msm powder
Skip itA small market ($67K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great11.0%search→purchase rate — share of searches ending in a sale
Review moat
Good1,157.84avg incumbent reviews — the moat a new listing must climb
Avg price
Okay£11.79avg listing price — sweet spot $15–$100
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay£3.16–£22.26cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Growth
Bad-11.2%90-day search growth — must beat 0% to launch
Market size
Bad£67K£67K/yr · 52K searches
According to Flapen's Amazon United Kingdom niche tracking, msm powder is a £67K/yr Amazon United Kingdom market (52K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Aug. Verdict: Skip it — 46/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
msm powder market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- £47K–£59K
- units × avg price
- Conversion rate
- 11.0%
- Avg BSR
- #68
- Page quality
- 0%
- Prime
- 84%
- Sponsored
- 79%
- Out of stock
- 7.4%
- Avg brand age
- 76 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.Brands
10 falling
Sellers
27
Top-5 brand share
87%
Top 20: 100%
Top-5 click share
58%
Top 20: 100%
Open market
8%
- Vegavero34%
- Peak Supps26%
- UKHealthHouse14%
- Natures Root7%
- DoctorsBEST6%
- Bulk5%
- Open — no brand owns it (4 brands, 8%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -11.2% search growth over the last 90 days.Peak months: Aug · busiest ÷ quietest = 1.7×
Top msm powder 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
MSM Powder 1Kg | Methyl Sulfonyl Methane - 100% Pure Vegan GMO Free No Additives
Peak Supps£15.734.6★475 rev
Vegavero Pure MSM Powder 300 gr | Bag | Distilled Organic Sulphur | NO Additives & Non-GMO | Lab-Tested | 1000 g Per Day | Vegan
Vegavero£12.384.4★7,878 rev
Vegavero Pure MSM Powder 1 kg | Bag | Distilled Organic Sulphur | NO Additives & Non GMO | Lab-Tested | 1000 g Per Day | Vegan
Vegavero£19.164.4★7,878 rev
MSM Powder - Methyl Sulfonyl Methane (500g) 100% Pure Vegan GMO Free No Additives
Peak Supps£9.164.6★475 rev
Vegavero Pure MSM Powder 1 kg | Tub | Distilled Organic Sulphur | NO Additives & Non-GMO | Lab-Tested | 1000 g Per Day | Vegan
Vegavero£19.884.1★1,729 rev
Newest
by launch dateVegavero Pure MSM Powder 300 gr | Bag | Distilled Organic Sulphur | NO Additives & Non-GMO | Lab-Tested | 1000 g Per Day | Vegan
Vegavero£12.387,878 rev
DoctorsBEST Doctors Best - MSM with OptiMSM Powder | High Purity Sulphur Compound for Joint and Skin Health - 250g
DoctorsBEST£22.2613 rev
UKHealthHouse 100% Pure MSM Powder 500g Vegan Methylsulfonylmethane Supplement Joint Muscle & Collagen Support Food Grade Sulphur for Detox & Inflammation Relief
UKHealthHouse£10.7212 rev
UKHealthHouse 100% Pure MSM Powder 250g Vegan Methylsulfonylmethane Supplement Joint Muscle & Collagen Support Food Grade Sulphur for Detox & Inflammation Relief
UKHealthHouse£6.988 rev
UKHealthHouse 100% Pure MSM Powder 100g Vegan Methylsulfonylmethane Supplement Joint Muscle & Collagen Support Food Grade Sulphur for Detox & Inflammation Relief
UKHealthHouse£4.1413 rev
Trending
90-day click momentumUKHealthHouse 100% Pure MSM Powder 250g Vegan Methylsulfonylmethane Supplement Joint Muscle & Collagen Support Food Grade Sulphur for Detox & Inflammation Relief
UKHealthHouse£6.984.8★
Premium MSM Powder 125g (BWFO)
Buy Whole Foods Online£3.164.3★
Vegavero Pure MSM Powder 300 gr | Bag | Distilled Organic Sulphur | NO Additives & Non-GMO | Lab-Tested | 1000 g Per Day | Vegan
Vegavero£12.384.4★
MSM Powder | Pure | Methyl Sulfonyl Methane | Vegan (100g)
Peak Supps£4.024.6★
MSM Powder - Methyl Sulfonyl Methane (500g) 100% Pure Vegan GMO Free No Additives
Peak Supps£9.164.6★
What buyers say about msm powder
What buyers praise and complain about, mined from review topics.What buyers love
“Such a great quality products, the health benefits are excellent if used safely & consistently”
“Works for my joint pain”
“was as advertised”
“hair growing wonderfully”
“Very nice multivitamin”
“Good product for good price”
“- My skin tone completely evened out and became so much brighter and clearer”
“- My skin tone completely evened out and became so much brighter and clearer”
“Good product and dissolves well in drinking bottle”
“Eat clean food”
What buyers complain about
“not a great taste”
“Price has gone up a lot”
“I dont feel any more energised or able to think clearer”
“Vitamins are a con”
“Not good”
“Not natural”
Common questions
- Is msm powder profitable to sell on Amazon United Kingdom?
- The niche generates £67K/yr across 19 tracked products. 90-day search growth is -11.2%. Flapen's verdict: Skip it (46/100).
- How competitive is the msm powder niche?
- 10 brands and 27 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 87% of demand.
- What do buyers complain about in msm powder?
- Top complaints mined from reviews: Taste-Overall, Value For Money, Energy Level. The return rate is 0.1%.
- When does demand for msm powder peak?
- Demand peaks in Aug; the busiest month runs 1.7× the quietest.
- What does it cost to enter the msm powder niche?
- Listings span £3.16–£22.26; the average listing price is £11.79 (sweet spot $15–$100). The average incumbent carries 1,158 reviews — the moat a new listing must climb.