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Zma

Maybe

An estimated 0.1% of orders come back. But demand is soft, at -33.7% this quarter, so Zma is a Maybe.

Flapen Score
55
55 / 100
Top 21% of 2,035 Health & Personal Care niches · +7 vs the category median of 48
Market size
£254K/yr177K searches / yr
90-day growth
-33.7%search demand this quarter
Competition
51%top-5 click share · 20 brands · 41 sellers

Flapen Score

Zma against its category

The dotted line is the Health & Personal Care average. Past it, Zma is stronger. Inside it, weaker.

55Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Zma market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Zma 177K times last year and spent an estimated £254K. The top 5 brands take 65% of clicks. Flapen scores it 55 out of 100, a Maybe.

01 · Demand

An estimated 10.9% of those searches ended in a purchase.

Shoppers searched for this 177K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 10.9% of those searches ended in a purchase. Searches in the last 90 days moved -33.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £254K a year.

Searches, last 12 months
177K
Growth, 90 days vs prior 90
-33.7%
Conversion, latest week
10.9%
Market size, estimated
£254Ka year
Peak month
February1.4× the quietest month
Top search term
zma100K searches a year

02 · Price

A sale here is worth £13.12.

Listings sell for £13.12 on average, from £4.43 to £34.02. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 500 to 750 of them. At £13.12 that is £7K to £10K a year per listing.

Average price
£13.12under the $15 to $100 sweet spot
Price range
£4.43–£34.02
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
15K–20K
Units per listing a year
500–750
Revenue per listing a year
£7K–£10K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

76% of listings pay for placement with sponsored ads. 84% ship with Prime. On an average day, 4.7% of listings are out of stock. The average listing ranks #166 within Diet & Nutrition. It carries 2,065 reviews at 4.48 stars, so a new listing needs social proof before a better product.

Sponsored listings
76%
Prime listings
84%
Out of stock, average day
4.7%
Average rank
#166in Diet & Nutrition
Average rating
4.48 starsAmazon United Kingdom average 4.36 stars
Average reviews
2,065per listing
Listings tracked
25

04 · Newcomers

0 of last year's 2 launches cleared the first-year sales bar.

2 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 58 months on average, so the names here are settling in.

Launched, last 12 months
2
Successful launches
0Amazon's first-year sales bar
Average brand age
58 months

Products

Top Zma products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 51% of clicks. Leaders hold, but buyers still shop past them.

£0£13K£25K£38K£51K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

20 rising

Sellers

41

Est. top-5 brand share

65%

Top 20: 100%

Est. top-5 click share

51%

Top 20: 95%

Open market

31%

  • Nutravita31%
  • Iron Labs Nutrition15%
  • Myprotein7%
  • Bulk6%
  • Optimum Nutrition5%
  • Applied Nutrition5%

Demand

Zma search demand

Weekly searches over the year, seasonality beneath. Pick a range.

5K3KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Search terms

Top Zma search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • zma100K/yr
  • zma supplements for men47K/yr
  • zma tablets6K/yr
  • zinc magnesium and vitamin b67K/yr
  • zma supplement10K/yr
  • zma supplement for women7K/yr

Reviews and returns

What reviews say buyers love and hate about Zma

We read the reviews and the return reasons for every product selling here.

27%of positive reviews mention “Sleep Quality”
14%of negative reviews mention “Sleep Quality”
0.1%of orders come back
“still cant sleep”
A buyer, on “Sleep Quality”14% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

16 topics

NegativePositive

FAQ

Common Zma questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data