omega 3 vitamin d
Skip itSoft demand (-14.0% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$29.84avg listing price — sweet spot $15–$100
Price range
Great$12.67–$48.03cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.1%search→purchase rate — share of searches ending in a sale
Market size
Okay$264K$264K/yr · 109K searches
Review moat
Okay2,500.21avg incumbent reviews — the moat a new listing must climb
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-14.0%90-day search growth — must beat 0% to launch
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
omega 3 vitamin d market data
- 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 & brand 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%)
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — -14.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top omega 3 vitamin d search terms
- omega d311K/yr
- omega 3 with vitamin d11K/yr
- omega 3 vitamin d11K/yr
- nordic naturals ultimate omega d310K/yr
- omega 3 and vitamin d9K/yr
- fish oil vitamin d5K/yr
- omega 3 d35K/yr
- fish oil with vitamin d4K/yr
- vitamin d and omega 3 combo5K/yr
- fish oil with vitamin d35K/yr
Top omega 3 vitamin d 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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$36.964.7★8,242 rev

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$46.774.7★8,242 rev

SIGNIFY NATURE Omega-3 + D3 Fish Oil 1000mg / Vitamin D3 5000IU 90 Softgels
SIGNIFY NATURE$17.264.6★1,164 rev

Natures Bounty Omega-3 + D3 Fish Oil 1200mg / Vitamin D3 1000IU 90 softgels
Nature's Bounty$26.514.8★648 rev

NOW Supplements Ultra Omega 3-D Omega-3 Fish Oil + Vitamin D-3 Cardiovascular Support* 90 Softgels
NOW Foods$18.534.7★1,544 rev
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$16.64423 rev

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$12.6741 rev

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$20.60975 rev

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$45.10158 rev

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$24.701,803 rev
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$12.674.7★

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$48.034.6★

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$20.604.7★

Natures Bounty Omega-3 + D3 Fish Oil 1200mg / Vitamin D3 1000IU 90 softgels
Nature's Bounty$26.514.8★

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$16.644.6★
What buyers say about omega 3 vitamin d
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product with all of the right extras”
“Easy to swallow pill”
“there are several kinds of Vitamin K] has really helped me”
“Good Value”
“No fishy taste and works well,”
“Works as advertised”
“This is a straight forward supplement that brings several key nutrients”
“Good clean ingredients”
“Helps my heart better”
“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
“Strong fish after taste”
“big”
“smells awful”
“not even enough for an entire month”
“Misleading description”
“didn't work for me”
“These supplements made me so sick”
“Also have severe stomach pain as another reviewer stated”
“Poor quality capsules”
“The Capsules Leaked”
Top return reasons
Common 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.