---
title: "Omega 3 Vitamin D3 K2 — $4K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/omega-3-vitamin-d3-k2"
last_updated: "2026-08-12T08:14:58.732Z"
locale: en
meta:
  description: "Amazon product research for omega 3 vitamin d3 k2: $4K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for omega 3 vitamin d3 k2: $4K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Omega 3 Vitamin D3 K2 — $4K/mo Amazon US Product Research"
---

# **Omega 3 Vitamin D3 K2**

**Skip it**

A small market ($43K/yr) — this niche doesn't clear our bar today.

Market size 11Growth 15Conversion 52Competition 39Returns 100Price range 86Avg price 95Brand share 62Review moat 24Quality gap 24

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$30.47**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$9.70–$58.17**

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

**Brand share**

**Good****68%**

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

**Conversion**

**Good****4.2%**

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

**Competition**

**Okay****62%**

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

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****6,151.25**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-20.9%**

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

**Market size**

**Bad****$43K**

$43K/yr · 34K searches

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

## **Is omega 3 vitamin d3 k2 profitable on Amazon?**

According to Flapen's Amazon United States niche tracking, omega 3 vitamin d3 k2 is a $43K/yr Amazon United States market (34K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Jun. Verdict: Skip it — 44/100.

Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **omega 3 vitamin d3 k2 market size & sales**

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

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–2K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$46K–$61K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#601**</dd>

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

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

<dt>**Sponsored**</dt><dd>**90%**</dd>

<dt>**Out of stock**</dt><dd>**2.8%**</dd>

<dt>**Avg brand age**</dt><dd>**59 months**</dd>

<dt>**Avg seller age**</dt><dd>**157 days**</dd>

</dl>

## **Competition: brands, sellers & click share**

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

**Brands**

**16 **▲rising

**Sellers**

**588**

**Top-5 brand share**

**68%**

Top 20: 100%

**Top-5 click share**

**62%**

Top 20: 100%

**Open market**

**23%**

- Wiley's Finest17% - Nordic Naturals15% - PrimeMD14% - The 'Pause Life12% - Arofum10% - Oceanblue9%

## **omega 3 vitamin d3 k2 demand & seasonality**

Weekly Amazon search volume, last 100 weeks — -20.9% search growth over the last 90 days.

5K3KSpike '24Black Friday '24Spike '25Spike '26 seasonDecMarJunAugNovMarMay

Peak months: Jun · busiest ÷ quietest = 4.9×

[**Open Trend **](https://flapen.com/research/us/health-household/omega-3-vitamin-d3-k2/trend)

## **Top omega 3 vitamin d3 k2 search terms shoppers use**

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

- **omega 3 vitamin d3 k2**9K/yr-38.3%5.4% conv. - **omega 3 d3 k2**7K/yr+0.3%4.5% conv. - **omega 3 with d3 and k2**4K/yr+27.2%4.3% conv. - **d3 k2 omega 3**4K/yr+8.4%3.6% conv. - **omega 3 vitamin d and k**7K/yr-48.3%5.6% conv. - **vitamin d3 k2 omega 3**3K/yr-35.6%3.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/omega-3-vitamin-d3-k2/search-terms)

## **Top omega 3 vitamin d3 k2 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.

0%4%$2K8%$3K12%$5K16%$7K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 20 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![4-in-1 Fish Oil Omega 3 Fatty Supplements (2100mg) - Omega 3 Fish Oil with Vitamins D3 K2 and CoQ10 - Lemon Flavored (120 softgels)](https://m.media-amazon.com/images/I/51Jxa5WysoL.jpg)**4-in-1 Fish Oil Omega 3 Fatty Supplements (2100mg) - Omega 3 Fish Oil with Vitamins D3 K2 and CoQ10 - Lemon Flavored (120 softgels)**PrimeMD**$24.70**4.5★1,803 rev](https://www.amazon.com/dp/B0CS6W58MV) [2![Wileys Finest Wild Alaskan Fish Oil Vitamin K2 & D3 Softgels - 500mg of EPA and DHA Omega-3s for Bone and Heart Health Support - 60 Softgels (60 Servings)](https://m.media-amazon.com/images/I/41kC2m8iCsL.jpg)**Wileys Finest Wild Alaskan Fish Oil Vitamin K2 & D3 Softgels - 500mg of EPA and DHA Omega-3s for Bone and Heart Health Support - 60 Softgels (60 Servings)**Wiley's Finest**$36.13**4.8★218 rev](https://www.amazon.com/dp/B0754HSPYH) [3![The Pause Life Omega 3 Vitamin D3 & K2 Fish Oil Supplement 120 Softgels](https://m.media-amazon.com/images/I/31drBW5xdIL.jpg)**The Pause Life Omega 3 Vitamin D3 & K2 Fish Oil Supplement 120 Softgels**The 'Pause Life**$51.61**4.5★139 rev](https://www.amazon.com/dp/B0FJJ8WBVN) [4![Nordic Naturals Ultimate Omega Plant Based Vitamin with Vitamin D3+K2-60 Vegetarian Soft Gels - 1210 mg Omega-3s Plus 2000 IU D3 and 90 mcg K2 - Promotes Brain Health - Non GMO - 30 Servings](https://m.media-amazon.com/images/I/41ZevFMYI6L.jpg)**Nordic Naturals Ultimate Omega Plant Based Vitamin with Vitamin D3+K2-60 Vegetarian Soft Gels - 1210 mg Omega-3s Plus 2000 IU D3 and 90 mcg K2 - Promotes Brain Health - Non GMO - 30 Servings**Nordic Naturals**$45.10**4.8★158 rev](https://www.amazon.com/dp/B0DWGFKXVH) [5![Omega 3 Fish Oil with Vitamin D3 K2 300 Lemon Flavored Burpless Softgels | High EPA & DHA rTG Formula with CoQ10 & Astaxanthin | Gluten-Free Non-GMO](https://m.media-amazon.com/images/I/51FeH-3b8qL.jpg)**Omega 3 Fish Oil with Vitamin D3 K2 300 Lemon Flavored Burpless Softgels | High EPA & DHA rTG Formula with CoQ10 & Astaxanthin | Gluten-Free Non-GMO**Arofum**$20.60**4.7★975 rev](https://www.amazon.com/dp/B0FDB3H3S3)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Vitalitown Vitamin D3 K2 with Fish Oil Omega-3 Supplements 1000mg EPA DHA Omega 3 Fatty Acids from Fresh Wild Caught Fish Support for Heart & Brain Health 120 Softgels](https://m.media-amazon.com/images/I/41GtjzgpAiL.jpg)**Vitalitown Vitamin D3 K2 with Fish Oil Omega-3 Supplements 1000mg EPA DHA Omega 3 Fatty Acids from Fresh Wild Caught Fish Support for Heart & Brain Health 120 Softgels**Vitalitown**$18.21**41 rev6mo ago](https://www.amazon.com/dp/B0FLQ4FV8J) [![Oceanblue Professional Omega-3 2100 with Vitamin K2 and D3 - Triple Strength EPA DHA Omega 3 Supplement - Burpless Wild Caught Fish Oil - Orange Flavor 120 Softgels](https://m.media-amazon.com/images/I/41pxIF1fslL.jpg)**Oceanblue Professional Omega-3 2100 with Vitamin K2 and D3 - Triple Strength EPA DHA Omega 3 Supplement - Burpless Wild Caught Fish Oil - Orange Flavor 120 Softgels**Oceanblue**$36.58**365 rev8mo ago](https://www.amazon.com/dp/B0G3CSH4YN) [![Innate Vitality Omega 3 Fish Oil Supplement 2000mg Fish Oil Per Serving EPA 600mg + DHA 400mg with Vitamins D3 K2 Supports Brain & Heart Health Sustainable & Wild-Caught 60 Softgels](https://m.media-amazon.com/images/I/41dIVbwmULL.jpg)**Innate Vitality Omega 3 Fish Oil Supplement 2000mg Fish Oil Per Serving EPA 600mg + DHA 400mg with Vitamins D3 K2 Supports Brain & Heart Health Sustainable & Wild-Caught 60 Softgels**Innate Vitality**$13.46**80 rev10mo ago](https://www.amazon.com/dp/B0FR95S58T) [![Nutri11 Omega-3 Fish Oil with Vitamin D3 K2 & Astaxanthin Enteric Coated No Fishy Burps Doctor Formulated 60 Liquid Capsules](https://m.media-amazon.com/images/I/41rBlLrUcqL.jpg)**Nutri11 Omega-3 Fish Oil with Vitamin D3 K2 & Astaxanthin Enteric Coated No Fishy Burps Doctor Formulated 60 Liquid Capsules**Nutri11**$39.09**90 rev11mo ago](https://www.amazon.com/dp/B0FNCJD6KG) [![NatureMyst Omega-3 Fish Oil 2000 mg Vitamin D3 K2 (MK-7) 1100 mg Omega-3 Supplements for Women & Men 600 mg EPA 400 mg DHA Bone Heart Brain & Immune Health 60 Softgels](https://m.media-amazon.com/images/I/41AKSDh5anL.jpg)**NatureMyst Omega-3 Fish Oil 2000 mg Vitamin D3 K2 (MK-7) 1100 mg Omega-3 Supplements for Women & Men 600 mg EPA 400 mg DHA Bone Heart Brain & Immune Health 60 Softgels**NatureMyst**$12.62**26 rev11mo ago](https://www.amazon.com/dp/B0FM3WSQNF)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![NatureMyst Omega-3 Fish Oil 2000 mg Vitamin D3 K2 (MK-7) 1100 mg Omega-3 Supplements for Women & Men 600 mg EPA 400 mg DHA Bone Heart Brain & Immune Health 60 Softgels](https://m.media-amazon.com/images/I/41AKSDh5anL.jpg)**NatureMyst Omega-3 Fish Oil 2000 mg Vitamin D3 K2 (MK-7) 1100 mg Omega-3 Supplements for Women & Men 600 mg EPA 400 mg DHA Bone Heart Brain & Immune Health 60 Softgels**NatureMyst**$12.62**4.0★**▲ 304%**](https://www.amazon.com/dp/B0FM3WSQNF) [![Doctors Recipes Omega-3 Fish Oil with Vitamin D3 K2 1100 mg Omega-3 Fatty Acids D3 5000 iu & K2 100 mcg for Healthy Heart Brain Eye Support for Women and Men 60 Softgels](https://m.media-amazon.com/images/I/41Rrp19m-1L.jpg)**Doctors Recipes Omega-3 Fish Oil with Vitamin D3 K2 1100 mg Omega-3 Fatty Acids D3 5000 iu & K2 100 mcg for Healthy Heart Brain Eye Support for Women and Men 60 Softgels**Doctor's Recipes**$12.67**4.7★**▲ 239%**](https://www.amazon.com/dp/B0FGQ3B6R5) [![Innate Vitality Omega 3 Fish Oil Supplement 2000mg Fish Oil Per Serving EPA 600mg + DHA 400mg with Vitamins D3 K2 Supports Brain & Heart Health Sustainable & Wild-Caught 60 Softgels](https://m.media-amazon.com/images/I/41dIVbwmULL.jpg)**Innate Vitality Omega 3 Fish Oil Supplement 2000mg Fish Oil Per Serving EPA 600mg + DHA 400mg with Vitamins D3 K2 Supports Brain & Heart Health Sustainable & Wild-Caught 60 Softgels**Innate Vitality**$13.46**4.8★**▲ 185%**](https://www.amazon.com/dp/B0FR95S58T) [![Oceanblue Professional Omega-3 2100 with Vitamin K2 and D3 - Triple Strength EPA DHA Omega 3 Supplement - Burpless Wild Caught Fish Oil - Orange Flavor 120 Softgels](https://m.media-amazon.com/images/I/41pxIF1fslL.jpg)**Oceanblue Professional Omega-3 2100 with Vitamin K2 and D3 - Triple Strength EPA DHA Omega 3 Supplement - Burpless Wild Caught Fish Oil - Orange Flavor 120 Softgels**Oceanblue**$36.58**4.4★**▲ 169%**](https://www.amazon.com/dp/B0G3CSH4YN) [![Nordic Naturals Ultimate Omega Mini D3 Lemon Flavor - 60 Mini Soft Gels - 1120 mg Omega-3 + 1000 IU Vitamin D3 - EPA & DHA - Promotes Brain & Heart Health - 30 Servings](https://m.media-amazon.com/images/I/41iz7puXj0L.jpg)**Nordic Naturals Ultimate Omega Mini D3 Lemon Flavor - 60 Mini Soft Gels - 1120 mg Omega-3 + 1000 IU Vitamin D3 - EPA & DHA - Promotes Brain & Heart Health - 30 Servings**Nordic Naturals**$30.98**4.7★**▲ 111%**](https://www.amazon.com/dp/B06XS2TKTB)

**~~View all trending →~~**

## **What reviews say buyers love and hate about omega 3 vitamin d3 k2**

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

### **What buyers love **

**Quality-Overall**20%

*“consistent in quality”*

**Vitamin**17%

*“Great vitamin”*

**Ease Of Chewing/Swallowing**8%

*“Easy to swallow pill”*

**Value For Money**7%

*“They are affordable”*

**Taste-Overall**4%

*“Doesn't taste bad”*

**Advertised Vs Actual Product**3%

*“As advertised”*

**Ease Of Use**3%

*“which makes it easy to keep track of”*

**Nutritional Content**3%

*“Good Supplement”*

**Energy Level**2%

*“energy boost”*

**Dosage**2%

*“I also like the dosage balance here”*

### **What buyers complain about **

**Taste-Overall**11%

*“Did not taste good”*

**Dosage**9%

*“The dosing is too high”*

**Size-Overall**7%

*“Small”*

**Vitamin**6%

*“Wish it had Vitamin A also”*

**Value For Money**4%

*“Too expensive”*

**Smell**3%

*“smells awful”*

**Side Effects**3%

*“Made me nauseas and have headaches”*

**Quality-Overall**2%

*“Poor quality capsules”*

**Advertised Vs Actual Product**2%

*“Misleading description”*

**Allergies**2%

*“Can cause allergic reaction”*

### **Top return reasons **

**Value For Money**32%

**Vitamin**9%

**Dosage**8%

**Ingredients-Overall**8%

**Advertised Vs Actual Product**7%

**Functionality-Overall**6%

**Size-Overall**6%

**Vegan/Organic**4%

**Smell**4%

**Hard Feel**3%

## **Common omega 3 vitamin d3 k2 questions**

<dl>

<dt>**Is omega 3 vitamin d3 k2 profitable to sell on Amazon United States?**</dt><dd>The niche generates $43K/yr across 20 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is -20.9%. Flapen's verdict: Skip it (44/100).</dd>

<dt>**How competitive is the omega 3 vitamin d3 k2 niche?**</dt><dd>16 brands and 588 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 68% of demand.</dd>

<dt>**What do buyers complain about in omega 3 vitamin d3 k2?**</dt><dd>Top complaints mined from reviews: Taste-Overall, Dosage, Size-Overall. The return rate is 0.0%.</dd>

<dt>**When does demand for omega 3 vitamin d3 k2 peak?**</dt><dd>Demand peaks in Jun; the busiest month runs 4.9× the quietest.</dd>

<dt>**What does it cost to enter the omega 3 vitamin d3 k2 niche?**</dt><dd>Listings span $9.70–$58.17; the average listing price is $30.47 (sweet spot $15–$100). The average incumbent carries 6,151 reviews — the moat a new listing must climb.</dd>

</dl>

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