK-7 Coconut Oil Extra Strength Bone & Immune Support 180 Softgels**GROHESE**$27.40**4.4★45 rev](https://www.amazon.com/dp/B0G1MC1Z69) [2![SCEZROB Naturals D3 K2 Vitamin D3 10000 IU + K2 200 MCG Vitamin D3 & K2 Coconut Oil Softgels Capsules for Bone Immune Health Boosts Energy & Calcium Absorption 180 Gels (1)](https://m.media-amazon.com/images/I/41XzHRVl1vL.jpg)**SCEZROB Naturals D3 K2 Vitamin D3 10000 IU + K2 200 MCG Vitamin D3 & K2 Coconut Oil Softgels Capsules for Bone Immune Health Boosts Energy & Calcium Absorption 180 Gels (1)**SCEZROB**$29.22**4.6★81 rev](https://www.amazon.com/dp/B0FYHZ7MWB) [3![Micro Ingredients Vitamin D3 K2 MK-7 10 000 IU Per Serving 300 Softgels](https://m.media-amazon.com/images/I/41OtEtC3WeL.jpg)**Micro Ingredients Vitamin D3 K2 MK-7 10 000 IU Per Serving 300 Softgels**Micro Ingredients**$31.32**4.7★17,743 rev](https://www.amazon.com/dp/B07YMJLTR6)

### **Newest**

by launch date

[![GROHESE Naturals D3 K2 Essentials Vitamin D3 K2 Vitamin D3 K2 10000 IU+ K2 200 mcg MK-7 Coconut Oil Extra Strength Bone & Immune Support 180 Softgels](https://m.media-amazon.com/images/I/41Q5B6Icg0L.jpg)**GROHESE Naturals D3 K2 Essentials Vitamin D3 K2 Vitamin D3 K2 10000 IU+ K2 200 mcg MK-7 Coconut Oil Extra Strength Bone & Immune Support 180 Softgels**GROHESE**$27.40**45 rev8mo ago](https://www.amazon.com/dp/B0G1MC1Z69) [![SCEZROB Naturals D3 K2 Vitamin D3 10000 IU + K2 200 MCG Vitamin D3 & K2 Coconut Oil Softgels Capsules for Bone Immune Health Boosts Energy & Calcium Absorption 180 Gels (1)](https://m.media-amazon.com/images/I/41XzHRVl1vL.jpg)**SCEZROB Naturals D3 K2 Vitamin D3 10000 IU + K2 200 MCG Vitamin D3 & K2 Coconut Oil Softgels Capsules for Bone Immune Health Boosts Energy & Calcium Absorption 180 Gels (1)**SCEZROB**$29.22**81 rev9mo ago](https://www.amazon.com/dp/B0FYHZ7MWB) [![Micro Ingredients Vitamin D3 K2 MK-7 10 000 IU Per Serving 300 Softgels](https://m.media-amazon.com/images/I/41OtEtC3WeL.jpg)**Micro Ingredients Vitamin D3 K2 MK-7 10 000 IU Per Serving 300 Softgels**Micro Ingredients**$31.32**17,743 rev10y ago](https://www.amazon.com/dp/B07YMJLTR6)

### **Trending**

90-day click momentum

[![GROHESE Naturals D3 K2 Essentials Vitamin D3 K2 Vitamin D3 K2 10000 IU+ K2 200 mcg MK-7 Coconut Oil Extra Strength Bone & Immune Support 180 Softgels](https://m.media-amazon.com/images/I/41Q5B6Icg0L.jpg)**GROHESE Naturals D3 K2 Essentials Vitamin D3 K2 Vitamin D3 K2 10000 IU+ K2 200 mcg MK-7 Coconut Oil Extra Strength Bone & Immune Support 180 Softgels**GROHESE**$27.40**4.4★**▲ 270%**](https://www.amazon.com/dp/B0G1MC1Z69) [![SCEZROB Naturals D3 K2 Vitamin D3 10000 IU + K2 200 MCG Vitamin D3 & K2 Coconut Oil Softgels Capsules for Bone Immune Health Boosts Energy & Calcium Absorption 180 Gels (1)](https://m.media-amazon.com/images/I/41XzHRVl1vL.jpg)**SCEZROB Naturals D3 K2 Vitamin D3 10000 IU + K2 200 MCG Vitamin D3 & K2 Coconut Oil Softgels Capsules for Bone Immune Health Boosts Energy & Calcium Absorption 180 Gels (1)**SCEZROB**$29.22**4.6★**— 6%**](https://www.amazon.com/dp/B0FYHZ7MWB) [![Micro Ingredients Vitamin D3 K2 MK-7 10 000 IU Per Serving 300 Softgels](https://m.media-amazon.com/images/I/41OtEtC3WeL.jpg)**Micro Ingredients Vitamin D3 K2 MK-7 10 000 IU Per Serving 300 Softgels**Micro Ingredients**$31.32**4.7★**▼ 76%**](https://www.amazon.com/dp/B07YMJLTR6)

## **What buyers say about crown her naturals d3- k2**

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

### **What buyers love **

**Vitamin**20%

*“Vitamin D have been great”*

**Quality-Overall**18%

*“Good product and came in good conditions”*

**Ease Of Chewing/Swallowing**10%

*“The capsules are easy to take”*

**Value For Money**10%

*“Good value”*

**Ease Of Use**5%

*“Very convenient”*

**Dosage**4%

*“Convenient once-daily dosing”*

**Efficiency**4%

*“Very Effective”*

**Advertised Vs Actual Product**3%

*“As written Description”*

**Ingredients-Overall**3%

*“Better ingredients”*

**Size-Overall**2%

*“Getting fit”*

### **What buyers complain about **

**Vitamin**19%

*“Be very careful with this vitamin”*

**Dosage**9%

*“There are lower dosage options out there”*

**Size-Overall**8%

*“Extra Small capsules”*

**Side Effects**5%

*“talk to your doctor because this product may do more harm than good”*

**Value For Money**4%

*“they've gotten stupid expensive”*

**Calcium**3%

*“You can get calcium build up from taking too much”*

**Advertised Vs Actual Product**3%

*“False advertisement”*

**Taste-Overall**2%

*“The pill has no taste”*

**Functionality-Overall**2%

*“Did not work for me”*

**Regulates Digestion**2%

*“This will cause long term effects in your kidneys :/”*

### **Top return reasons **

**Dosage**100%

## **Common questions**

<dl>

<dt>**Is crown her naturals d3- k2 profitable to sell on Amazon United States?**</dt><dd>The niche generates $109K/yr across 3 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -28.9%. Flapen's verdict: Skip it (39/100).</dd>

<dt>**How competitive is the crown her naturals d3- k2 niche?**</dt><dd>3 brands and 9 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in crown her naturals d3- k2?**</dt><dd>Top complaints mined from reviews: Vitamin, Dosage, Size-Overall. The return rate is 0.0%.</dd>

<dt>**What does it cost to enter the crown her naturals d3- k2 niche?**</dt><dd>Listings span $27.40–$31.32; the average listing price is $29.31 (sweet spot $15–$100). The average incumbent carries 5,956 reviews — the moat a new listing must climb.</dd>

</dl>

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