---
title: "Magnesium for Sleep — $27K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/magnesium-for-sleep"
last_updated: "2026-08-12T16:25:28.107Z"
locale: en
meta:
description: "Amazon product research for magnesium for sleep: $27K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for magnesium for sleep: $27K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Magnesium for Sleep — $27K/mo Amazon US Product Research"
---
# **Magnesium for Sleep**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 52Growth 19Conversion 89Competition 0Returns 100Price range 76Avg price 83Brand share 0Review moat 25Quality gap 32
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.5%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$18.13**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$11.55–$26.13**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$320K**
$320K/yr · 168K searches
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****4,055.8**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-12.9%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
## **Is magnesium for sleep profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, magnesium for sleep is a $320K/yr Amazon United States market (168K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Feb–Mar–Aug–Sep–Oct–Dec. Verdict: Skip it — 42/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magnesium for sleep market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **20K–25K**
- avg 4,000–5,000/product
- **Revenue / yr**
- **$363K–$453K**
- units × avg price
- **Conversion rate**
- **10.5%**
- **Avg BSR**
- **#228**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **80%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **45 months**
- **Avg seller age**
- **155 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **—flat
**Sellers**
**581**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- OLLY70% - Natural Rhythm19% - NOW Foods11%
## **magnesium for sleep demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -12.9% search growth over the last 90 days.
40K30KSpike '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: Feb, Mar, Aug, Sep, Oct, Dec · busiest ÷ quietest = 7.5×
[**Open Trend **](https://flapen.com/research/us/health-household/magnesium-for-sleep/trend)
## **Top magnesium for sleep search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **olly magnesium gummies**49K/yr-8.9%12.2% conv. - **magnesium inositol**23K/yr-46.4%2.6% conv. - **olly magnesium**16K/yr-9.3%8.1% conv. - **olly relaxing magnesium gummies**12K/yr-1.7%16.2% conv. - **triple calm magnesium**14K/yr-8.7%11.1% conv. - **magnesium relax**9K/yr-1.8%0.9% conv. - **magnesio inositol**10K/yr-3.0%1.7% conv. - **relaxing magnesium**7K/yr-21.3%9.1% conv. - **natural rhythm triple calm magnesium**5K/yr+18.6%15.2% conv. - **magnesium olly**5K/yr-20.6%12.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/magnesium-for-sleep/search-terms)
## **Top magnesium for sleep products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$48K30%$96K45%$144K60%$192K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 5 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**OLLY Relaxing Magnesium Gummies Supports Muscle Relaxation* Magnesium Citrate Raspberry Lavender Flavor 15 Day Supply - 60 Count**OLLY**$13.13**4.6★1,550 rev](https://www.amazon.com/dp/B0DNRJCM7P) [2**OLLY Relaxing Magnesium Gummies Supports Muscle Relaxation * Magnesium Citrate Raspberry Lavender Flavored 30 Day Supply - 120 Count**OLLY**$26.13**4.6★1,550 rev](https://www.amazon.com/dp/B0FK1833JY) [3**Natural Rhythm Triple Calm Magnesium Complex - 120 Capsules Chelated Magnesium Glycinate Taurate & Malate High Absorption Supplement for Sleep Stress Muscle & Heart Support Non-GMO Vegan**Natural Rhythm**$21.41**4.6★10,945 rev](https://www.amazon.com/dp/B01GW4V7MC) [4**NOW Foods Supplements powder Magnesium Inositol Relax Nervous System Support* Fizzy Lemonade Flavor 16-Ounce**NOW Foods**$18.43**4.6★550 rev](https://www.amazon.com/dp/B06XX9J6NH) [5**OLLY Kids Chillax Gummy For a Calm and Relaxed Mood* Magnesium L-Theanine Lemon Balm Extract Chewable Supplement Sherbet Flavored 25 Day Supply - 50 Count (Packaging May Vary)**OLLY**$11.55**4.4★5,684 rev](https://www.amazon.com/dp/B09CBPP1BN)
### **Newest**
by launch date
[**OLLY Relaxing Magnesium Gummies Supports Muscle Relaxation * Magnesium Citrate Raspberry Lavender Flavored 30 Day Supply - 120 Count**OLLY**$26.13**1,550 rev11mo ago](https://www.amazon.com/dp/B0FK1833JY) [**OLLY Relaxing Magnesium Gummies Supports Muscle Relaxation* Magnesium Citrate Raspberry Lavender Flavor 15 Day Supply - 60 Count**OLLY**$13.13**1,550 rev1y ago](https://www.amazon.com/dp/B0DNRJCM7P) [**OLLY Kids Chillax Gummy For a Calm and Relaxed Mood* Magnesium L-Theanine Lemon Balm Extract Chewable Supplement Sherbet Flavored 25 Day Supply - 50 Count (Packaging May Vary)**OLLY**$11.55**5,684 rev4y ago](https://www.amazon.com/dp/B09CBPP1BN) [**NOW Foods Supplements powder Magnesium Inositol Relax Nervous System Support* Fizzy Lemonade Flavor 16-Ounce**NOW Foods**$18.43**550 rev9y ago](https://www.amazon.com/dp/B06XX9J6NH) [**Natural Rhythm Triple Calm Magnesium Complex - 120 Capsules Chelated Magnesium Glycinate Taurate & Malate High Absorption Supplement for Sleep Stress Muscle & Heart Support Non-GMO Vegan**Natural Rhythm**$21.41**10,945 rev10y ago](https://www.amazon.com/dp/B01GW4V7MC)
### **Trending**
90-day click momentum
[**OLLY Relaxing Magnesium Gummies Supports Muscle Relaxation * Magnesium Citrate Raspberry Lavender Flavored 30 Day Supply - 120 Count**OLLY**$26.13**4.6★**▲ 72%**](https://www.amazon.com/dp/B0FK1833JY) [**NOW Foods Supplements powder Magnesium Inositol Relax Nervous System Support* Fizzy Lemonade Flavor 16-Ounce**NOW Foods**$18.43**4.6★**— 7%**](https://www.amazon.com/dp/B06XX9J6NH) [**OLLY Relaxing Magnesium Gummies Supports Muscle Relaxation* Magnesium Citrate Raspberry Lavender Flavor 15 Day Supply - 60 Count**OLLY**$13.13**4.6★**▼ 10%**](https://www.amazon.com/dp/B0DNRJCM7P) [**Natural Rhythm Triple Calm Magnesium Complex - 120 Capsules Chelated Magnesium Glycinate Taurate & Malate High Absorption Supplement for Sleep Stress Muscle & Heart Support Non-GMO Vegan**Natural Rhythm**$21.41**4.6★**▼ 11%**](https://www.amazon.com/dp/B01GW4V7MC) [**OLLY Kids Chillax Gummy For a Calm and Relaxed Mood* Magnesium L-Theanine Lemon Balm Extract Chewable Supplement Sherbet Flavored 25 Day Supply - 50 Count (Packaging May Vary)**OLLY**$11.55**4.4★**▼ 33%**](https://www.amazon.com/dp/B09CBPP1BN)
## **What reviews say buyers love and hate about magnesium for sleep**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**24%
*“Helps with sleep”*
**Quality-Overall**13%
*“consistent quality”*
**Magnesium**11%
*“These gummies are a nice way to get more magnesium in my diet”*
**Efficiency**6%
*“Effective”*
**Soothing Effect**4%
*“also very calming”*
**Taste-Overall**4%
*“These gummies taste good”*
**Muscle Pain Relief**4%
*“Felt like muscles relaxed”*
**Stress/Anxiety**4%
*“Helps anxiety”*
**Vitamin**4%
*“Great vitamin supplement”*
**Advertised Vs Actual Product**3%
*“Works as advertised”*
### **What buyers complain about **
**Functionality-Overall**10%
*“Didnt work”*
**Sleep Quality**9%
*“Not meant for sleep”*
**Taste-Overall**7%
*“Not the best taste for kids”*
**Magnesium**7%
*“Does not contain magnesium glycinate”*
**Acid Regulator/Stomach Ache Relief**6%
*“Stomach pain”*
**Quality-Overall**4%
*“Filled with crap”*
**Advertised Vs Actual Product**3%
*“I think this is tricky and misleading”*
**Flavor**3%
*“problem is the flavor”*
**Heart Health**3%
*“dropped my heart rate too low when using”*
**Regulates Digestion**2%
*“I actually found that it gave me stomach cramps”*
### **Top return reasons **
**Value For Money**29%
**Taste-Overall**14%
**Joint Pain**14%
**Sweetness**14%
**Magnesium**14%
**Age Suitability**14%
## **Common magnesium for sleep questions**
- **Is magnesium for sleep profitable to sell on Amazon United States?**
- The niche generates $320K/yr across 5 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -12.9%. Flapen's verdict: Skip it (42/100).
- **How competitive is the magnesium for sleep niche?**
- 3 brands and 581 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in magnesium for sleep?**
- Top complaints mined from reviews: Functionality-Overall, Sleep Quality, Taste-Overall. The return rate is 0.0%.
- **When does demand for magnesium for sleep peak?**
- Demand peaks in Feb–Mar–Aug–Sep–Oct–Dec; the busiest month runs 7.5× the quietest.
- **What does it cost to enter the magnesium for sleep niche?**
- Listings span $11.55–$26.13; the average listing price is $18.13 (sweet spot $15–$100). The average incumbent carries 4,056 reviews — the moat a new listing must climb.
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