oat milk
Worth a lookShows searches that convert (20.8% search→purchase), but prices mostly outside the sweet spot ($1.59–$14.68) keeps it on the watch list.
Conversion
Incredible20.8%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Market size
Incredible£2.2M£2.2M/yr · 1.5M searches
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Review moat
Okay1,970.18avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-9.0%90-day search growth — must beat 0% to launch
Avg price
Bad£7.14avg listing price — sweet spot $15–$100
Brand share
Bad94%top-5 brand share — brand-locked demand
Price range
Bad£1.59–£14.68cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, oat milk is a £2.2M/yr Amazon United Kingdom market (1.5M searches/yr). The top 5 brands hold 94% of demand. Verdict: Worth a look — 54/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
oat milk market data
- Units sold / yr
- 400K–500K
- avg 15,000–20,000/product
- Revenue / yr
- £2.9M–£3.6M
- units × avg price
- Conversion rate
- 20.8%
- Avg BSR
- #15
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 64%
- Out of stock
- 0.0%
- Avg brand age
- 48 months
- Avg seller age
- 172 days
Competition & brand share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
7 rising
Sellers
79
Top-5 brand share
94%
Top 20: 100%
Top-5 click share
53%
Top 20: 97%
Open market
2%
- OATLY60%
- Alpro16%
- MOMA9%
- Minor Figures5%
- Califia Farms4%
- by Amazon4%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -9.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top oat milk search terms
- oat milk831K/yr
- oatly barista milk168K/yr
- oatly103K/yr
- oat milk barista80K/yr
- moma oat milk48K/yr
- barista oat milk56K/yr
- barista milk19K/yr
- barista18K/yr
- oatly oat milk11K/yr
- oatmilk14K/yr
Top oat milk 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 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Oatly Barista Oat Drink Long Life 6x1Litre
OATLY£9.174.7★4,551 rev
MOMA Barista Oat Drink - 6 x 1L - 100% Plant Based Vegan - Perfect for Frothy Coffee - Made with the whole of the oat for fibre and delicious flavour - No Added Sugar - Vit D B2 and B12
MOMA£8.554.3★2,921 rev
Oatly Whole Oat Drink 1 Litre (Pack of 6)
OATLY£8.964.5★3,394 rev
Oatly Barista Edition Large Pack Long Life (6 x 1.5 Litre)
OATLY£14.684.7★207 rev
Oatly Oat Drink Barista Edition Long Life 1L
OATLY£1.944.7★1,754 rev
Newest
by launch date
by Amazon Oat Barista Milk 6 x 1L
by Amazon£7.19660 rev
MOMA - Extra Creamy Oat Drink - 750ml x 6 100% Plant-Based & Vegan Made with British Oats for Superior Indulgent Rich & Creamy Taste No Added Sugar - Enriched with Vitamins
MOMA£7.95336 rev
Oatly Barista Edition Large Pack Long Life (6 x 1.5 Litre)
OATLY£14.68207 rev
Oatly Oat Drink Long Life Single Serve 20ml (Pack of 100)
OATLY£10.822,205 rev
Oatly Barista Oat Drink Long Life 6x1Litre
OATLY£9.174,551 rev
Trending
90-day click momentum
Morrisons Oat Milk 1 litre
Morrisons£1.594.4★
Oatly Oat Drink Barista Edition Long Life 1L
OATLY£1.944.7★
THE ORIGINAL OATLY BARISTA Long Life 1L ( Pack of 1)
OATLY£1.934.7★
MOMA - Extra Creamy Oat Drink - 750ml x 6 100% Plant-Based & Vegan Made with British Oats for Superior Indulgent Rich & Creamy Taste No Added Sugar - Enriched with Vitamins
MOMA£7.954.5★
Minor Figures Barista Oat Drink 1L Made in The UK Plant-based Vegan Non-GMO No Added Sugar Shelf Stable.
Minor Figures£1.594.5★
What buyers say about oat milk
What buyers praise and complain about, mined from review topics.What buyers love
“Lovely & Creamy & yummy”
“Great value for money”
“Excellent quality oat milk”
“Great flavour”
“Lovely and creamy”
“Handy”
“Its got a good consistency”
“The restore organic gluten-free milk”
“it's genuinely nice—slightly sweet”
“It blends well”
What buyers complain about
“Strange taste”
“certainly not the 'barista style' quality I'm used to in coffee”
“recently it seems to be full of limescale”
“Lumpy bits”
“Lovely milk, terrible price increase”
“Poor Quality and Stale Milk Received”
“Texture”
“Great except recently Ive found hard bits like plasticky flakes in my milk”
“not *thick*”
“Weak”
Top return reasons
Common questions
- Is oat milk profitable to sell on Amazon United Kingdom?
- The niche generates £2.2M/yr across 22 tracked products. 90-day search growth is -9.0%. Flapen's verdict: Worth a look (54/100).
- How competitive is the oat milk niche?
- 7 brands and 79 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 94% of demand.
- What do buyers complain about in oat milk?
- Top complaints mined from reviews: Taste-Overall, Quality-Overall, Dilute/Watery. The return rate is 0.1%.
- When does demand for oat milk peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the oat milk niche?
- Listings span £1.59–£14.68; the average listing price is £7.14 (sweet spot $15–$100). The average incumbent carries 1,970 reviews — the moat a new listing must climb.