methylated seed oil
Worth a lookShows searches that convert (18.1% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Conversion
Incredible18.1%search→purchase rate — share of searches ending in a sale
Growth
Incredible+225.9%90-day search growth — must beat 0% to launch
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Incredible$23.44avg listing price — sweet spot $15–$100
Price range
Great$14.76–$37.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$267K$267K/yr · 63K searches
Review moat
Okay3,526.71avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad91%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, methylated seed oil is a $267K/yr Amazon United States market (63K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
methylated seed oil market data
- Units sold / yr
- 10K–13K
- avg 1,500–2,000/product
- Revenue / yr
- $234K–$293K
- units × avg price
- Conversion rate
- 18.1%
- Avg BSR
- #301
- Page quality
- 0%
- Prime
- 71%
- Sponsored
- 57%
- Out of stock
- 0.0%
- Avg brand age
- 76 months
- Avg seller age
- 174 days
Competition & brand share
The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 flat
Sellers
27
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
91%
Top 20: 100%
Open market
0%
- Southern Ag48%
- Daisy J&M30%
- ProSolutions18%
- Liquid Harvest5%
- Open — no brand owns it (0%)
Demand
Weekly Amazon search volume, last 12 weeks — +225.9% search growth over the last 90 days.Top methylated seed oil search terms
- methylated seed oil26K/yr
- mso surfactant for herbicide8K/yr
- methylated seed oil surfactant7K/yr
- mso surfactant6K/yr
- methylated seed oil for herbicide9K/yr
- mso7K/yr
Top methylated seed oil 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 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Daisy J&M Methylated Seed Oil (MSO) 32oz | Premium Grade Emulsifier and Surfactant
Daisy J&M$21.854.6★78 rev

Southern Ag Methylated Seed Oil (MSO) Surfactant (Quart - 32oz)
Southern Ag$21.274.7★1,588 rev

Southern Ag Surfactant for Herbicides Non-Ionic 16oz 1 Pint
Southern Ag$14.764.6★17,846 rev

ProSolutions MSO (Methylated Seed Oil) Quart
ProSolutions$19.834.5★105 rev

ProSolutions MSO (Methylated Seed Oil) Gallon
ProSolutions$37.914.8★40 rev
Newest
by launch date
Daisy J&M Methylated Seed Oil (MSO) 32oz | Premium Grade Emulsifier and Surfactant
Daisy J&M$21.8578 rev

ProSolutions MSO (Methylated Seed Oil) Gallon
ProSolutions$37.9140 rev

ProSolutions MSO (Methylated Seed Oil) Quart
ProSolutions$19.83105 rev

Concentrated Surfactant for Herbicides Non-Ionic 16oz Increase Product Coverage Increase Product Penetration Increase Product Effectiveness
Liquid Harvest$16.562,214 rev

Southern Ag Methylated Seed Oil (MSO) Surfactant (Quart - 32oz)
Southern Ag$21.271,588 rev
Trending
90-day click momentum
Southern Ag Surfactant for Herbicides Non-Ionic 16oz 1 Pint
Southern Ag$14.764.6★

Daisy J&M Methylated Seed Oil (MSO) 32oz | Premium Grade Emulsifier and Surfactant
Daisy J&M$21.854.6★

ProSolutions MSO (Methylated Seed Oil) Quart
ProSolutions$19.834.5★

ProSolutions MSO (Methylated Seed Oil) Gallon
ProSolutions$37.914.8★

Concentrated Surfactant for Herbicides Non-Ionic 16oz Increase Product Coverage Increase Product Penetration Increase Product Effectiveness
Liquid Harvest$16.564.6★
What buyers say about methylated seed oil
What buyers praise and complain about, mined from review topics.What buyers love
“AS ADVERTISED”
“High quality product”
“Great value”
“Helps the chemicals adhere to the weeds”
“nice surfactant for yard sprays”
“Excellent addition to your lawn”
“meaning one bottle lasts a long time”
“making it convenient for small batches”
“Great to make things stick”
“Easy use with measuring detail on bottle”
What buyers complain about
“Did not work”
“bottle leaked during shipping”
“Very tiny size”
“It seems a little more expensive than the non-ionic surfactant so I would go by Price alone in choosing one”
“Junk”
“Product invalid”
“no direction for use”
“Hard to pour”
“my herbicide didn't work”
“But whenever poured from the bottle a lot of the product ends up running down the front of the bottle instead of into the sprayer”
Top return reasons
Common questions
- Is methylated seed oil profitable to sell on Amazon United States?
- The niche generates $267K/yr across 7 tracked products. 90-day search growth is +225.9%. Flapen's verdict: Worth a look (56/100).
- How competitive is the methylated seed oil niche?
- 4 brands and 27 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in methylated seed oil?
- Top complaints mined from reviews: Functionality-Overall, Leak-Proof, Size-Overall. The return rate is 0.6%.
- What does it cost to enter the methylated seed oil niche?
- Listings span $14.76–$37.91; the average listing price is $23.44 (sweet spot $15–$100). The average incumbent carries 3,527 reviews — the moat a new listing must climb.