---
title: "zma — Niche Verdict: Worth a look (58/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/zma"
last_updated: "2026-07-13T22:32:50.578Z"
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meta:
  description: "zma shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:description": "zma shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:title": "zma — Niche Verdict: Worth a look (58/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **zma**

**Worth a look**

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 89Growth 18Conversion 96Competition 29Returns 100Price range 80Avg price 95Brand share 44Review moat 34Quality gap 33

**Returns**

**Incredible****0.0%**

return rate — above 6% kills the launch gate

**Conversion**

**Incredible****13.2%**

search→purchase rate — share of searches ending in a sale

**Avg price**

**Incredible****$23.03**

avg listing price — sweet spot $15–$100

**Market size**

**Great****$1.7M**

$1.7M/yr · 553K searches

**Price range**

**Great****$9.96–$37.49**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Brand share**

**Okay****79%**

top-5 brand share — brands hold most of the demand

**Review moat**

**Okay****3,072.13**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Competition**

**Okay****68%**

top-5 click share — leaders hold, buyers still browse

**Growth**

**Bad****-14.4%**

90-day search growth — must beat 0% to launch

## **Competition**

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**11 **—flat

**Sellers**

**34**

**Top-5 brand share**

**79%**

**Open market**

**14%**

- Optimum Nutrition20% - Nutricost20% - NOW Foods16% - Primaforce14% - SNAC9% - Double Wood Supplements7% - Open — no brand owns it (5 brands, 14%)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$84K10%$168K15%$252K20%$336K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Nutricost ZMA 180 Capsules - Non-GMO and Gluten Free ZMA Supplement](https://m.media-amazon.com/images/I/41zA5xdagZL.jpg)**Nutricost ZMA 180 Capsules - Non-GMO and Gluten Free ZMA Supplement**Nutricost**$24.51**4.7★1,340 rev](https://www.amazon.com/dp/B01NCMN6WL) [2![Optimum Nutrition Muscle Recovery and Endurance Supplement for Men and Women Zinc and Magnesium Supplement 180 Count](https://m.media-amazon.com/images/I/41QSuDDAvEL.jpg)**Optimum Nutrition Muscle Recovery and Endurance Supplement for Men and Women Zinc and Magnesium Supplement 180 Count**Optimum Nutrition**$34.77**4.6★12,623 rev](https://www.amazon.com/dp/B000GIQS02) [3![Primaforce ZMA Dietary Supplement 180 Capsules](https://m.media-amazon.com/images/I/41z6cKLiLBL.jpg)**Primaforce ZMA Dietary Supplement 180 Capsules**Primaforce**$22.63**4.6★1,704 rev](https://www.amazon.com/dp/B00MKSLYW8) [4![NOW Foods Sports Nutrition ZMA (Zinc Magnesium and Vitamin B-6) Enhanced Absorption Sports Recovery* 180 Capsules](https://m.media-amazon.com/images/I/41II7W+pG-L.jpg)**NOW Foods Sports Nutrition ZMA (Zinc Magnesium and Vitamin B-6) Enhanced Absorption Sports Recovery* 180 Capsules**NOW Foods**$24.52**4.6★2,834 rev](https://www.amazon.com/dp/B001LXMUW6) [5![ZMA Supplement for Men and Women (Over 100% Daily Value of Zinc Magnesium Aspartate Vitamin B6) 501mg 90 Capsules for Restfulness and Active Lifestyle Support by Double Wood Supplements](https://m.media-amazon.com/images/I/31zdX5nSmwL.jpg)**ZMA Supplement for Men and Women (Over 100% Daily Value of Zinc Magnesium Aspartate Vitamin B6) 501mg 90 Capsules for Restfulness and Active Lifestyle Support by Double Wood Supplements**Double Wood Supplements**$9.96**4.6★121 rev](https://www.amazon.com/dp/B0FNNHQ9CS)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![ZMA Supplement for Men and Women (Over 100% Daily Value of Zinc Magnesium Aspartate Vitamin B6) 501mg 90 Capsules for Restfulness and Active Lifestyle Support by Double Wood Supplements](https://m.media-amazon.com/images/I/31zdX5nSmwL.jpg)**ZMA Supplement for Men and Women (Over 100% Daily Value of Zinc Magnesium Aspartate Vitamin B6) 501mg 90 Capsules for Restfulness and Active Lifestyle Support by Double Wood Supplements**Double Wood Supplements**$9.96**121 rev10mo ago](https://www.amazon.com/dp/B0FNNHQ9CS) [![NutraBio ZMA Supplements for Men & Women- Zinc Magnesium Supplements to Support Hormone Levels -Sleep- Muscle Recovery-Immune Health 90 Count](https://m.media-amazon.com/images/I/31PGH0Bg-lL.jpg)**NutraBio ZMA Supplements for Men & Women- Zinc Magnesium Supplements to Support Hormone Levels -Sleep- Muscle Recovery-Immune Health 90 Count**NutraBio**$22.02**676 rev7y ago](https://www.amazon.com/dp/B07GNVC99M) [![EVL Post Workout Recovery Supplement - Magnesium and Zinc - ZMatrix Zinc Magnesium Aspartate Muscle Recovery Supplement for Sleep Support and Muscle Health](https://m.media-amazon.com/images/I/419DoyCQe3L.jpg)**EVL Post Workout Recovery Supplement - Magnesium and Zinc - ZMatrix Zinc Magnesium Aspartate Muscle Recovery Supplement for Sleep Support and Muscle Health**Evlution**$26.15**1,961 rev7y ago](https://www.amazon.com/dp/B07FPRWQB5) [![SNAC ZMA The Original Sleep Recovery Supplement - 90 Capsules Pack of 2](https://m.media-amazon.com/images/I/41zobUHeuhL.jpg)**SNAC ZMA The Original Sleep Recovery Supplement - 90 Capsules Pack of 2**SNAC**$26.41**1,997 rev9y ago](https://www.amazon.com/dp/B01NBYQNZC) [![Nutricost ZMA 180 Capsules - Non-GMO and Gluten Free ZMA Supplement](https://m.media-amazon.com/images/I/41zA5xdagZL.jpg)**Nutricost ZMA 180 Capsules - Non-GMO and Gluten Free ZMA Supplement**Nutricost**$24.51**1,340 rev9y ago](https://www.amazon.com/dp/B01NCMN6WL)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![ZMA Supplement for Men and Women (Over 100% Daily Value of Zinc Magnesium Aspartate Vitamin B6) 501mg 90 Capsules for Restfulness and Active Lifestyle Support by Double Wood Supplements](https://m.media-amazon.com/images/I/31zdX5nSmwL.jpg)**ZMA Supplement for Men and Women (Over 100% Daily Value of Zinc Magnesium Aspartate Vitamin B6) 501mg 90 Capsules for Restfulness and Active Lifestyle Support by Double Wood Supplements**Double Wood Supplements**$9.96**4.6★**▲ 64%**](https://www.amazon.com/dp/B0FNNHQ9CS) [![Optimum Nutrition Muscle Recovery and Endurance Supplement for Men and Women Zinc and Magnesium Supplement 90 Count](https://m.media-amazon.com/images/I/41Vskxa64ZL.jpg)**Optimum Nutrition Muscle Recovery and Endurance Supplement for Men and Women Zinc and Magnesium Supplement 90 Count**Optimum Nutrition**$22.47**4.6★**▲ 30%**](https://www.amazon.com/dp/B002DYIZF8) [![Primaforce ZMA Dietary Supplement 180 Capsules](https://m.media-amazon.com/images/I/41z6cKLiLBL.jpg)**Primaforce ZMA Dietary Supplement 180 Capsules**Primaforce**$22.63**4.6★**▲ 28%**](https://www.amazon.com/dp/B00MKSLYW8) [![NOW Foods Sports Nutrition ZMA (Zinc Magnesium and Vitamin B-6) Enhanced Absorption Sports Recovery* 90 Capsules](https://m.media-amazon.com/images/I/41Qomwxpp3L.jpg)**NOW Foods Sports Nutrition ZMA (Zinc Magnesium and Vitamin B-6) Enhanced Absorption Sports Recovery* 90 Capsules**NOW Foods**$16.68**4.5★**▲ 28%**](https://www.amazon.com/dp/B0013OZGQ0) [![Nutricost ZMA 180 Capsules - Non-GMO and Gluten Free ZMA Supplement](https://m.media-amazon.com/images/I/41zA5xdagZL.jpg)**Nutricost ZMA 180 Capsules - Non-GMO and Gluten Free ZMA Supplement**Nutricost**$24.51**4.7★**▲ 16%**](https://www.amazon.com/dp/B01NCMN6WL)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -14.4% search growth over the last 90 days.

18K13KPrime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Sleep Quality**28%

*“Helps with sleep”*

**Quality-Overall**16%

*“Great quality supplement”*

**Advertised Vs Actual Product**10%

*“As advertised”*

**Value For Money**7%

*“Price is good too”*

**Efficiency**7%

*“this one is by far the best and most effective”*

**Vitamin**3%

*“The supplement worked well”*

**Muscle Pain Relief**3%

*“Helps with muscle recovery and sleep”*

**Strength**3%

*“Effective”*

**Magnesium**3%

*“Best magnesium/zinc supplement Ive used”*

**Energy Level**2%

*“I see how it makes me feel I see if I notice any changes energy etc”*

### **What buyers complain about **

**Sleep Quality**25%

*“doesnt help sleep”*

**Side Effects**13%

*“After a week, every day following ZMA supplementation has left me feeling extremely tired, sluggish, groggy, and lethargic”*

**Ingredients-Overall**6%

*“I suppose if you are severely missing any of the 3 ingredients it could help some”*

**Vitamin**6%

*“I'm wary about supplements”*

**Functionality-Overall**6%

*“Efficacy may vary”*

**Charging**6%

*“Wrong packaging and charge”*

**Dosage**5%

*“Would love more if the dosage was two capsules instead of three”*

**Magnesium**3%

*“Also I have experienced strange dreams from the magnesium”*

**Advertised Vs Actual Product**3%

*“Wrong graphic for the product image”*

**Ease Of Use**1%

*“hard to swallow”*

### **Top return reasons **

**Functionality-Overall**33%

**Value For Money**33%

**Moist/Dry**17%

**Sleep Quality**17%