zma
Worth a lookShows low returns (0.1%), but soft demand (-33.7% this quarter) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great10.9%search→purchase rate — share of searches ending in a sale
Brand share
Good65%top-5 brand share — brands hold most of the demand
Price range
Good£4.43–£34.02cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good£13.12avg listing price — sweet spot $15–$100
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Market size
Okay£254K£254K/yr · 177K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,064.6avg incumbent reviews — the moat a new listing must climb
Growth
Bad-33.7%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, zma is a £254K/yr Amazon United Kingdom market (177K searches/yr). The top 5 brands hold 65% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
zma market data
- Units sold / yr
- 15K–20K
- avg 500–750/product
- Revenue / yr
- £197K–£262K
- units × avg price
- Conversion rate
- 10.9%
- Avg BSR
- #166
- Page quality
- 0%
- Prime
- 84%
- Sponsored
- 76%
- Out of stock
- 4.7%
- Avg brand age
- 58 months
- Avg seller age
- 158 days
Competition & brand share
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.Brands
20 rising
Sellers
41
Top-5 brand share
65%
Top 20: 100%
Top-5 click share
51%
Top 20: 95%
Open market
31%
- Nutravita31%
- Iron Labs Nutrition15%
- Myprotein7%
- Bulk6%
- Optimum Nutrition5%
- Applied Nutrition5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -33.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top zma search terms
- zma100K/yr
- zma supplements for men47K/yr
- zma tablets6K/yr
- zinc magnesium and vitamin b67K/yr
- zma supplement10K/yr
- zma supplement for women7K/yr
Top zma 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nutravita ZM+ Supplements for Men & Women - 180 High Strength Tablets (6 Months) - Vegan Supplement Zinc Magnesium Vitamin B6 - Sleep Aid Muscle Recovery Supports Testosterone Levels - UK Made
Nutravita£7.144.5★801 rev
Nutravita ZMA High Strength - 120 Vegan Capsules - Test Booster - Contributes to Testosterone Levels Normal Muscle Function & Energy Yielding Metabolism - Zinc Magnesium & Vitamin B6
Nutravita£14.044.5★801 rev
ZM6 High Strength Zinc Magnesium Supplements for Men & Women 180 Capsules
Iron Labs Nutrition£15.644.4★2,320 rev
ZM6 High Strength Zinc Magnesium Supplements for Men & Women 360 Capsules
Iron Labs Nutrition£28.124.4★2,320 rev
Optimum Nutrition On ZMA New EU Produced Capsules - Pack of 90
Optimum Nutrition£31.754.5★911 rev
Newest
by launch date
Ultra ZMA Magnesium Bisglycinate Supplement with Zinc & Vitamin B6 (90 Vegan Caps) - High Absorption ZMA Capsules for Men & Women | Supports Sleep Muscle Recovery Energy Immune Health
REFINED NUTRITION£15.2013 rev
Myprotein ZMA Capsules Zinc Magnesium & Vitamin B6 Supports Muscle Recovery Immune Health & Sleep VeganFriendly (90 Count (Pack of 1))
Myprotein£14.6114 rev
Applied Nutrition Zinc Magnesium & Vitamin B6 with Ashwagandha Capsules - Natural Support for Hormonal Balance Sleep Support & Stress Relief - 90 Capsules (30 Servings)
Applied Nutrition£16.3427 rev
StayPrime ZMAN+ Supplements for Men - 60 Capsules - Zinc Magnesium Glycinate Boron Vitamin D & Vitamin B6 - Sleep Support Energy and Muscle Recovery - High Strength
StayPrime£15.1935 rev
Bulk Zinc & Magnesium Capsules 60 Capsules
Bulk£6.038 rev
Trending
90-day click momentumBulk Zinc & Magnesium Capsules 60 Capsules
Bulk£6.034.7★
Warrior Zinc and Magnesium Tablets 60 Tabs Contains Vitamin B6 High Strength Over 1000mg Per Serving Supplement to Improve Sleep Quality Recovery Suitable for Vegans & Vegetarians
Warrior£4.674.8★
ESN Zinc Capsules 120 Vegan Capsules 120 Servings 0.21 lbs Laboratory Tested Made in Germany
ESN£6.674.6★
Bulk ZMA Capsules Pack of 270 810 mg
Bulk£34.024.4★
Myprotein ZMA Capsules Zinc Magnesium & Vitamin B6 Supports Muscle Recovery Immune Health & Sleep VeganFriendly (90 Count (Pack of 1))
Myprotein£14.614.6★
What buyers say about zma
What buyers praise and complain about, mined from review topics.What buyers love
“sleep more deeply”
“Good quality and value arrived quickly”
“best magnesium”
“Fair price”
“As Advertised”
“Muscle pain improved”
“Keeps on working”
“i've found no problem in swallowing them”
“Easy to use”
“The supplements really work”
What buyers complain about
“still cant sleep”
“This magnesium does not work”
“It does absolutely nothing”
“Gives you stomach cramps”
“The dosage is far too high”
“Quite big tablets”
“Will make you ill”
“Misleading Product”
“Waste of money”
“Bad quality sleep”
Top return reasons
Common questions
- Is zma profitable to sell on Amazon United Kingdom?
- The niche generates £254K/yr across 25 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -33.7%. Flapen's verdict: Worth a look (55/100).
- How competitive is the zma niche?
- 20 brands and 41 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 65% of demand.
- What do buyers complain about in zma?
- Top complaints mined from reviews: Sleep Quality, Magnesium, Functionality-Overall. The return rate is 0.1%.
- When does demand for zma peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the zma niche?
- Listings span £4.43–£34.02; the average listing price is £13.12 (sweet spot $15–$100). The average incumbent carries 2,065 reviews — the moat a new listing must climb.