---
title: "Omega 3 Vitamin D — $22K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/omega-3-vitamin-d"
last_updated: "2026-08-12T05:32:41.924Z"
locale: en
meta:
description: "Amazon product research for omega 3 vitamin d: $22K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for omega 3 vitamin d: $22K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Omega 3 Vitamin D — $22K/mo Amazon US Product Research"
---
# **Omega 3 Vitamin D**
**Skip it**
Soft demand (-14.0% this quarter) — this niche doesn't clear our bar today.
Market size 48Growth 18Conversion 79Competition 27Returns 100Price range 90Avg price 95Brand share 28Review moat 40Quality gap 20
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$29.84**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.67–$48.03**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****8.1%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$264K**
$264K/yr · 109K searches
**Review moat**
**Okay****2,500.21**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****88%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-14.0%**
90-day search growth — must beat 0% to launch
## **Is omega 3 vitamin d profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, omega 3 vitamin d is a $264K/yr Amazon United States market (109K searches/yr). The top 5 brands hold 88% of demand. Verdict: Skip it — 48/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **omega 3 vitamin d market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **10K–13K**
- avg 500–750/product
- **Revenue / yr**
- **$298K–$373K**
- units × avg price
- **Conversion rate**
- **8.1%**
- **Avg BSR**
- **#822**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **3.5%**
- **Avg brand age**
- **84 months**
- **Avg seller age**
- **153 days**
## **Competition: brands, sellers & click share**
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **▼falling
**Sellers**
**587**
**Top-5 brand share**
**88%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**8%**
- Nordic Naturals57% - SIGNIFY NATURE9% - Nature's Bounty9% - NOW Foods8% - Arofum5% - PrimeMD4% - Open — no brand owns it (3 brands, 8%)
## **omega 3 vitamin d demand & seasonality**
Weekly Amazon search volume, last 103 weeks — -14.0% search growth over the last 90 days.
3K2KSpike '24Spike '25 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/health-household/omega-3-vitamin-d/trend)
## **Top omega 3 vitamin d search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **omega d3**11K/yr+9.4%4.0% conv. - **omega 3 with vitamin d**11K/yr+7.0%2.3% conv. - **omega 3 vitamin d**11K/yr-14.7%5.0% conv. - **nordic naturals ultimate omega d3**10K/yr-14.5%14.7% conv. - **omega 3 and vitamin d**9K/yr-16.9%4.8% conv. - **fish oil vitamin d**5K/yr-11.8%7.1% conv. - **omega 3 d3**5K/yr-8.0%6.3% conv. - **fish oil with vitamin d**4K/yr-4.1%6.7% conv. - **vitamin d and omega 3 combo**5K/yr-47.3%5.9% conv. - **fish oil with vitamin d3**5K/yr-11.4%5.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/omega-3-vitamin-d/search-terms)
## **Top omega 3 vitamin d 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%10%$26K20%$53K30%$79K40%$106K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nordic Naturals Ultimate Omega-D3 Lemon Flavor - 90 Soft Gels - 1280 mg Omega-3 + 1000 IU Vitamin D3 - EPA & DHA - Promotes Brain Heart & Immune Health - 45 Servings**Nordic Naturals**$36.96**4.7★8,242 rev](https://www.amazon.com/dp/B07V9P1L27) [2**Nordic Naturals Ultimate Omega-D3 Lemon Flavor - 120 Soft Gels - 1280 mg Omega-3 + 1000 IU Vitamin D3 - EPA & DHA - Promotes Brain Heart & Immune Health - 60 Servings**Nordic Naturals**$46.77**4.7★8,242 rev](https://www.amazon.com/dp/B002CQU550) [3**SIGNIFY NATURE Omega-3 + D3 Fish Oil 1000mg / Vitamin D3 5000IU 90 Softgels**SIGNIFY NATURE**$17.26**4.6★1,164 rev](https://www.amazon.com/dp/B08T8K9NHC) [4**Natures Bounty Omega-3 + D3 Fish Oil 1200mg / Vitamin D3 1000IU 90 softgels**Nature's Bounty**$26.51**4.8★648 rev](https://www.amazon.com/dp/B00BMEHZYM) [5**NOW Supplements Ultra Omega 3-D Omega-3 Fish Oil + Vitamin D-3 Cardiovascular Support* 90 Softgels**NOW Foods**$18.53**4.7★1,544 rev](https://www.amazon.com/dp/B004F1LPOK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Omega 3 Fish Oil with Vitamin D3 | 1280MG Omega3 + 1000IU VIT D3 for Heart Immune & Bone Health Support | EPA DHA Omega 3 Supplement | Sustainably Sourced Non-GMO Fish Oil Vitamin D | 90 Softgels**MAV NUTRITION**$16.64**423 rev11mo ago](https://www.amazon.com/dp/B0FJGD8MP2) [**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**41 rev1y ago](https://www.amazon.com/dp/B0FGQ3B6R5) [**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**975 rev1y ago](https://www.amazon.com/dp/B0FDB3H3S3) [**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**158 rev1y ago](https://www.amazon.com/dp/B0DWGFKXVH) [**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**1,803 rev2y ago](https://www.amazon.com/dp/B0CS6W58MV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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★**▲ 270%**](https://www.amazon.com/dp/B0FGQ3B6R5) [**Oceanblue Professional Omega-3 2100 with Vitamin D3 - Triple Strength DPA EPA DHA Omega 3 Supplement - Burpless Wild Caught Fish Oil - Orange Flavor 180 Count (90 Servings)**Oceanblue**$48.03**4.6★**▲ 222%**](https://www.amazon.com/dp/B09BG3N2KN) [**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★**▲ 80%**](https://www.amazon.com/dp/B0FDB3H3S3) [**Natures Bounty Omega-3 + D3 Fish Oil 1200mg / Vitamin D3 1000IU 90 softgels**Nature's Bounty**$26.51**4.8★**▲ 59%**](https://www.amazon.com/dp/B00BMEHZYM) [**Omega 3 Fish Oil with Vitamin D3 | 1280MG Omega3 + 1000IU VIT D3 for Heart Immune & Bone Health Support | EPA DHA Omega 3 Supplement | Sustainably Sourced Non-GMO Fish Oil Vitamin D | 90 Softgels**MAV NUTRITION**$16.64**4.6★**▲ 25%**](https://www.amazon.com/dp/B0FJGD8MP2)
**~~View all trending →~~**
## **What reviews say buyers love and hate about omega 3 vitamin d**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**17%
*“Excellent product with all of the right extras”*
**Ease Of Chewing/Swallowing**12%
*“Easy to swallow pill”*
**Vitamin**10%
*“there are several kinds of Vitamin K] has really helped me”*
**Value For Money**8%
*“Good Value”*
**Taste-Overall**6%
*“No fishy taste and works well,”*
**Advertised Vs Actual Product**4%
*“Works as advertised”*
**Nutritional Content**3%
*“This is a straight forward supplement that brings several key nutrients”*
**Ingredients-Overall**3%
*“Good clean ingredients”*
**Heart Health**3%
*“Helps my heart better”*
**Dosage**3%
*“Other than that I like the idea that you can take anywhere from one to four tabs depending on what you are striving for health wise”*
### **What buyers complain about **
**Taste-Overall**13%
*“Strong fish after taste”*
**Size-Overall**9%
*“big”*
**Smell**8%
*“smells awful”*
**Dosage**6%
*“not even enough for an entire month”*
**Advertised Vs Actual Product**4%
*“Misleading description”*
**Functionality-Overall**3%
*“didn't work for me”*
**Side Effects**2%
*“These supplements made me so sick”*
**Acid Regulator/Stomach Ache Relief**2%
*“Also have severe stomach pain as another reviewer stated”*
**Quality-Overall**2%
*“Poor quality capsules”*
**Leak-Proof**2%
*“The Capsules Leaked”*
### **Top return reasons **
**Ingredients-Overall**25%
**Size-Overall**25%
**Leak-Proof**25%
**Vitamin**25%
## **Common omega 3 vitamin d questions**
- **Is omega 3 vitamin d profitable to sell on Amazon United States?**
- The niche generates $264K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -14.0%. Flapen's verdict: Skip it (48/100).
- **How competitive is the omega 3 vitamin d niche?**
- 9 brands and 587 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 88% of demand.
- **What do buyers complain about in omega 3 vitamin d?**
- Top complaints mined from reviews: Taste-Overall, Size-Overall, Smell. The return rate is 0.0%.
- **When does demand for omega 3 vitamin d peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the omega 3 vitamin d niche?**
- Listings span $12.67–$48.03; the average listing price is $29.84 (sweet spot $15–$100). The average incumbent carries 2,500 reviews — the moat a new listing must climb.
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